TIFR

Conferences, Workshops and Schools

Upcoming

Name Date Venue
The First:"TIFR-BARC Interaction Meeting On Astronomy-2017" November 11, 2017 TIFR, Mumbai, India
Workshop on "X-ray emission from Seyfert galaxies" December, 2017 IUCAA-TIFR, Pune, India
Workshop on "Hard X-ray polarization from Black hole binaries" February-March, 2018 PRL-TIFR, Ahmedabad, India
Conference on “Broadband X-ray spectral and timing studies in Astrosat era” January 4-6, 2018 TIFR, Mumbai, India
"Multi-wavelength Neutron Star Astronomy workshop and Pulsar Astronomy with GMRT bootcamp” January, 2018 BITS, Hyderabad, India

Past

Name Date Venue
"Workshop on Gamma-ray bursts: prompt to afterglow" July 4 - 7, 2017 NCRA-TIFR, Pune, India
"Data analysis and LAXPC science" January 18-21, 2017 TIFR, Mumbai, India
DAA Annual Interaction Meeting (DAIM-2017) January 16-17, 2017 TIFR, Mumbai, India
Wide Band Spectral and Timing Studies of Cosmic X-ray Sources January 10 - 13, 2017 TIFR, Mumbai, India
IX International Conference on Oriental Astronomy November 14 - 19, 2016, Indian Institute of Science Education and Research (IISER), Pune, India
Jet Triggering Mechanisms in Black Hole Sources January 20 - 23, 2016 TIFR, Mumbai, India
DAA Annual Interaction Meeting (DAIM-2016) January 18 - 19, 2016 TIFR, Mumbai, India
Timing & Spectroscopy: Wideband X-Ray Astronomy January 12 - 14, 2016 Balloon Facility-TIFR, Hyderabad, India
Advances In Seismology: A Dialogue Across Disciplines December 7 - 11, 2015 TIFR, Mumbai, India
Second Mumbai Area Physics Meet March 28, 2015 TIFR, Mumbai
Science with LAXPC/ASTROSAT December 15 - 17, 2014 Balloon Facility, Hyderabad
Workshop on "Current trends in Near Infrared Astronomy in India" November 25 - 27, 2014 Balloon Facility, Hyderabad
Winter School on Solar and Stellar Astrophysics November 3 - 7, 2014 Tata Institute of Fundamental Research (TIFR), Mumbai
Conference  on Hard X-ray Astronomy: Astrosat and Beyond September 24 - 26, 2014 International Centre, Goa
Accretion onto Black Holes September 5 - 7, 2013 International Centre, Goa
IAUS 296: Supernova environmental impacts January 7 - 11, 2013 Raichak (near kolkata), West Bengal
Winter School on Astronomical and Cosmological Surveys December 10 - 17, 2012 TIFR, Mumbai
7th International Conference on Gravitation and Cosmology December 14 - 19, 2011 Goa, India
1st TIFR Winter School on Astronomy & Astrophysics December 7 - 23, 2009 TIFR, Mumbai
Interstellar Matter and Star Formation-A Multi-Wavelength Perspective October 5 - 7, 2009 TIFR-NBF, Hyderabad
ICTS-TIFR program on: Cosmology with the CMB and LSS July 21 - 31, 2008 IUCAA, Pune
Supernovae & Gamma-Ray Bursts at low z & in the Era of Reionization May 23 - 29, 2008 Darjeeling, West Bengal, India
Workshop and discussion meeting on black holes, spacetime singularities and cosmic censorship March 3 - 10, 2006 TIFR, Mumbai
COSPAR Colloquium on "Spectra and Timing of Accreting X-ray Binaries January 17 - 21, 2005
Workshop on Supernovae, Gamma Ray Bursts and Pulsars January 19 - 23, 2004
1st ASTROSAT workshop on Pulsar Astrophysics February 11 to 17, 2002 TIFR, Mumbai
The Multi Colour Universe September 11 to 14, 2001 TIFR, Mumbai

DAIM Presentations

2016

Topic Speaker Date
Large Area X-ray Proportional Counter (LAXPC): performance in orbit & Wideband X-Ray Astronomy Prof. J.S. Yadav January 18, 2016, Monday at 10.35 hrs
In-orbit performance of the Ultra-Violet Imaging Telescope Prof. S.K. Ghosh January 18, 2016, Monday at 10.55 hrs
Globular Clusters as Cradles of Life and Advanced Civilizations* Prof. A.K. Ray January 19, 2016, Tuesday at 12.00 hrs
Stellar Structure and Evolution using Asteroseismology Kuldeep Verma January 19, 2016, Tuesday at 09.30 hrs
Ground-based NIR instrumentation & Episodic accretion in protoplanetary discs J. P. Ninan January 18, 2016, Monday at 15.00 hrs
The Lorentz factor of steady Microquasars; A case study of Cygnus X-1 Debdutta Paul January 18, 2016, Monday at 12.30 hrs

Seminars

2017

Topic Speaker Date
Observational Evidence of Two Component Advective Flows Around Black Holes From The Analysis of Satellite Data Mr.Md Aslam Ali Molla, Indian Centre for Space Physics (ICSP), Kolkata, India October 31, 2017, Tuesday at 16.00 hrs
Insights into Binary Stars, Stellar Winds, and Astrophysical Plasmas from X-ray Observations of Planetary Nebulae Dr.Rodolfo Montez Jr., Smithsonian Astrophysical Observatory Chandra X-ray Center, USA October 20, 2017, Friday at 11.30 hrs
Cosmology in the low redshift universe Dr. Vimal Simha, Centre for Extragalactic Theory, University of Western Cape, South Africa October 13, 2017, Friday at 11.30 hrs
Magnetic activities on low-mass stars and X-ray binaries Mr.Subhajeet Karmakar, ARIES, Nainital, India, October 10, 2017, Tuesday at 16.00 hrs
Exploring the Gravitational Universe with LIGO and Torsion-Balance Experiments Dr. Krishna Venkateswara, University of Washington, Seattle, USA September 25, 2017, Monday at 16.00 hrs
Studies of Galactic Star Forming Regions & related Instrumentation Dr. Neha Sharma, Aryabhatta Research Institute of Observational Sciences (ARIES), Uttarakhand September 15, 2017, Friday at 11.00 hrs
Information Field Theory: The logic of perception, applied to Astrophysics Prof. Torsten Ensslin, MP Institute of Astrophysics, Munich, Germany September 12, 2017, Tuesday at 16.00 hrs
Cosmological horizon and quadrupole formula in de Sitter background Sk Jahanur Hoque, Institute of Mathematical Science, Chennai September 7, 2017, Thursday at 16.00 hrs
Blackboard Discussion Session On Gamma-ray bursts: radiation physics Prof. Pawan Kumar, Department of Astronomy, University of Texas, Austin, USA June 30, 2017, Friday at 11.00 hrs
The nature of relativistic jets produced when a star falls into a blackhole Prof. Pawan Kumar, Department of Astronomy, University of Texas, Austin, USA June 29, 2017, Thursday at 16.00 hrs
Gamma-ray Bursts in the Fermi Era Prof. Pawan Kumar, Department of Astronomy, University of Texas, Austin, USA June 27, 2017, Tuesday at 16.00 hrs
The observation of binary black hole coalescence events by Advanced LIGO Dr. Badri Krishnan, The Albert Einsten Institute, Hannover, Germany) May 23, 2017, Tuesday at 16.00 hrs
Journey of Binary Black Holes: From Supercomputers to LIGO to Universe Dr. Karan Jani, Georgia Institute of Technology, USA May 16, 2017, Tuesday at 16.00 hrs
Testing CDM on small scales: Search for Satellites around Dwarf Galaxies Ms.Ragadeepika Pucha, Steward Observatory, Univ. of Arizona, USA. May 9, 2017, Tuesday at 16.00 hrs
Black Hole Accretion: From X-ray binaries to Quasars Mr.Shubhrangshu Ghosh, Dept. of Physics, BOSE Institute, Kolkata April 28, 2017, Friday at 11.00 hrs
Are astrophysical black holes described by the Kerr metric? Dr. Sourabh Nampalliwar, Fudan university, Shanghai April 27, 2017, Thursday at 14.30 hrs
Wormholes, energy conditions, and modified gravity Mr. Rajibul Shaikh, IIT Kharagpur April 25, 2017, Tuesday at 16.00 hrs
Automatic Analysis Tools for Stellar Parametrization and Classification Mr. Kaushal Sharma, Department of Physics & Astrophysics, University of Delhi, April 21, 2017, Friday at 11.00 hrs
Luminosity function of long Gamma Ray Bursts Mr. Debdutta Paul, DAA - TIFR, Mumbai April 11, 2017, Tuesday at 14.30 hrs
Helioseismic kernels to infer large scale flows in the Sun Mr. Krishnendu Mandal, DAA - TIFR, Mumbai April 10, 2017, Monday at 16.00 hrs
Can there be bounce in Weakly Broken Galileon (WBG) theories? Ms. Shreya Banerjee, DAA - TIFR, Mumbai April 4, 2017, Tuesday at 16.00 hrs
Imaging subsurface profiles of solar supergranules Mr. Jishnu Bhattacharya, DAA - TIFR, Mumbai April 3, 2017, Monday at 16.00 hrs
Prediction of Solar Flares Using Machine Learning Mr. Dattaraj Dhuri, DAA - TIFR, Mumbai March 27, 2017, Monday at 16.00 hrs
ALMA reveals molecular cloud N55 in the Large Magellanic Cloud as a site of massive star formation Dr. Naslim Neelamkodan, ALMA Regional Center, NAOJ, Japan March 24, 2017, Friday at 11.30 hrs
Study of Spectro-Temporal behaviour in X-ray binaries with AstroSat/LAXPC Mr. Jai Verdhan Chauhan, DAA - TIFR, Mumbai March 23, 2017, Thursday at 14.30 hrs
Fluctuating gravitational field as an explanation for quantum decoherence: its implication and detection Ms. Sayantani Bera, DAA - TIFR, Mumbai March 21, 2017, Tuesday at 16.00 hrs
Gyroscope precession as an indicator of a Kerr horizons Mr. Prashant K, DAA - TIFR, Mumbai March 14, 2017, Tuesday at 16.00 hrs
Understanding the Nature of the First Stars Dr. Girish Kulkarni, Institute of Astronomy and Kavli Institute of Cosmology Cambridge University of Cambridge, UK February 21, 2017, Tuesday at 16.00 hrs
Revealing 13 Billion Years of Thermal Evolution of the Universe Dr. Girish Kulkarni, Institute of Astronomy and Kavli Institute of Cosmology Cambridge University of Cambridge, UK February 20, 2017, Monday at 16.00 hrs
Did a Low-Mass Supernova Trigger the Formation of the Solar System? Clues from Stable Isotopes and 10Be Dr. Projjwal Banerjee, Center for Astronomy and Astrophysics, Shanghai Jiao Tong University, China February 7, 2017, Tuesday at 16.00 hrs
The gas mass and star formation rate of star-forming galaxies at z∼1 Dr. Nissim Kanekar, NCRA-TIFR, Pune January 17, 2017, Tuesday at 14.30 hrs
Quasar evolution and outflows in X-ray Dr. Sibasish Laha, Queen's University, UK January 9, 2017, Monday at 16.00 hrs
General Physical Properties of Blazars Dr. Vaidehi S. Paliya, Clemson University, USA January 4, 2017, Wednesday at 11.30 hrs
The curious case of an old, accreting T Tauri binary system and a new probe for accretion in Herbig Ae/Be stars Dr. Blesson Mathew, DAA - TIFR, Mumbai January 3, 2017, Tuesday at 16.00 hrs

2016

Topic Speaker Date
Understanding the Extraordinary Diversity of Exoplanets Dr. Sourav Chatterjee, University of Florida, USA. December 20, 2016, Tuesday at 11.30 hrs
Star Cluster Dynamics and Merging Black Hole Binaries Dr. Sourav Chatterjee, University of Florida, USA. December 19, 2016, Monday at 11.30 hrs
Understanding physical conditions using spectral synthesis code CLOUDY Dr. Gargi Shaw, Centre for Excellence in Basic Sciences, Mumbai. December 16, 2016, Monday at 11.30 hrs
Accretion-jet coupling across the mass scale: from white-dwarfs to super-massive black holes Dr. Kunal Mooley, University of Oxford Department of Physics, UK. November 28, 2016, Monday at 16.00 hrs
Magneto centrifugal winds from accretion discs around black hole binaries Susmita Chakravorty, Indian Institute of Science, Bangalore. November 22, 2016, Monday at 16.00 hrs
The interconnection between an accreting black hole and its environment Susmita Chakravorty, Indian Institute of Science, Bangalore. November 21, 2016, Monday at 16.00 hrs
The BRITE satellite constellation Dr. Greg Stachowski, Pedagogical University of Krakow, Poland. November 7, 2016, Wednesday at 16.00 hrs
High-resolution spectroscopy study of stars with PARAS Mr. Bari Maqbool, University of Kashmir, Srinagar. November 4, 2016, Friday at 11.30 hrs
Time-domain and Spectral Studies of Fermi-LAT Blazars -- Optical Observations from South Africa-based telescopes and gamma rays Dr. Richard J. Britto, University of the Free State, South Africa. November 3, 2016, Thursday at 11.30 hrs
High-resolution spectroscopy study of stars with PARAS Dr. Priyanka Chaturvedi, Physical Research Laboratory, Ahmedabad. October 26, 2016, Wednesday at 14.30 hrs
The Spectral and Variability Characteristics of Blazars and Future with AstroSat Dr. Sunil Chandra, DAA - TIFR, Mumbai. October 4, 2016, Tuesday at 16.00 hrs
Missing baryons traced by the galaxy luminosity density in the large-scale WHIM filaments Dr. Jukka Nevalainen,Tartu Observatory, Estonia. September 23, 2016, Friday at 14.30 hrs
Dark Energy Survey: Dark matter and Baryons Dr. Vinu Vikraman, Argonne National Laboratory, USA. September 20, 2016, Tuesday at 16.00 hrs
Early Science results from Dark Energy Survey Dr. Vinu Vikraman, Argonne National Laboratory, USA. September 19, 2016, Monday at 16.00 hrs
Rotation and Magnetism in Magnetohydrodynamics Simulations of Stellar Convection Zones Dr. Bidya Binay Karak, High Altitude Observatory, Boulder, USA September 9, 2016, Friday at 11.30 hrs
Solar Magnetic Fields and Cycles:Understanding the Dynamo Mechanism Dr. Bidya Binay Karak, High Altitude Observatory, Boulder, USA September 8, 2016, Thursday at 16.00 hrs
Disk Fragmentation During Primordial Star Formation Dr. Jayanta Dutta, IISER, Mohali September 6, 2016, Tuesday at 16.00 hrs
Near-infrared Astronomical Instrumentation at TIFR Dr. Joe Philip Ninan, Department of Astronomy & Astrophysics, TIFR September 2, 2016, Friday at 11.30 hrs
Understanding Episodic Accretion and Outflows in Young Stellar Objects Dr. Joe Philip Ninan, Department of Astronomy & Astrophysics, TIFR September 1, 2016, Thursday at 16.00 hrs
Spin Dynamics in General Relativity Dr. Satish Kumar Saravanan,Leiden University and National Institute for Subatomic Physics, The Netherlands) August 30, 2016, Tuesday at 16.00 hrs
Implications of Conformal Symmetry in Cosmology Dr. Gopal Kashyap, IIT - Kanpur August 2, 2016, Tuesday at 16.00 hrs
The effect of frame-dragging (i) in Kerr naked singularities and (ii) on accretion discs around the rotating compact objects Dr. Chandrachur Chakraborty, DAA - TIFR, Mumbai July 12, 2016, Tuesday at 16.00 hrs
Missing metals and baryons in galaxies: Clues from our Milky Way Dr. Anjali Gupta, Ohio State University, USA July 11, 2016, Tuesday at 16.00 hrs
Spin 1/2 quantum fields in cosmological backgrounds Dr. Suman Ghosh, DAA - TIFR, Mumbai July 5, 2016, Tuesday at 16.00 hrs
Supermassive Black Holes in the Cosmic Web Prof. Suchetna Chatterjee, Presidency University, Kolkatta June 21, 2016, Tuesday at 16.00 hrs
A quest for young and energetic pulsars in the SMC: The case of IKT 16 & AX J0043-737 Ms. Chandreyee Maitra, CEA, France June 14, 2016, Tuesday at 16.00 hrs
Quantum Discord-A tool for differentiating between possible solutions to Quantum Measurement Problem (in Laboratory and in Cosmic Microwave Background) Ms. Shreya Banerjee, DAA - TIFR, Mumbai April 25, 2016, Monday at 16.00 hrs
Constraining the jet parameters of gamma ray bursts (GRBs) Mr. Vikas Chand, DAA - TIFR, Mumbai April 19, 2016, Tuesday at 16.00 hrs
Strategies in seismic inference of supergranular flows on the Sun Mr. Jishnu Bhattacharya, DAA – TIFR, Mumbai April 18, 2016, Monday at 14.30 hrs
Lord of the Rings-Return of the King:The Dust Scattering Halo of V404 Cygni Dr. A. Beardmore,University of Leicester, Leicester, UK April 15, 2016, Friday at 14.30 hrs
Modelling inpiraling binaries of compact objects by means of the post-Newtonian approximation: status and challenges Dr. Guillaume Faye, Institute of astrophysics (IAP), Paris, France April 12, 2016, Tuesday at 16.00 hrs
Constraints on Fourth Order Gravity from Binary Pulsars and Gravitational waves Ms. Sayantani Bera, DAA, TIFR, Mumbai April 11, 2016, Monday at 16.00 hrs
Light Scattering and Extinction Properties of Dust Grains in Interstellar and Interplanetary Medium Dr. Nisha Katyal, Jawaharlal Nehru University, New Delhi March 29, 2016, Tuesday at 14.30 hrs
Study of X-ray binary transients with ASTROSAT Dr. Nirmal Kumar Iyer, ISRO Satellite Centre, Bangalore March 22, 2016, Tuesday at 16.00 hrs
Small-scale Structure of the IGM and its Measurement Using Quasar Pairs Dr. Girish Kulkarni, Institute of Astronomy and Kavli Institute of Cosmology Cambridge, University of Cambridge, U.K. March 15, 2016, Tuesday at 16.00 hrs
Star formation out of the Magnetised Interstellar Medium Prof. Robi Banerjee, Hamburger Sternwarte, University of Hamburg, Germany March 11, 2016, Friday at 14.30 hrs
Hierarchical and Bayesian methods for data analysis Dr. Rahul Shetty, Institute of Theoretical Astrophysics, University of Heidelberg, Heidelberg, Germany. March 9, 2016, Wednesday at 11.30 hrs
Diffuse molecular gas and variations in star formation scaling relationships in local galaxies Dr. Rahul Shetty, Institute of Theoretical Astrophysics, University of Heidelberg, Heidelberg, Germany. March 8, 2016, Tuesday at 16.00 hrs
Aspects of TIRSPEC near-infrared spectral library Dr. Tapas Baug, DAA - TIFR. February 26, 2016, Friday at 11.30 hrs
From interstellar dust to filaments-Key results from Herschel Gould Belt Sirvey Dr. Arabindo Roy, CEA, Saclay, Paris. February 23, 2016, Tuesday at 16.00 hrs
Spectroscopy of the Heavens Dr. Thomas Giesen, University of Kassel, Germany. February 16, 2016, Tuesday at 16.00 hrs
Hard X-ray View of Ultraluminous X-ray Sources and Cataclysmic Variables with NuSTAR Dr. Vikram R. Rana, Space Radiation Laboratory, California Institute of Technology, Pasadena, USA. February 3, 2016, Wednesday at 11.30 hrs
NuSTAR - The First Focusing High Energy X-ray Mission in Orbit Dr. Vikram R. Rana, Space Radiation Laboratory, California Institute of Technology, Pasadena, USA. February 2, 2016, Tuesday at 16.00 hrs
Gravitational radiation captures of two black holes Prof. Gungwon Kang, KISTI, South Korea February 1, 2016, Tuesday at 16.00 hrs
Probing the Universe with QSO absorption lines Prof. Raghunathan Srianand, IUCAA, Pune, India January 19, 2016, Tuesday at 16.00 hrs
Is a Maunder like “Grand” Solar Minimum around the Corner? Prof. Janardhan P., Physical Research Laboratory, Ahmedabad. January 18, 2016, Monday at 16.00 hrs

2015

Topic Speaker Date
Recent Trends in Adaptive Optics Techniques Kalyan Kumar, Max Planck Institute for Astronomy (MPIA), Heidelberg, Germany December 18, 2015, Friday at 14.30 hrs
All sky searches for gravitational waves from rotating neutron stars in LIGO and Virgo data Prof. Andrzej Królak,IMPAN (The Institute of Mathematics,The Polish Academy of Sciences), Poland December 15, 2015 Tuesday at 16.00 hrs
The Submillimeter Array and the Greenland Telescope Dr. Nimesh A. Patel, Harvard-Smithsonian Center for Astrophysics, USA December 1, 2015, Tuesday at 16.00 hrs
The Phenomenal 2015 Outburst of the Black-Hole X-ray Binary, V404 Cyg Dr Kunal Mooley, Oxford Centre for Astrophysical Surveys UK November 30, 2015 Monday at 16.00 hrs
GR@ : A brief account of the discovery of the general theory of relativity Prof. T.P. Singh, DAA - TIFR November 23, 2015, Tuesday 16:00 hrs
Low Frequency view of merging galaxy clusters Dr. M. PANDEY-POMMIER Observatoire de Lyon, France November 20, 2015 Friday at 14.30 hrs
Ready-to-use GW templates for coalescing compact binaries in eccentric orbits Dr. Maria Haney, DAA - TIFR November 17, 2015 Tuesday at 16.00 hrs
Photospheric emission in gamma-ray burst observations by Fermi gamma ray space telescope Dr. Shabnam Iyyani, KTH Royal Institute of Technology, Stockholm, Sweden November 3, 2015 Tuesday at 16.00 hrs
Study Of Early-Type Emission-Line Stars In Different Evolutionary Phases Dr. Blesson Mathew, Swinburne University, Hawthorn, Australia October 29, 2015 Thursday at 11.30 hrs
On the characterization of multi-wavelength flaring activity in Blazars; a case of historical flare in S5 0716+714 Dr. Sunil Chandra, DAA - TIFR September 22, 2015 Tuesday at 16.00 hrs
On the Origin of Quiescent Neutron Star Emission in Low-Mass X-ray Binaries Prof. Deepto Chakrabarty, Massachusetts Institute of Technology, USA August 11, 2015 Tuesday at 16.00 hrs,
A multi-scale, multi-wavelength study of massive star-forming region W42 Dr. Lokesh Kumar Dewangan (National Institute for Astrophysics, Optics and Electronics (INAOE), Mexico) July 28, 2015 Tuesday at 16.00 hrs,
AGN feedback mechanism in cool-core cluster galaxies Dr. Nilkanth Vagshette (IUCAA - Pune July 21, 2015 Tuesday at 16.00 hrs,
Interior dynamics of neutral and charged black holes Dr. Jun-Qi Guo (DAA - TIFR) July 14, 2015 Tuesday at 16.00 hrs,
Strong lens modelling and the properties of dark matter Simon Birrer (Institute of Astronomy, ETH Zurich, Switzerland) July 13, 2015 Tuesday at 16.00 hrs,
Photospheric emission in gamma-ray burst observations by Fermi gamma ray space telescope Ms. Shabnam Iyyani (Department of Physics, KTH Royal Institute of Technology, Stockholm, Sweden) July 9, 2015 Thursday at 16.00 hrs,
Studies of massive star forming regions at infrared wavelengths Dr. Watson P. Varricatt (United Kingdom Infrared Telescope, Hawaii, USA) July 7, 2015 Tuesday at 16.00 hrs,
Evolution and Instability of Bondi Accretion Dr. Arnab Kumar Ray (Jaypee University of Engineering & Tech. Madhya Pradesh), June 30, Tuesday at 16.00 hrs,
Understanding Disk-Jet coupling in Black hole transients Dr. Thushara Pillai & Prof. Jens Kauffmann, (Max-Planck-Institute for Radioastronomy, Bonn, Germany) June 16, Tuesday at 16.00 hrs,
Understanding Disk-Jet coupling in Black hole transients Ms. Radhika D, (ISRO Satellite Centre (ISAC), Bangalore ) May 22, Friday at 14.30 hrs,
Investigating formation stage of black holes: nucleosynthesis and mass-spin correlation Dr. Indrani Banerjee, (Indian Institute of Science (IISc),A Bangalore) May 15, Friday at 14.30 hrs,
Relativistic Hydrodynamic Fluctuations in Heavy-Ion Collisions Mr. Mayank Singh, (Centre for Excellence in Basic Sciences, Mumbai) May 12, Tuesday at 16.00 hrs,
What drives episodic accretion in young low-mass stars? Mr. Joe Philip Ninan (DAA - TIFR) April 28, 2015 Tuesday at 16.00 hrs,
Fermi Bubbles: the biggest shock in the sky Prof. Biman Nath (Raman Research Institute, Bangalore) April 21, 2015 Tuesday at 16.00 hrs,
Lense-Thirring precession in strong gravitational fields Mr. Chandrachur Chakraborty (Saha Institute of Nuclear Physics, Kolkata) April 20, 2015 Monday at 16.00 hrs,
On the creation of spin 1/2 particles and adiabatic renormalization in FLRW spacetimes Dr. Suman Ghosh (S. N. Bose National Centre for Basic Sciences, Kolkata April 14, 2015 Tuesday at 16.00 hrs,
Inflationary perturbations, quantum theory and modified gravity Ms. Shreya Banerjee (DAA - TIFR) April 13, 2015 Tuesday at 16.00 hrs,
Measuring the temperature of the high-redshift intergalactic medium Ms. Hamsa Padmanabhan, (IUCAA, Pune) April 7, 2015 Tuesday at 16.00 hrs,
Wavefunction collapse in modified Quantum Theory, Role of gravity and Possibility of Experimental Verification Ms. Sayantani Bera (DAA - TIFR) April 6, 2015 Monday at 16.30 hrs,
Imaging sub-photospheric structure of sunspots through seismology Mr. Jishnu Bhattacharya (DAA - TIFR) March 31, 2015 Tuesday at 16.00 hrs,
Jet launching and hadronic processes in blazars Prof. Andrzej A. Zdziarski, (N. Copernicus Astronomical Center, Poland) March 30, 2015 Poland at 14.30 hrs,
A Theoretical Study of Acoustic Glitches in Low-Mass Main-Sequence Stars Mr. Kuldeep Verma (DAA - TIFR) March 24, 2015 Tuesday at 16.00 hrs,
Time-domain Astronomy with Gravitational Waves Prof. Sukanta Bose, (IUCAA, Pune) March 10, 2015 Tuesday at 16.00 hrs,
Photometric and Spectroscopic capability of TIRSPEC: A case study on Sh2-138 SFR Dr. Tapas Baug, (DAA - TIFR) March 3, 2015 Tuesday at 16.00 hrs,
Formation of molecules and dust grains in core-collapse supernovae Dr. Arkaprabha Sarangi (Max-Planck Institute for Astrophysics, Garching, Germany) March 2, 2015 Monday at 11.30 hrs,
Exact interior solutions for perfect fluids in Einstein–Gauss–Bonnet gravity Dr. Sudan Hansraj, (School of Mathematical Sciences University of KwaZulu Natal, Durban South Africa) January 6, 2015 Tuesday at 16.00 hrs,

2014

Topic Speaker Date
Spinor description of material fields and its role in Cosmology Dr. Bijan Saha, (Joint Institute for Nuclear Research, Dubna, Russia) December 2, 2014 Tuesday at 16.00 hrs,
Two Component Advective Disks - A reality checky Prof. Sandip K. Chakrabarti, (SNBNCBS, Kolkata) November 28, 2014 Friday at 11.30 hrs,
The Southern African Large Telescope: from concept to reality Dr. David Buckley, (Director, Science Progams, SALT, South Africa) November 25, 2014 Tuesday at 16.00 hrs,
The disk-outflow system in the S255IR area of high mass star formation and major scientific drivers for the Millimetron space telescope Prof. Igor Zinchenko (Russian Academy of Sciences, Russia) November 12, 2014 Wednesday at 16.00 hrs,
Radio-FIR correlation in blue-cloud galaxies with Z Dr. Yogesh Wadadekar (NCRA, TIFR, Pune ) November 11, 2014 Tuesday at 16.00 hrs,
Ready-to-use search templates for gravitational waves from compact binaries in inspiraling eccentric orbits Dr. Maria Haney (DAA - TIFR) October 27, 2014, Monday at 16.00 hrs,
Mixing in magnetized turbulent media Dr. Sharanya Sur (Arizona State University, USA) October 10, 2014, Friday at 11.30 hrs,
Astrophysical magnetic fields and dynamos Dr. Sharanya Sur (Arizona State University, USA) October 9, 2014, Thursday at 14.30 hrs,
Stellar coronal characterisation Dr. Lalitha Sairam (DAA - TIFR) October 7, 2014, Tuesday at 14.30 hrs,
“CubeWATCH” - an all sky monitor for a microsatellite” Prof. Niels Lund (Emeritus Scientist, DTU Space, Denmark) September 30, 2014, Tuesday at 16.00 hrs
The extended ROentgen Survey with an Imaging Telescope Array: eROSITA Prof. Vadim Burwitz (MPI für extraterrestrische Physik, Germany) September 22, 2014, Monday at 11.30 hrs
Some Conceptual Problems in General Relativity and Cosmology Prof. J. V. Narlikar (Emeritus Professor, IUCAA, Pune) August 27, 2014, Thursday at 11.30 hrs
Non-linear Density-velocity relation from phase space dynamics Dr. Sharvari Nadkarni-Ghosh (IIT, Kanpur) August 26, 2014, Tuesday at 16.00 hrs
Electromagnetic Signatures from Supermassive Black Hole Binaries Prof. Zoltan Haiman (Columbia University, USA) August 14, 2014, Thursday at 11.30 hrs
Imaging X-ray Optics: Fabrication and Analysis Ms. Vinita S. Navalkar (DAA - TIFR, Mumbai) August 12, 2014, Tuesday at 16.00 hrs
Modelling resonant wave dynamics in rotating atmospheres Dr. Amrik Sen (University of Colorado, Boulder, USA) August 11, 2014, Monday at 10.30 hrs
Multi-wavelength Variability in Blazars Mr. Sunil Chandra (Physical Research Laboratory, Ahmedabad) August 08, 2014, Friday at 11.30 hrs
Frontiers in Geophysics Dr. Dirk Smit (Vice President of Shell exploration) July 09, 2014, Wednesday at 14.30 hrs
Late time cosmic acceleration and modified theories of gravity Prof. Mohammad Sami (Centre for Theoretical Physics, Jamia Millia Islamia) July 01, 2014, Tuesday at 16.00 hrs
IGR J17091-3624:Studying the GRS 1915+105 clone with ASTROSAT Dr. Diego Altamirano (University of Southampton) June 04, 2014, Wednesday at 14.30 hrs
Asteroseismic estimate of helium abundance of a solar analog binary system Mr. Kuldeep Verma (DAA - TIFR) April 22, 2014, Tuesday at 16.00 hrs
Gamma-ray Flares of PKS 1222+216: Implications on Emission and Particle Acceleration processes Pankaj Kushwaha (DAA - TIFR) April 21, 2014, Monday at 16.00 hrs
TIFR Near Infrared Instrumentation : Study of young low mass outburst sources Mr. Joe Philip Ninan (DAA - TIFR) April 16, 2014, Wednesday at 11.30 hrs
Detecting Isolated Black Holes through Astrometric Microlensing Using HST Dr. Kailash C Sahu (Space Telescope Science Institute, Baltimore, USA) April 15, 2014, Tuesday at 16.00 hrs
Understanding the Milky Way Globular Clusters Dr. Sourav Chatterjee (University of Florida, USA) April 10, 2014, Thursday at 16.00 hrs
Spherical collapse in f(R) gravity and BKL conjecture Mr.Jun-Qi Guo (Simon Fraser University, Canada) April 9, 2014, Wednesday at 10.00 hrs
NGC 7538 Young Stellar Clusters: Study of Substellar Mass Function and a Morphological Analysis Kshitiz Kumar Mallick (DAA - TIFR) April 8, 2014, Tuesday at 16.00 hrs
Gaia Photometric Science Alerts Dr. Guy Rixon (University of Cambridge, U.K.) April 7, 2014, Monday at 16.00 hrs
AKARI infrared view of Active Galactic Nuclei Dr. Shinki OYABU (Nagoya University, Japan) March 11, 2014, Tuesday at 16.00 hrs
Herschel strongly lensed submillimeter galaxies. H2O,a new diagnosis of their dense cores Prof. Alain Omont (Institut d'Astrophysique de Paris, France) February 24, 2014, Tuesday at 16.00 hrs
The Extended GMRT Radio Halo Survey and the follow up of Planck clusters with the GMRT Dr. Ruta Kale (University of Bologna, Italy) February 24, 2014, Tuesday at 11.30 hrs
Magnetic fields during primordial star formation and turbulent mixing Dr. Sharanya Sur (Arizona State University, USA) February 4, 2014, Tuesday at 16.00 hrs
Interpreting the sub-linear Kennicutt-Schmidt Relationship: The case for diffuse molecular gas Dr. Rahul Shetty (Institute for Theoretical Astrophysics, Germany) January 28, 2014, Tuesday at 1600 hrs
Astrophysics with a Soft X-ray Polarimeter Prof. Herman Marshall (Massachusetts Institute of Technology, USA) January 14, 2014, Tuesday at 1600 hrs
Outflows from Young Stellar Objects : MHD, Radiation and Chemistry Dr. Bhargav Vaidya (University of Leeds, UK ) January 13, 2014, Monday at 1600 hrs
Can we predict sunspot cycles? Prof. Arnab Rai Choudhuri (Indian Institute of Science, Bangalore) January 6, 2014, Monday at 1600 hrs

2013

Topic Speaker Date
ESA Rosetta Mission: towards deciphering complex organics on comets Mr. Chaitanya Giri (M. P. Institute for Solar System Research, Germany) December 24, 2013, Tuesday at 1600 hrs
Gravitational Astronomy with Laser Interferometers:The Next 10 Years and Beyond Prof. B.S. Satyaprakash (Cardiff University, U.K.) December 12, 2013, Thursday at 1600 hrs
Structure of the W40 cloud and small-scale clumpiness in high-mass star-forming regions Dr. Lev Pirogov (Institute of Applied physics RAS, Russia) November 26, 2013, Tuesday at 1600 hrs
Lunar occultation study of late type giants Dr. Tapas Baug (Physical Research Laboratory, Ahmedabad) November 21, 2013, Thursday at 1130 hrs
Radiation Rayleigh-Taylor Instabilities in High Mass Star Formation Dr. M. S. Nanda Kumar (Centro de Astrofisica da Universidade do Porto, Portugal) November 12, 2013, Tuesday at 1600 hrs
The non-linearity of the Cepheid Period-Luminosity relation Prof. Sashi Kanbur (State University of New York, USA) November 5, 2013, Tuesday at 1600 hrs
Ultraviolet Studies of the Large Magellanic Cloud using GALEX observations Dr. A.C. Pradhan (DAA - TIFR) October 28, 2013, Monday at 1600 hrs
Higgs Inflation in f (\phi,R) Dr. Naveen Kumar Singh (Physical Research Laboratory, Ahmedabad) October 22, 2013, Tuesday at 1600 hrs
Near Infrared Studies of Novae Dr. Ashish Raj (Physical Research Laboratory, Ahmedabad) September 24, 2013, Tuesday at 1600 hrs
The Dark Energy Survey : Status Report Early Science Results Dr. Shantanu Desai (Ludwig-Maximilians-University, Germany) September 3, 2013, Tuesday at 1600 hrs
A high-energy investigation of activity on potential planet hosts Dr. Lalitha Sairam (University of Hamburg, Germany) July 23, 2013, Tuesday at 1600 hrs
Discovery of relativistic outflows in Seyfert galaxies Prof. Smita Mathur (The Ohio State University, USA) July 15, 2013, Monday at 1600 hrs
A General Relativistic understanding of a Dark Matter dominated galaxy via Bertrand SpacetimeTest particles and electromagnetic fields in exact gravitational wave spacetimes Prof. Kaushik Bhattacharya (IIT, Kanpur) July 09, 2013, Tuesday at 1600 hrs
Test particles and electromagnetic fields in exact gravitational wave spacetimes Ms. Maria Haney (The Sapienza University of Rome and ICRANet) June 20, 2013, Thursday at 1630 hrs
CSL as a plausible mechanism for quantum to classical transition of primordial perturbations Dr. Suratna Das (DAA - TIFR) May 28, 2013, Tuesday at 1600 hrs
Prompt emission of GRBs Rupak Basak (DAA - TIFR) May 9, 2013, Thursday at 1600 hrs
Noise Kernel for Self Similar Tolman Bondi metric:Fluctuations on Cauchy Horizon Dr. Seema Satin (DAA - TIFR) May 7, 2013, Tuesday at 1100 hrs
Lensing as a probe of Gravitation and Cosmology Satyabrata Sahu (DAA - TIFR) May 6, 2013, Monday at 1100 hrs
Probing Neutron Star LMXBs Using Bursts and QPOs Ms. Manoneeta Chakraborty (DAA - TIFR) May 3, 2013, Tuesday at 1100 hrs
Radio Observations of a nearby Type IIP SN 2012aw Naveen Yadav (DAA - TIFR) April 23, 2013, Tuesday at 1600 hrs
Dynamics of a sample of 14 clusters of galaxies using X-ray and/or Radio observations Kiran Lakhchaura (DAA - TIFR) April 16, 2013, Tuesday at 1600 hrs
Redshift-drift as a discriminator between different cosmological models Priti Mishra (DAA - TIFR) April 9, 2013, Tuesday at 1100 hrs
Short Distance Freedom of Quantum Gravity Dr. Gaurav Narain (IMSc, Chennai) April 4, 2013, Thursday at 1100 hrs
The clustering of collapsed objects: an Excursion Set approach Dr. Aseem Paranjape (ETH Zuerich, Switzerland) April 3, 2013, Wednesday at 1100 hrs
Understanding star formation activity in Galactic H II regions Mr. Kshitiz Mallick (DAA - TIFR) April 1, 2013, Monday at 1130 hrs
Probing the benefits of a new approach for constructing templates for spinning compact binaries Ms. Anuradha Gupta (DAA - TIFR) March 26, 2013, Tuesday at 1600 hrs
High Energy Emission Processes and Parsec Scale Environment of OJ 287 Mr. Pankaj Kushwaha (DAA - TIFR) March 22, 2013, Friday at 1430 hrs
The XMM-Newton Survey of the Small Magellanic Cloud Prof. David Buckley (SALT - Director) March 19, 2013, Tuesday at 1600 hrs
Understanding the outbursts in young low mass stars Mr. Joe Philip Ninan (DAA - TIFR) March 18, 2013, Monday at 1430 hrs
First Science with the SALT Prof. David Buckley (SALT - Director) February 26, 2013, Tuesday at 1600 hrs
Accurate and efficient GW phasing for spinning compact binaries Dr. Achamveedu Gopakumar (DAA - TIFR) February 12, 2013, Tuesday at 1600 hrs
Constraints on dark energy and modified gravity models from CFHTLenS weak lensing Dr. Martin Kilbinger (CEA Saclay, France) February 8, 2013, Friday at 1130 hrs
The Puzzle of Isolated Neutron Stars Dr. Atish Kamble (Harvard-Smithsonian Center for Astrophysics, USA) February 5, 2013, Tuesday at 1600 hrs
Multiwavelength study of TeV blazars Mrk 421 and Mrk 501 Mr. Amit Shukla (Indian Institute of Astrophysics, Bangalore) February 1, 2013, Friday at 1100 hrs
Magnetars:Kinematics, ages and birth places Mr. Shriharsh Tendulkar (California Institute of Technology, USA) January 29, 2013, Tuesday at 1600 hrs
Solar Magneto-Seismology: A Novel Insight Prof. R. Erdelyi (The University of Sheffield, UK) January 28, 2013, Monday at 1130 hrs
Infrared Spectroscopy of Protostars with Spitzer Herschel: Probing the earliest stages of stellar birth Dr. Manoj Puravankara (University of Rochester, USA) January 23, 2013, Wednesday at 1100 hrs
X-Ray emission from SN 2004dj: A Tale of Two Shocks Dr. Sayan Chakraborti (Harvard University, USA) January 22, 2013, Tuesday at 1600 hrs
New developments in inhomogeneous cosmology with exact solutions of General Relativity Prof. Marie-Noelle Celerier (LUTH, Meudon, France) January 15, 2013, Tuesday at 1600 hrs
Darkness of Dark Matter Prof. Dharam Vir Singh Ahluwalia (University of Canterbury, New Zealand) January 8, 2013, Tuesday at 1130 hrs
Seismic imaging of the power spectrum of turbulent convection in the solar interior Dr. Shravan Hanasoge (Princeton University, USA) January 3, 2013, Thursday at 1100 hrs

2012

Topic Speaker Date
Thermodynamic stability for AGN and XRB winds Dr. Susmita Chakravarti (Harvard University, USA) December 18, 2012, Tuesday at 1130 hrs
Einstein-Cartan Theory as an Averaged Theory of Gravity Prof. Juliane C. Behrend (University of Utrecht, Netherlands) November 27, 2012, Monday at 1600 hrs
Secular evolution and structure of disk galaxies: impact of dark matter halos Dr. Kanak Saha (MPI for Extraterrestrial Physics, Germany) November 21, 2012, Wednesday at 1130 hrs
History of Astronomy and Astrophysics at TIFR Prof. Ravi Manchanda (DAA - TIFR) November 20, 2012, Tuesday at 1600 hrs
The baryonic halo of the Milky Way Prof. Smita Mathur (The Ohio State University, USA) November 20, 2012, Tuesday at 1130 hrs
Using massive neutron stars to constrain dense matter Equation of State Dr. Debarati Chatterjee ( Frankfurt Institute of Advanced Studies, Germany ) September 6, 2012, Thursday at 1600 hrs
Nature of the long X-ray periods from ultraluminous X-ray sources: Orbital or superorbital? Dheeraj Reddy ( University of Maryland, USA ) August 14, 2012, Tuesday at 1600 hrs
Outflows from galaxies Prof. Biman Nath (Raman Research Institute) July 24, 2012, Tuesday at 1600 hrs
Probing early phases of high-mass star formation Prof. Jagadheep D. Pandian (IIST, Thiruvananthapuram) July 17, 2012,Tuesday at 1600 hrs
Decoding black hole variability Dr. Phil Uttley ( University of Amsterdam ) July 11, 2012, Wednesday at 1130 hrs
Constraining CSL model from standard cosmology and spectral distortions of CMBR Suratna Das (DAA-TIFR) May 22, 2012, Tuesday at 1600 hrs
The Nuclear Spectroscopic Telescope Array (NuSTAR) V.R. Rana (Space Radiation Lab, Caltech, USA) May 21, 2012, Monday at 1600 hrs
Local and non-local features in the primordial power spectrum and associated bi-spectra Dhiraj Kumar Hazra (Harish-Chandra Research Institute, Allahabad) May 10, 2012, Thursday at 1600 hrs
Radio and X-ray emission from core-collapse supernovae Naveen Yadav (DAA-TIFR) May 8, 2012, Tuesday at 1600 hrs
X-ray and radio study of bimodal cluster of galaxies A3395 and an interacting cluster pair A3532-A3530 Kiran Lakhchaura (DAA-TIFR) May 4, 2012, Friday at 1430 hrs
Gravitational lensing in the strong field limit Satyabrata Sahu (DAA-TIFR) May 1, 2012, Tuesday at 1600 hrs
Different States of a BL Lac object, OJ 287, during a flare in 2009 Pankaj Kushwaha (DAA-TIFR) April 30, 2012, Monday at 1615 hrs
Canonical entropy of Black-Holes in LQG spectra Kinjalk Lochan (DAA-TIFR) April 17, 2012, Tuesday at 1600 hrs
Thermonuclear X-ray Bursts and Burst Oscillations from Accreting LMXBs Manoneeta Chakraborty (DAA-TIFR) April 16, 2012, Monday at 1615 hrs
Can spin of the massive black hole in inspiralling black hole binaries flip? Anuradha Gupta (DAA-TIFR) April 10, 2012, Tuesday at 1600 hrs
Pulse spectral evolution of classical long GRBs Rupal Basak (DAA-TIFR) April 9, 2012, Monday at 1615 hrs
Inhomogeneous Cosmological Models and the Redshift-drift Test Priti Mishra (DAA-TIFR) April 3, 2012, Tuesday at 1600 hrs
Ultrahigh energy particle collisions in curved spacetimes Mandar Patil (DAA-TIFR ) April 2, 2012, Monday at 1615 hrs
Study of the magnetic Rayleigh-Taylor instability in solar quiescent prominences Dr. Andrew Hillier (Kyoto Univeristy, Japan) March 1, 2012, Thursday at 1130 hrs
Gravitational wave astrophysics with pulsar timing arrays Vikram Ravi (University of Melbourne, Australia) February 17, 2012, Friday at 1130 hrs
AGN Variability at High Energies Prof. I. M. McHardy (University of Southampton, UK) January 12, 2012, Thursday at 1430 hrs
Surveying the transient X-ray sky with INTEGRAL Prof. A.J. Bird (University of Southampton, UK) January 11, 2012, Wednesday at 1430 hrs
What do large scale in homogeneities imply for cosmology? Prof. Marie-Noelle Celerier (Observatoire de Paris-Meudon, France) January 10, 2012, Tuesday at 1600 hrs
Probing Circumstellar Chemistry with the Submillimeter Array Dr. Nimesh Patel (Harvard-Smithsonian Center for Astrophysics, USA) January 3, 2012, Tuesday at 1430 hrs

2011

Topic Speaker Date
A new probe of dark matter Prof.Sukanya Chakrabarti (Florida Atlantic University, USA) December 28, 2011, Wednesday at 1130 hrs
Cosmology from small scales to the horizon: relativistic effects in structure formation Prof. Marco Bruni (University of Portsmouth, UK) November 29, 2011, Tuesday at 1600 hrs
Galaxy-Dark Matter Connection: A cosmological perspective Surhud More (University of Chicago, USA) November 29, 2011, Tuesday at 1100 a.m.
Investigating the group-scale lenses with the SL2S-Arcs sample Dr. Anupreeta More (University of Chicago, USA) November 28, 2011, Monday at 1600 hrs
Structure and properties of high mass star forming regions on various scales Prof. Igor Zinchenko ( Russian Academy of Sciences, Russia ) November 15, 2011, Tuesday at 1600 hrs
Observational understanding of accretion flow in Black Hole X-ray Binaries Mayukh Pahari (DAA-TIFR) October 19, 2011, Tuesday at 1430 hrs
Vertical Structure of Disk Galaxies & their Dark Matter Halos forming regions Arunima Banerjee (Indian Institute of Science, Bangalore) October 18, 2011, Tuesday at 1600 hrs
X-ray and gamma-ray emission from jets in black-hole binaries Prof. A.A. Zdziarski (N. Copernicus Astronomical Center, Warsaw, Poland) October 15, 2011, Tuesday at 1600 hrs
Evolution of the ionization state of the intergalactic medium through observations of QSO metal line absorption systems Prof. Alec Boksenberg, (University of Cambridge, UK) October 11, 2011, Tuesday at 1530 hrs
Infrared study of Galactic massive star forming regions Dr. Lokesh Dewangan (Physical Research Laboratory, Ahmedabad) October 4, 2011, Tuesday at 1600 hrs
Aspects of triggered star-formation Sumedh Anathpindika (Indian Institute of Astrophysics, Bangalore) September 27, 2011, Tuesday at 1600 hrs
Probing the Bullet Cluster with the Sunyaev-Zel'dovich effect Dr. Siddharth Savyasachi Malu (Raman Research Institute, Bangalore) September 20, 2011, Tuesday at 1600 hrs
Eclectic Science from Multiwavelength Studies of Globular Clusters Dr. Arunav Kundu (Eureka Scientific, USA) September 13, 2011, Tuesday at 1745 hrs
NuSTAR: Unveiling the Hard X-ray Universe Mr. Varun Bhalerao (Calteh, USA) September 6, 2011, Tuesday at 1600 hrs
Understanding galaxies in clusters using modified Stroemgren photometry Dr. Yuvraj Harsha Sreedhar ( University of Vienna, Austria ) 30 August, 2011, Tuesday at 1600 hrs
Gas and Dust in the Magellanic Clouds Dr. A. C. Pradhan (Indian Institute of Astrophysics, Bangalore) 2 August, 2011, Tuesday at 1600 hrs
The AGN/X-Ray Binary Connection Dr. Ritaban Chatterjee (Yale University, USA) 29 July, 2011, Friday at 1130 hrs
Cosmological Evolution of Supermassive Black Holes Suchetana Chatterjee ( Yale University, USA ) 28 July, 2011, Thursday at 1600 hrs
Bok Globules: simple sites of low mass star formation in our Galaxy Dr. Maheswar Gopinathan (ARIES, Nainital) 19 July, 2011, Tuesday at 1600 hrs
Dynamical evolution of a low mass classical bulge in barred galaxies Dr. Kanak Saha (Max-Planck-Institute for Extraterrestrial physics, Garching, Germany) 1 July, 2011, Friday at 1430 hrs
Isolated horizons: formalism and applications Ayan Chatterjee (IMSc, Chennai) 10 June, 2011, Friday at 1130 hrs
Blazars at GeV/TeV energies Sunder Sahayanathan (Astrophysical Sciences Division, BARC-Mumbai ) 7 June, 2011, Tuesday at 1600 hrs
Gravitational collapse of perfect fluids: A review of Outstanding Problems and Recent Results Dr. Daniele Malafarina (DAA-TIFR ) 24 May, 2011 Tuesday at 1600 hrs
Star formation activity in the vicinity of Galactic H II regions Manash Ranjan Samal ( ARIES, Nainital ) 10 May, 2011 Tuesday at 1600 hrs
The Globular Cluster-Low Mass X-Ray Binary Connection and its Implications Arunav Kundu (Eureka Scientific Inc, USA) 28 April, 2011, Thursday at 16.00 hrs
Strong Lensing, Compact Objects and Dark Energy Satyabrata Sahu (DAA-TIFR) 26 April, 2011, Tuesday at 16.00 hrs
Extension of Trace dynamics to background space-time Kinjalk Lochan (DAA-TIFR) 25 April, 2011, Monday at 16.00 hrs
The universal pressure profile of galaxy clusters and cluster physics Anya Chaudhuri (DAA-TIFR) 19 April, 2011, Tuesday at 16.00 hrs
Massless scalar fields in Gravitation theory Swastik Bhattacharya (DAA-TIFR ) 18 April, 2011, Monday at 16.00 hrs
Naked singularities as particle accelerators Mandar Patil (DAA-TIFR) 12 April, 2011, Tuesday at 16.00 hrs
Study of X-ray timing of a neutron star low mass X-ray binary Arunava Mukherjee (DAA-TIFR) 29 March, 2011, Tuesday at 11.00 hrs
Gravitational Lensing by Compact Objects in the Galactic Center: Can we exclude or detect a boson star? Dr. Amitai Bin-Nun (University of Pennsylvania, USA) 17 March, 2011, Tuesday at 10.30 hrs
Quantum field theoretic effects with modified dispersion relations Dr. Shailesh Kulkarni (Harish-Chandra Research Institute, Allahabad) 15 March, 2011, Tuesday at 16.00 hrs
Non-Gaussianity as a signature of thermal initial condition of inflation Ms. Suratna Das (Physical Research Laboratory, Ahmedabad ) 22 February, 2011, Tuesday at 16.00 hrs
Dynamics of Intermediate Mass Black Holes in Star Clusters and Galactic Nuclei Prof.Holger Baumgardt (University of Queensland, Australia ) 14 February, 2011, Monday at 16.00 hrs
India's participation in the Thirty Metre Telescope (TMT) Project Prof. A.N. Ramprakash (IUCAA, Pune ) 8 February, 2011, Tuesday at 16.00 hrs
The Southern African Large Telescope (SALT) Prof. David Buckley ( South African Astronomical Observatory, South Africa ) 21 January, 2011, Friday at 11.30 hrs
The Restless Universe (Palomar Transient Factory) Prof. S.R. Kulkarni (Director, California Institute of Technology, USA) 5 January, 2011, Tuesday at 14.30 hrs
Large scale structure and first-passage problems Dr. Aseem Paranjape ( ICTP, Trieste, Italy ) 4 January, 2011, Tuesday at 16.00 hrs

2010

Topic Speaker Date
Gamma Ray Bursts and Blazars Dr. Resmi L (DAA-TIFR ) 7 December, 2010, Tuesday at 16.00 hrs
The Primordial Lithium Problem: Can nuclear resonances rescue the Standard Model? Dr. Nachiketa Chakraborty (University of Illinois, USA ) 22 November, 2010, Monday at 16.00 hrs
High Energy Sky:Progress in Gamma Ray Astronomy Dr. P.R.Vishwanath (Indian Institute of Astrophysics, Bangalore ) 30 November, 2010, Tuesday at 16.00 hrs
X-ray Timing of Compact Stars: Recent Progress and Future Opportunities Prof. Deepto Chakrabarty (Massachusetts Institute of Technology, USA ) 16 November,2010, Tuesday at 16.00 hrs
Spitzer-IRAC study of massive star forming regions Dr. Lokesh Dewangan (Physical Research Laboratory, Ahmedabad ) 12 October, 2010, Tuesday at 16.00 hrs
Binary-pulsar tests of theories of gravity Dr. Ramesh Bhat (Swinburne University of Technology, Australia, USA ) 30 August, 2010, Monday at 16.00 hrs
AGN Feedback: Does it work? Prof. Smita Mathur (Dept. of Astronomy, Ohio State Univ, USA) 12 August, 2010, Thursday at 12.00 hrs
Scientific Imaging Sensors Dr. James Beletic (Director, Astronomy & Civil Space, Teledyne Imaging Sensors, USA ) 29 July, 2010, Thursday at 14.30 hrs
Black hole vs. Naked singularity formation in gravitational collapse with pressure Dr. Daniele Malafarina ( DAA-TIFR ) 20 July, 2010, Tuesday at 16.00 hrs
The Palomar Transient Factory Ms. Mansi M. Kasliwal (California Institute of Technology, USA ) 29 June, 2010, Tuesday at 16.00 hrs
The GRAMS AGB Models -- Calculating the Mass-Loss Return to the LMC from SED Fits to Spitzer SAGE Data Dr. Sundar Srinivasan (Institut d'Astrophysique de Paris, France ) 15 June, 2010, Tuesday at 16.00 hrs
Macroscopic Gravity and Cosmology Prof. Roustam Zalaletdinov (Uzbek Academy of Sciences, Uzbekistan ) 8 June, 2010, Tuesday at 16.00 hrs
Negative pressure Isothermal Spheres in General Relativity Satyabrata Sahu (DAA-TIFR ) 27 April, 2010, Tuesday at 16.00 hrs
More out of cluster surveys Satej Khedekar (DAA-TIFR ) 20 April, 2010, Tuesday at 16.00 hrs
Dynamics of self-similar massless scalar fields in general relativity. Mandar Patil (DAA-TIFR ) 13 April, 2010, Tuesday at 16.00 hrs
Accretion-powered millisecond X-ray pulsars: 12 years of discoveries Dr. Diego Altamirano (University of Amsterdam) 12 April, 2010, Monday at 11.30 hrs
Dynamical massless scalar fields in collapse and cosmology Swastik Bhattacharya (DAA-TIFR) 5 April, 2010, Monday at 16.15 hrs
SZ Scaling Relations and High-z Point Sources in the Context of SZ Surveys Anya Chaudhuri (DAA-TIFR) 30 March, 2010, Tuesday at 16.00 hrs
Understanding the luminosity function of High mass X-ray binaries Harshal Bhadkamkar (DAA-TIFR) 23 March, 2010, Tuesday at 16.00 hrs
Study of X-ray timing and continuum spectra of a neutron star low mass X-ray binary Arunava Mukherjee (DAA-TIFR) 9 March, 2010, Tuesday at 14.30 hrs
The Theory of Comptonisation Prof. Malcolm Longair (University of Cambridge, U.K.) 6 March, 2010, Saturday at 14.30 hrs
The physics of compact sources of all types-radio to ultrahigh energy gamma rays Prof. Malcolm Longair ( University of Cambridge, U.K.) 5 March, 2010, Friday at 14.30 hrs
Particle acceleration in different cosmic environments Prof. Malcolm Longair (University of Cambridge, U.K.) 4 March, 2010, Thursday at 14.30 hrs
Feedback from Supernovae: Tous pour un, un pour tous Sayan Chakraborti (DAA-TIFR ) 2 March, 2010, Tuesday at 16.00 hrs
New Results from a Recently Refurbished Hubble Space Telescope Prof. John Stocke (University of Colorado at Boulder, USA ) 2 March, 2010, Tuesday at 11.30 hrs
Probing a Stochastic Gravitational Wave Background using a Network of Laser Interferometric Detectors Dr. Sanjit Mitra (California Institute of Technology, USA ) 23 February, 2010, Tuesday at 16.00 hrs
Analysis Challenges in Scanning CMB Missions: Beam Asymmetry Dr. Sanjit Mitra ( California Institute of Technology, USA ) 22 February, 2010, Monday at 16.00 hrs
Hawking radiation, anomalies, and vacuum states Dr. Shailesh Kulkarni (Harish Chandra Research Institute, Allahabad ) 16 February, 2010, Tuesday at 16.00 hrs
The mm-wave sky at high resolution: recent results from the South Pole Telescope Prof Gilbert Holder (McGill University, USA ) 11 February, 2010, Thursday at 16.00 hrs
The No-hair theorem of black holes and the binary black hole system OJ287 Prof. Mauri Valtonen (University of Turku, Finland) 21 January, 2010, Thursday at 11.30 hrs
A review of H.E.S.S. results Prof. Michal Ostrowski (Jagiellonian University, Poland) 19 January, 2010, Tuesday at 11.30 hrs

2009

Topic Speaker Date
The Diffuse Intergalactic Oxygen Surveyor (DIOS) mission Prof. Y. Tawara (EcoTopia Science Institute and Dept of Physics, Nagoya University, Nagoya, Japan) 8 December, 2009, Tuesday at 16.00 hrs
Probing the high redshift universe with hyperfine transitions Prof. Jasjeet Singh Bagla (Harish-chandra Research Institute, Allahabad ) 1 December, 2009, Tuesday at 16.00 hrs
Simulating weak lensing of CMB maps Dr. Soumen Basak (Institut d'Astrophysique de Paris, France) 24 November, 2009, Tuesday at 16.00 hrs
Driving cosmic inflation on a bumpy road Dr. Golam M. Hossain ( Observatoire de Besancon, France ) 19 November, 2009, Thursday at 11.30 hrs
Stellar populations in the central 200 pc of the Galaxy Dr. Mathias Schultheis (Observatoire de Besancon, France) 10 November, 2009, Tuesday at 16.00 hrs
Ultra high energy particles and cosmic ray electrons/positrons, from massive star explosions Prof. Peter L. Biermann (MPIfR Bonn, Univ. Bonn, KIT Karlsruhe, UA Tuscaloosa, UA Huntsville ) 27 October, 2009, Tuesday at 16.00 hrs
Cosmological Inflation and Dark Energy Dr. Tapan Naskar (The Indian Association for Cultivation of Science, Kolkata) 26 October, 2009, Monday at 16.00 hrs
Star formation in High Redshift Galaxies Prof. Bruce Elmegreen (IBM Watson Research Center, NY, USA ) 20 October, 2009, Tuesday at 16.00 hrs
The peculiar X-ray binary Cyfnus X-3 Prof. A. A. Zdziarski (N. Copernicus Astronomical Center, Warsaw, Poland) 22 September, 2009, Tuesday at 16.00 hrs
The Atacama Cosmology Telescope Dr. Sudeep Das (Department of Physics and Astrophysics, Princeton University, USA ) 15 September, 2009, Tuesday at 16.00 hrs
Recent Highlights from the MAGIC experiment Dr. Pratik Majumdar (DESY, Zeuthen, Germany) 1 September, 2009, Tuesday at 16.00 hrs
The Extended Stellar Halo of the Andromeda Spiral Galaxy and its Dwarf Satellites: Results from the SPLASH Survey Prof. Puragra Guhathakurta (University of California Observatories / Lick Observatory, USA) 11 August, 2009, Tuesday at 16.00 hrs
Tale of a Counter Jet Dr. Resmi Lekshmi (Institut d'Astrophysique de Paris, France) 28 July, 2009, Tuesday at 14.30 hrs
Exploring the evolution of elemental abundances with Quasar Absorption line spectroscopy of DLAs Prof. Bryan Penprase (Pomona College, Caltech University, USA ) 9 July 2009, Thursday at 11.30 hrs
Effect of Coriolis force on the shapes of rotating stars and stars in binary systems Ankush Pathania (Thapar University, Patiala, Punjab) 23 June 2009, Tuesday at 16.00 hrs
Loop Quantum Gravity and Inflation Rakesh Tibrewala (DAA-TIFR) 28 April 2009, Tuesday at 16.00 hrs
Deciphering the music of the Sun with Helioseismology Piyali Chatterjee (DAA-TIFR) 21 April 2009, Tuesday at 16.00 hrs
Multi-layer analysis of Coronal Bright Points. Structure and Evolution Dr. David Perez-Suarez ( Armagh Observatory, UK ) 13 April 2009, Monday at 14.30 hrs
Dynamics of massless scalar fields in General Relativity Swastik Bhattacharya ( DAA-TIFR ) 6 April 2009, Monday at 16.00 hrs
Cluster structure modeling, Sunyaev-Zel'dovich scaling relations and secondary CMB ansiotropies at small angular scales Anya Chaudhuri ( DAA-TIFR ) 31 March 2009, Tuesday at 16.00 hrs
Punctuated inflation and the low CMB multipoles Prof. L. Sriramkumar (The Harish-Chandra Research Institute, Allahabad) 27 March 2009, Friday at 11.30 hrs
Nature of 1E 161348-5055 in RCW 103: A pre-LMXB in propeller phase? Harshal Bhadkamkar ( DAA-TIFR ) 24 March 2009, Tuesday at 16.00 hrs
Uncovering the Central Engines of Massive Protostars Dr. M. S. Nanda Kumar (Centro de Astrofisica da Universidade do Porto, Portugal ) 23 March 2009, Monday at 16.00 hrs
Search for Other Worlds using Hubble Space Telescope Dr. Kailash C. Sahu (Space Telescope Science Institute, Baltimore, USA) 9 March 2009, Monday at 14.30 hrs
Spherically symmetric timelike shells in General Relativity Dr. Daniele Malafarina (Institute of Mathematics of the Polish Academy of Sciences, Poland) 17 February, 2009 Tuesday at 16.00 hrs
Effect of three body stellar interactions on binary radio pulsars in globular clusters Dr. Manjari Bagchi (DAA-TIFR) 10 February 2009, Tuesday at 16.00 hrs
Multi-disciplinary Applications of X-ray Spectroscopy: From Astrophysics to Biophysics Professor Anil K. Pradhan (Ohio State University, USA) 09 February, 2009 Monday at 16.00 hrs
Broad Band, High Resolution X-Ray Spectroscopy Using Microcalorimeters: Spin-Offs from Astrophysics Research Mr. Eric Silver (Harvard-Smithsonian Center For Astrophysics, USA) 09 February, 2009 Monday at 11.30 hrs
Constraining cosmology using clusters as an ensemble of cosmic rulers Mr. Satej Khedekar (DAA-TIFR) 13 January, 2009 Tuesday, 16.00 hrs
The star formation history of the highest redshift quasars Prof. G. J. Ferland (University of Kentucky, USA) 06 January 2009 Tuesday at 16.00 hrs

2008

Topic Speaker Date
Shadows of Galaxies: Tracing Galaxy Evolution with Quasar Absorption Lines Dr. Varsha Kulkarni (University of South Carolina, USA) 26 December 2008, Friday at 14.30 hrs
The Assembly of Galaxy Disks &/amp; Evolution of Galactic Structures in COSMOS - Reconstructing the Hubble Sequence Dr. Kartik Sheth (Spitzer Science Center, Caltech, USA ) 23 December 2008, Tuesday at 16.00 hrs
Physical conditions in Photo dissociation Regions (PDRs): NGC2023 and S140 Dr. Gargi Shaw (DAA-TIFR) 18 December 2008, Thursday at 11.30 hrs
Gamma Ray Burst Astronomy with the Fermi Gamma Ray Space Telescope Dr. Narayana P. Bhat (University of Alabama, USA) 11 December 2008, Thursday at 11.30 hrs
Is the IMF of Stellar Clusters Universal ? Dr. Sami Dib ( CEA/Saclay, France ) 25 November 2008, Tuesday, at 16.00 hrs.
Global Stellar Models of Turbulent Convection and Magnetism Across the H-R diagram Dr. Allan Sacha Brun ( EA/Saclay, France) 21 November 2008, Friday, at 11.30 hrs.
On the Nature of coherent Pulsar Radio Emission Dr. Dipanjan Mitra ( NCRA, Pune ) 18 November 2008, Tuesday, at 16.00 hrs.
Report on the 3rd Biennial Leopoldina Conference on "Dark Energy" Aseem Paranjape (TIFR, Mumbai ) 11 November 2008, Tuesday, at 16.00 hrs.
A new approach to RFI mitigation of interferometric data Dr. R Athreya ( NCRA, Pune ) 04 November 2008, Tuesday, at 16.00 hrs.
Development of Gaseous photomultipliers based on Gas Electron Multipliers (GEMs) and its application Dr. B.K. Singh ( Physics Department, BHU ) 27 October 2008, Monday, at 11.30 hrs.
Long-term variability of solar activity: how long will the the current grand maximum persist? Prof. Nigel Weiss, (University of Cambridge, UK ) 30 September 2008, Tuesday, at 16-00 hrs.
Colliding Molecular Clouds And Low Mass Star Formation Mr. Sumedh V. Anathpindika ( Cardiff University, UK ) 23 September 2008, Tuesday at 1600 hrs
Multiwavelength studies of Galactic H II regions Mr. Manash Ranjan Samal ( ARIES, Nainital ) 26 Augusr 2008, Tuesday at 16-00 hrs
Probes of large-scale structure in the gas Prof. Ravi Subrahmanyan (Raman Research Institute, Bangalore) 19-Aug-2008, Tuesday at 16-00 hrs
Rise and decline of Indian Science Prof. R Kochhar ( NIPER, Mohali ) 04 August 2008, Monday, at 16-00 hrs
Prospects for detection of the lunar Cerenkov emission by the UHE Cosmic Rays and Neutrinos using the GMRT and the Ooty Radio Telescope Prof. Govind Swarup, ( NCRA-TIFR, Pune ) 30 July 2008, Wednesday, at 14-30 hrs
Lemaitre-Tolman-Bondi collapse from the perspective of loop quantum gravity Mr. Rakesh Tibrewala, ( DAA-TIFR ) 10 June-2008, Tuesday, at 16-00 hrs
Winds, Bubbles and Supernovae: Impact of a Massive Star on the Ambient Medium Dr. Vikram Dwarkadas, (University of Chicago, USA ) 05 June 2008, Thursday, at 11-30 hrs
Averaging the Inhomogeneous Universe Aseem Paranjape ( DAA-TIFR ) 27 May 2008, Tuesday, at 16-00 hrs
Galactic Open Clusters: Star Formation and Morphology Dr. Saurabh Sharma ( ARIES, Nainital ) 15 April 2008, Tuesday, at 16-00 hrs
Probing quantum gravitational physics via inflation Dr. Subramaniam Shankaranarayanan ( Institute of Cosmology and Gravitation, Portsmouth, UK ) 10 April 2008, Thursday, at 11-30 hrs
Finger-printing the Universe: Error in Error-bars Dr. Dipak Munshi (Institute of Astronomy, Cambridge, UK ) 13 March 2008, Thursday, at 11-30 hrs
Binary radio pulsars in and out globular clusters Dr. Manjari Bagchi (DAA - TIFR, Mumbai) 11 March 2008, Tuesday, at 16-00 hrs
Black holes, white holes and tunnelling Dr. Parthasarathi Mitra ( SINP, Kolkata ) 06 March 2008, Thursday at 14-30 hrs
On flux transport dynamo models and solar cycle predictions from them Dr. Piyali Chatterjee (Indian Institute of Science, Bangalore) 26 February, 2008 Tuesday at 16.00 hrs
The Mystery of Brown Dwarf Origin Dr. Subhanjoy Mohanty (CfA, USA ) 27 February, 2008 Wednesday at 11.30 hrs
Black Holes in the Universe and Microquasars Prof. Felix Mirabel (European Southern Observatory, Chile ) 19 February 2008, Tuesday, at 16-00 hrs
Hard X-ray Imaging Observation with Multilayer Supermirror X-ray Telescope on Board a Balloon Prof. K. Yamashita, ( Nagoya University) 12 February 2008, Tuesday, at 16-00 hrs
The Evolution of Black-Hole Binaries Prof. Tomaso M Belloni (INAF OABrera, Merate, Italy) 08 February 2008, Friday, at 11-30 hrs
Noncommutative gravity and black holes Prof. Kumar S. Gupta ( SINP, Kolkata ) 07 February 2008, Thursday, at 04-00 hrs