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ASI 2015 Abstract Book XXXIIIrd Meeting of The Astronomical Society of India ABSTRACT BOOK- ASI 2015 Table of Contents Title Page No. Plenary Session- Life of Stars 1 Devendra Ojha - Star formation on local scales and modes of triggered star formation 1 Gajendra Pandey -Are extreme helium and R Coronae Borealis stars, merged products 1 of two white dwarfs? Poonam Chandra - Supernovae: Shocked after the violent death of stars 1 Parallel Session - Sun and Solar System - 1 2 Divya Oberoi - First Murchison Widefield Array Observations of a Type II Solar 2 Radio Burst Avijeet Prasad - Topological properties of coronal fields derived from nonlinear force- 3 free (NLFF) magnetic field solutions Soumitra Hazra - Can Flux Transport Solar Dynamo Models Function with a Shallow 3 Meridional Flow? Shyama Narendranath - New findings of solar coronal abundances from solar x-ray 3 spectroscopic studies Sowmya Krishnamurthy - Influence of Paschen-Back effect on atomic spectral line 4 polarisation Parallel Session - Stars, The Milky Way Galaxy and its neighbours - 1 4 T. Sivarani - Stellar relics from the early galaxy 4 Bharath Kumar Yerra - Role of RGB Stars in Galactic Li Evolution: Connection 5 between Li enrichment and mass-loss A. A. Ferro - CCD time-series photometry of Variable Stars in Globular Clusters and 5 the metallicity dependence of Horizontal Branch structure Sujan Sengupta - Upper Limit on Extreme-Ultraviolet Luminosity of Stars Hosting 6 Habitable Planets D. Jaghadeep - Physical conditions of MYSOs through molecular spectroscopy 6 Parallel Session - Extragalactic Astronomy - 1 7 S. Raychaudhury - The early evolution of galaxies in small groups 7 Atreyee Sinha - Blazar Monitoring from the HAGAR Cherenkov telescope 7 Prasad Subramanian - "Blobs" in blazar jets: what are they, really? 7 Dharam Vir Lal - Inverse-Compton Emission from the Powerful High-Redshift Radio 8 Galaxy, 3C270.1 Preeti Kharb - Clues about Jet formation and Propagation from Multi-wavelength 8 Observations of Intermediate Quasars Parallel Session - Instrumentation - 1 9 D. Bhattacharya - An Overview of the ASTROSAT mission 9 S. Sriram - Ground calibration of the UVIT 9 Kallol Mukherjee - Ground Calibration and Creation of calibration database for Soft 10 Table of Contents X-ray telescope of Astrosat mission J. S. Yadav - Calibration of LAXPC instrument 10 Varun Bhalerao - The overall characteristics of the CZT-Imager 10 B. T. Ravishankar - Calibration and ground tests of the SSM Payload 11 Parallel Session - General Relativity and Cosmology - 1 11 Hamsa Padmanabhan - Probing The Universe: Through Reionization and Later 11 Raghunath Ghara - 21 cm signal from cosmic dawn 12 Mayuri Rao - On the detection of spectral ripples from the Epoch of Recombination 12 Sourabh Paul - Study of the 21 cm Epoch of reionization and foregrounds with 13 Murchison Widefield Array Jayant Narlikar-Cosmology, Fred Hoyle and I 13 Plenary session: The Local Universe 14 Chanda Jog - Gravitational instabilities affected by external tidal field 14 Jayaram Chengalur - Cold Gas and Star formation in Nearby dwarfs 14 Subhashis Roy - Equipartition magnetic fields in nearby spiral galaxies 15 Parallel Session - Sun and Solar System - 2 15 R. Ramesh - Observations of the solar corona at low radio frequencies 15 Jishnu Bhattacharya - Frequency shifts of resonant modes of the Sun due to near- 16 surface convective scattering Nithin Mohan - Radio Observation of Venus at Meter Wavelengths using the GMRT 17 Hajime Kita - Study on short-term variation mechanism of the Jovian radiation belt 18 based on radio interferometer observations Rajbir Kaur - Whistler-mode Instability in Presence of Parallel Electric Field in 19 Magnetosphere of Uranus Parallel Session - Extragalactic Astronomy - 2 19 J. Bagchi - Spiral galaxy radio jets: The secret sits in the middle and knows 19 Ruta Kale - Probing cluster and super-cluster scale radio emission with the 20 Murchison Widefield Array T. Mageshwaran - Stellar dynamics around BHs and it observational implications 20 around quiescent galaxies K. Vaghmare - Where do S0 Galaxies Fit in the Overall Picture of Galaxy Formation 21 and Evolution? Honey M.- Secular evolution in barred Low Surface Brightness Galaxies 21 Parallel Session - Instrumentation & Techniques -2 22 Koshy George - WFOS - TMT first light instrument 22 Saurabh Sharma - TIFR-ARIES Near Infrared spectrometer (TANSPEC) on the 3.6m 22 DOT Yashwant Gupta - GMRT: current status and future 23 Table of Contents Niruj Mohan - Realtime pipeline @ GMRT for detection of transients 23 Sasi Kumar Raja - Design and performance study of a meter wavelength narrow band 24 cross-polarized log-periodic dipole antenna to observe the polarized radio emission Parallel Session - Stars, The Milky Way Galaxy and its Neighbours - 2 24 Santosh Joshi - Asteroseismic Investigation of the Chemically Peculiar Stars 25 Anupam Bharadwaj - The Variation of Fourier Parameters for Galactic and LMC 25 Cepheids at Optical, Near-Infrared and Mid-Infrared Wavelengths Supriyo Ghosh - Phase dependent spectro-photometric studies of a new Mira variable 25 MASTER Optical Transient J212444.87+321738.3 Vishal Joshi - Detection of strong shock wave during the 2014 outburst of recurrent 26 nova V745 Sco N. G. Kantharia - Evolution of radio emission at GMRT frequencies from the recurrent 26 nova system V745 Scorpii Parallel Session - GR and Cosmology - 2 27 P. Ajith - Gravitational-wave observations and multi-messenger astronomy 27 Kanhaiya Pandey - Reionization constraints on primordial magnetic fields 27 Priyanka Singh - CMB distortion from circumgalactic gas 28 Sumanta Chakrabarty - Evolution of Spacetime arises due to the departure from 28 Holographic Equipartition in all Lanczos-Lovelock Theories of Gravity D. Narasimha - Gravitational Lensing as a probe of Ultraviolet and Infrared 29 modifications of Gravity Anil Bhardwaj - Indian Planetary Missions 29 Plenary session: Future Initiatives 30 Eswar Reddy - India's Participation in the TMT International Observatory - An 30 update to ASI Philip Diamond - The Square Kilometre Array: a physics machine for the 21st 30 Century Dipankar Banerjee - Indian Space mission to probe sun: Aditya 1 30 Bala Iyer - Beyond Detection to Gravitational Wave Astronomy 31 Parallel Session - Extragalactic Astronomy - 3 31 Nissim Kanekar - The Nature of High-Redshift Damped Lyman-alpha Systems 31 Gargi Shaw - Effect of metallicity and cosmic ray ionization rate on the 21cm spin 32 temperature Narendra Patra - Modeling HI distribution and kinematics in the edge-on dwarf 32 irregular galaxy KK250 Girish Kulkarni - The Jeans Scale of the Inter-Galactic Medium 33 Rupal Basak - The prompt emission of gamma-ray bursts: signature of the thermal 34 component Parallel Session - Instrumentation & Techniques - 3 35 Table of Contents R. C. Rannot - HiGRO - The Indian High Altitude Gamma-Ray Observatory 35 Nagendra Neerudu - Development of high altitude balloons for scientific and other 35 applications Shashi Kiran Ganesh - EMCCD based imaging polarimeter for the 1.2m Mt. Abu 36 Telescope Jyotirmay Paul - Performance Analysis of iRobo-AO system and Laboratory 36 calibration unit Brajesh Kumar - Upcoming 4m liquid mirror telescope 37 Parallel Session - Sun and Solar System - 3 38 Durgesh Tripathi - The Solar Ultraviolet Imaging Telescope onboard ADITYA 38 Nishtha Sachdeva - Constraining near-earth mhd turbulence levels using forbush 38 decrease precursors Upendra Kumar Singh Kushwaha - Large-scale implosion in coronal loops during the 39 preflare phase of an M6.2 flare and associated failed eruption of a filament. Nandita Srivastava - CME -CME interaction: Kinematics & Consequences 39 Parallel Session - Stars, The Milky Way Galaxy and its Neighbours - 3 40 Kanak Saha - Is there a classical bulge in our Milky Way? 40 Arabindo Roy - The Line-mass Power Spectrum of Interstellar Filaments - A Possible 40 Link to the IMF? Lab Saha - Radiative recombination structures in galactic supernova remnants 41 Pragati Pradhan - Broadband properties of accretion powered X-ray pulsars: a study 41 with Suzaku Prasanta Bera - Mass–radius relation of strongly magnetized white dwarfs: nearly 42 independent of Landau quantization Plenary session: High energy universe 42 Andrew King - How Do Supermassive Black Holes Accrete? 42 K P Singh - X-raying the zoo of Active Galactic Nuclei 42 Sudip Bhattacharyya - X-ray binary: a world of extremes 43 Thesis Presentation 43 Prabhakar Tiwari - Observations of Large Scale Anisotropy and Cosmological Models 43 Susanta Kumar Bisoi - Solar and Solar Wind Studies Using Ground and Space Based 44 Observations Prashanth Mohan - Models of Observational Signatures of Black Holes 45 Laxmikant Chaware - Multiwavelength Study of Galaxies Using Deep Survey Fields 46 Sunil Chandra - Multi-wavelength Study of Variability in Blazars 47 A. Raghunathan- Investigation of Techniques to Detect Cosmological Backgrounds 48 Mamta Gulati - A study of slow modes in Keplerian discs 49 Krishna Prasad S.- Spectroscopic studies of coronal structures using ground- and 50 space-based data Table of Contents Poster Presentations- Sun and Solar System 51 Poster Presentations- Stars, The Milky Way Galaxy and its neighbours 69 Poster Presentations- General Relativity and Cosmology 92 Poster Presentations- Extragalactic Astronomy 99 Poster Presentations- Instrumentation and Techniques 120 Poster Presentations- Other 139 1 Abstract Book - ASI2015 ASI-2015 Plenary Session: Life of Stars Tuesday, 17 February 2015 Chairperson: G. C. Anupama Time: 11:00 - 12:30 Venue: Chandrashekhar
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