16th February 2020

Sunday, 16 February 2020
Time: 11:30 – 12:45
Venue: SV College of engineering auditorium
Thesis Presentation II [Chairperson: Devendra Ojha]
Speaker Title Time in Minutes
Janakee Raste Analytical Formalism to Study the 21 cm Signal from Cosmic Dawn and Epoch of Reionization 15
Gautam Saikia Study of dust characteristics in the Milky Way and nearby galaxies 15
Ashwani Pandey Multiwavelength Studies of TeV Blazars 15
Prasanta Nayak Study of star cluster populations in the Magellanic Clouds 15
Sudip Mandal Multi-wavelength study of waves and Solar atmospheric magneto-seismology 15


Sunday, 16 February 2020
Time: 14:00 – 15:30
IISER, Tirupati campus, C. V. Raman Hall
Stars, ISM and the Galaxy IV [Chairperson: Saurabh Sharma]
Speaker Title Time in Minutes
Projjwal Banerjee New \textsl{s}-process Site in Rapidly Rotating Metal-Poor Massive Stars (I) 30
Susmitha Rani Antony Chemical evolution in the early Universe- a probe using Zn-S abundance in EMP stars 15
Partha Pratim Goswami Metal-poor stars and neutron-capture nucleosynthesis 15
Ranjan Kumar Study of Galactic Globular Clusters using UVIT Observations 15
Vikrant Jadhav UVIT catalog of open clusters with machine learning based membership probability 15


Sunday, 16 February 2020
Time: 14:00 – 15:30
IISER, Tirupati campus, Ramanujan Hall
Extragalactic Astronomy IV [Chairperson: Mousumi Das]
Speaker Title Time in Minutes
Preeti Kharb The Ubiquity of Radio Jets in Radio-Quiet AGN (I) 30
Ankur Ghosh Search for magnetar emission from very late time radio observations of short Gamma- Ray Bursts 15
Vivek M Quasar outflows in the SDSS 15
Anupam Bhardwaj Extragalactic distance scale with pulsating stars 15
Adti Vijayan Kinematic & Mutliwavelength Signature of Interacting Outflows 15


Sunday, 16 February 2020
Time: 14:00 – 15:30
Venue: IISER, Tirupati campus, Class Room 2
Instrumentation and Techniques III [Chairperson: Mudit K. Srivastava]
Speaker Title Time in Minutes
P. V. Rishin Current status of POLIX, an X-ray Polarimeter on-board XPoSat (I) 30
Madhuri Siriprolu Optimisation of Photoelectric Polarimeter for Medium Energy X-rays. 15
Ramesh Balasubramanyam Building the RRI Efficient Linear-array Imager 15
Ravinder Banyal Design and development of a tip-tilt instrument for 1.3 telescope 15
Kaushal Vadodariya - 15


Sunday, 16 February, 2020
Time: 14:00 – 15:30
IISER, Tirupati campus, Class Room 1
Sun and the Solar System I [Chairperson: Rohan Eugene Louis]
Speaker Title Time in Minutes
Divya Oberoi Solar metrewave radio astronomy: Entering a new regimes (I) 30
Mithun N. P. S. X-ray Spectroscopy of the Sun with Chandrayaan-2 XSM: Initial Results and Prospects 15
Nagaraju Krishnappa Sunspot magnetometry in Hα and Ca II 854.2 nm spectral lines 15
Nandita Srivastava INterplanetary Flux ROpe Simulator (INFROS) for predicting the magnetic-field vectors of ICMEs 15
Aravind K Contrasting behaviour of two jupiter family comets 15


Sunday, 16 February 2020
Time: 16:00 – 17:30
IISER, Tirupati campus, C. V. Raman Hall
Stars, ISM and the Galaxy V [Chairperson: Samir Mandal]
Speaker Title Time in Minutes
Chandreyee Maitra AstroSat view of cyclotron lines in accretion powered pulsars (I) 30
Sanjay Kudale Study of eclipses for Redback pulsar J1227-4853 15
Anusree K G Detection of Hard X-ray pulsation from Gamma-Ray Pulsars with the CZTI on board AstroSat 15
Arpita Choudhary Possible profile mode changes in the millisecond pulsar J2124-3358 15
Jaikhomba Singha Continued monitoring of high glitch rate pulsars using uGMRT and ORT 15


Sunday, 16 February 2020
Time: 16:00 – 17:30
IISER, Tirupati campus, Ramanujan Hall
Extragalactic Astronomy V [Chairperson: Nand Kumar Chakradhari]
Speaker Title Time in Minutes
Surajit Paul Future perspective on radio astronomy with low mass clusters: Discovery of diffuse radio emission in low mass cluster Abell 1697 (I) 30
Kshitija Kelkar Passive spirals and shock-induced star formation in merging cluster Abell 3376 15
Prakriti Pal Choudhury Multiphase gas in the circumgalactic medium 15
K Aditya
Dynamical modelling of the vertical stellar velocity dispersion in superthin galazies using obesrved scaleheight constraint
15
Sruthi K
Quenching of star formation in field early type galaxies
15


Sunday, 16 February, 2020
Time: 16:00 – 17:30
IISER, Tirupati campus, Class Room 1
Sun and the Solar System II [Chairperson: B. Ravindra]
Speaker Title Time in Minutes
Kuljeet Kaur Marhas Superflares from the primeval Sun (I) 30
Asoke Sen The interstellar comets and evolution of our solar system (I) 30
Ritesh Patel CMEs Identification in Inner Solar Corona (CIISCO) 15
Surajit Mondal Evidence for impulsive heating in quiet sun? 15


Sunday, 16 February, 2020
Time: 16:00 – 17:30
Venue: IISER, Tirupati campus, Class Room 2
Special Session on Exoplanets, Sub Stellar Objects and Astrochemistry / Astrobiology
[Chairperson: Manoj Puravankara]
Speaker Title Time in Minutes
Nikku Madhusudhan Exoplanetary Spectroscopy and Chemical Constraints on Planetary Formation (I) 30
Jessy Jose Youngest, free-floating planetary mass objects in the solar neighbourhood (I) 30
Suman Saha Transit photometry of extra-solar planets 15
Manika Singla Characterization of the atmospheres of terrestrial exoplanets 15