Schedule of IUCAA Last Friday Talks:
| (Coordinator:LFT Team) | Last Friday every month |
(a) To schedule a seminar, please send a mail [giving the name of the speaker, title and date], to LFT Team (Organizers), after ensuring that the date is available.
(b) To schedule a Last Friday Talks, please contact LFT Team (Organizers)
Forthcoming IUCAA Last Friday Talks :|
Date & Venue (DD-MON-YYYY HH24:MM) |
Speaker & Affiliation |
Title |
|
01 Mar 2024 5:00 PM |
Priyanka Gawade | "On the feasibility of primordial black hole abundance constraints using lensing parallax of GRBs" [https://doi.org/10.1093/mnras/stad3336] |
| Swagat Mishra | "New models of Quintessential Inflation featuring plateau and hilltop potentials" [https://arxiv.org/abs/2402.04316] | |
| Prem Vijay | "A self-similar model of galaxy formation and dark halo relaxation" [https://arxiv.org/abs/2311.13952] |
Past IUCAA Last Friday Talks :
|
Date & Venue (DD-MON-YYYY HH24:MM) |
Speaker & Affiliation |
Title |
| 25 Jan 2024, 5:00 p.m | Amit Kumar | "Over-abundance of orphan galaxies in the UniverseMachine" [https://arxiv.org/abs/2312.04847] |
| Vaidehi Paliya |
"Narrow-line
Seyfert 1 galaxies in Sloan Digital Sky Survey: a new optical
spectroscopic catalogue" and "Hunting Gamma-ray emitting FR0 radio
galaxies in wide-field sky surveys"[https://arxiv.org/abs/2311.13818],
[https://arxiv.org/abs/2310.03321] |
|
| 01 Dec 2023, 5:00 p.m | Sukanya Mallik | " Role of ionizing background on the non-thermal broadening inferred for the aligned absorbers " [ https://arxiv.org/abs/2309.05717 ] |
| Premvijay Velmani | " The quasi-adiabatic relaxation of haloes in the IllustrisTNG and EAGLE cosmological simulations " [ https://arxiv.org/abs/2206.07733 ] | |
| 27th Oct 2023 5:00 PM | Kishore Gopalakrishnan | " Mean-field dynamo due to spatiotemporal fluctuations of the turbulent kinetic energy " [ https://arxiv.org/abs/2302.11805 ] |
| Nishant Singh |
" Turbulent
Prandtl number from isotropically forced turbulence "
[ https://arxiv.org/abs/2207.10335 ]
|
|
| Souradeep Bhattacharya | '' On the α/Fe bimodality of the M31 disks '' [https://arxiv.org/abs/2309.01707] | |
| 29th Sep 2023 5:00 PM | Kanchan Soni |
" Obtaining Statistical Significance of Gravitational Wave
Signals in Hierarchical Search" [ https://arxiv.org/abs/2309.00019 ]
|
| Rajendra Prasad Bhatt | " Addressing issues in defining the Love numbers for black holes" [ https://arxiv.org/abs/2306.13627 ] | |
|
28th July 2023 5.00 PM |
Avinash Tiwari | " Accelerated binary black holes in globular clusters: forecasts and detectability in the era of space-based gravitational-wave detectors " [ https://arxiv.org/abs/2307.00930 ] |
| Navin Chaurasiya | " Galaxy-dark matter connection of photometric galaxies from the HSC-SSP Survey: Galaxy-galaxy lensing and the halo model " [ https://arxiv.org/abs/2307.03915 ] | |
|
30th May 2023 5.00 PM |
Sankalpa Banerjee | Modelling and design of ultra-high stable Fabry–Pérot cavity [ https://doi.org/10.1016/j.ijmecsci.2023.108299 ] |
| Bikram Pradhan | Impact of updated multipole Love numbers and f-Love universal relations in the context of binary neutron stars [ https://doi.org/10.1103/PhysRevD.107.023010 ] | |
| Anuj Mishra | Exploring the Impact of Microlensing on Gravitational Wave Signals: Biases, Population Characteristics, and Prospects for Detection [ https://arxiv.org/abs/2306.11479 ] | |
|
26th May 2023 5.00 PM |
Chayan Mondal | " Observed UV Continuum Slopes (β) of Galaxies at z = 0.40–0.75 in the GOODS-North Field " [ https://iopscience.iop.org/article/10.3847/1538-4357/acc110/pdf ] |
| Suprovo Ghosh | " Universal relations to measure neutron star properties from targeted r-mode searches" [ https://arxiv.org/abs/2304.12356 ] | |
| Sukanya Mallik | " Role of ionizing background on the statistics of metal absorbers in hydrodynamical simulations " [ https://arxiv.org/pdf/2301.10788.pdf ] | |
| 28th April 2023 5:00 pm | Shivaraj Kandhasamy | " Effects of calibration uncertainties on the detection and parameter estimation of isotropic gravitational-wave backgrounds " [ https://arxiv.org/abs/2301.13531 ] |
| Divya Rawat |
" Detection of X-ray polarized emission and accretion-disk winds
with IXPE and NICER in the black-hole X-ray binary 4U 1630-47 " [ https://arxiv.org/abs/2303.02745 ] |
|
| Akash Garg | " Flux-resolved spectro-polarimetric evolution of the X-ray pulsar Her X-1 using IXPE " [ https://arxiv.org/abs/2304.00889 ] | |
|
31 MAR- 2023 5.00 PM |
Avinash Tiwari |
" Waltzing binaries: Probing line-of-sight acceleration of merging
compact objects with gravitational waves " [ https://arxiv.org/abs/2302.09651 ] |
| Sourabh Magare |
" Gear-up for the Action Replay: Leveraging Lensing for Enhanced
Gravitational-Wave Early-Warning " [ https://arxiv.org/abs/2302.02916 ] |
|
| Divya Rawat | " The comptonizing medium of the black-hole X-ray binary MAXI~J1535−571 through type-C quasi-periodic oscillations " [ https://arxiv.org/abs/2301.04418 ] | |
|
27 JAN -2023 5:00 pm |
Swarnim Shirke | "Constraining the equation of state of hybrid stars using recent information from multidisciplinary physics" [https://arxiv.org/abs/2210.09077] |
| Divya Rana |
"The
eROSITA Final Equatorial-Depth Survey (eFEDS) -- Splashback
radius of X-ray galaxy clusters using galaxies from HSC survey" [ https://arxiv.org/abs/2301.03626]
|
|
| Samanwaya Mukherjee |
"Measuring the horizon
parameters to tell apart black holes in a compact binary
coalescence" [ https://arxiv.org/abs/2202.08661]
|
|
|
30-DEC-2022 4.00 PM |
Kishore Gopalkrishnan | "Magnetic helicity fluxes from triple correlators" [https://arxiv.org/abs/2209.14810] |
| Vishal Upendran | "Global geomagnetic perturbation forecasting using Deep Learning" [https://arxiv.org/abs/2205.12734] | |
| Vaidehi Paliya |
"TXS 1433+205: The most distant gamma-ray emitting FR II radio
galaxy" [https://arxiv.org/abs/2212.08789]
|
|
|
23-SEP-2022 5:30 PM |
Meenakshi Moun | "Modelling observable signatures of jet-ISM interaction: thermal emission and gas kinematics" [https://arxiv.org/abs/2203.10251] |
| Suprovo Ghosh | "Exploring the effects of Delta Baryons in magnetars" [https://arxiv.org/abs/2205.09827] | |
|
29-JUL-2022 5:30 PM |
Tathagata Ghosh | "Simultaneous Inference of Neutron Star Equation of State and Hubble Constant with a Population of Merging Neutron Stars" [https://arxiv.org/abs/2203.11756v2] |
| Abhisek Mohapatra |
"Mapping HI 21-cm in the Klemola 31 group at z = 0.029: emission and
absorption towards PKS2020-370" [http://arxiv.org/abs/2206.09940] |
|
| Bhaskar Arya | "Lognormal semi-numerical simulations of the Lyman-α forest: comparison with full hydrodynamic simulations" [https://arxiv.org/abs/2206.08013] | |
|
24-JUN-2022 5.30 PM |
Anuj Mishra | "Gravitational Lensing of Gravitational Waves: Probability of Microlensing in Galaxy-Scale Lens Population" [https://arxiv.org/abs/2205.05409] |
| Bikram Pradhan | "General relativistic treatment of f-mode oscillations of hyperonic stars" [https://arxiv.org/abs/2203.03141] | |
| Aromal P | "Coordinated time variability of multi-phase ultra-fast outflows in J132216.25+052446.3" [https://arxiv.org/abs/2205.12285] | |
|
03-JUN-2022 5.30 PM |
Anupreeta More | Improved statistic to identify strongly lensed gravitational wave events" [https://arxiv.org/abs/2111.03091] |
| Suprovo Ghosh | "Multi-physics constraints at different densities to probe nuclear symmetry energy in hyperonic neutron stars" [https://arxiv.org/abs/2203.03156] | |
| Amit Kumar | "Subaru HSC weak lensing of SDSS redMaPPer cluster satellite galaxies: Empirical upper limit on orphan fractions" [https://arxiv.org/abs/2205.00018] | |
| 29- APR-2022 5.30 PM |
Souradeep Bhattacharya | "Radial oxygen and argon abundance gradients of the thin and thicker disc of Andromeda from planetary nebulae" [https://arxiv.org/abs/2203.06428] |
| Yash Bhargava | "Probing the shot behaviour in Cygnus X-1 using simultaneous AstroSat-NICER observation" [https://arxiv.org/abs/2203.11884] | |
| Labanya Kumar Guha | "Host Galaxies of Ultra Strong Mg II absorbers at z~0.5" [https://arxiv.org/abs/2204.09708] | |
| 25-FEB-2022 4.30 PM | Sapna Mishra | "Discovery of a cool, metal-rich gas reservoir in the outskirts of z~0.5 clusters" [https://arxiv.org/abs/2201.08545] |
| Divya Rawat | "Time-resolved spectroscopy on the heartbeat state of GRS 1915+105 using AstroSat" [https://arxiv.org/abs/2201.04326] | |
| Dipanjan Mukherjee | "Cold gas removal from the centre of a galaxy by a low-luminosity jet" [https://arxiv.org/abs/2202.05222] | |
| 28-JAN-2022 4.30 PM | Meenakshi Moun | "The extent of ionization in simulations of radio-loud AGNs impacting kpc gas discs" [https://arxiv.org/abs/2201.06797] |
| Vaishak Prasad | "Generalized source multipole moments of dynamical horizons in binary black hole mergers" [https://arxiv.org/abs/2109.01193] | |
| 26-NOV-2021 4.30 PM | Suprovo Ghosh | "Electron Captures and Stability of White Dwarfs" [https://arxiv.org/abs/2110.11038] |
| Surhud More | (1) "Constraints on the cosmic expansion
history from GWTC-3" [https://arxiv.org/abs/2111.03604]
and (2) "Cosmological inference from the emulator based halo model II: Joint analysis of galaxy-galaxy weak lensing and galaxy clustering from HSC-Y1 and SDSS" [https://arxiv.org/abs/2111.02419] |
|
| 29-OCT-2021 4.30 PM | Yash Bhargava | "A timing-based estimate of the spin of
the black hole in MAXI J1820+070 " [https://academic.oup.com/mnras/article/508/2/3104/6381702] |
| Ankush Mandal | "Impact of relativistic jets on the star
formation rate: A turbulence-regulated framework" [https://academic.oup.com/mnras/article/508/4/4738/6380528] |
|
| Deepali Agarwal | "Jointly setting upper limits on multiple
components of an anisotropic stochastic gravitational-wave
background" [https://arxiv.org/abs/2106.09593] |
|
| 24 -Sep- 2021 4.30 PM | Deepali Agarwal | "Upper limits on persistent gravitational
waves using folded data and the full covariance matrix from Advanced
LIGO's first two observing runs" [ https://arxiv.org/abs/2105.08930 |
| Bhaskar Biswas | "Impact of PREX-II and combined
Radio/NICER/XMM-Newton's mass-radius measurement of PSRJ0740+6620 on
the dense matter equation of state" [ https://arxiv.org/abs/2105.02886 |
|
| Anuj Mishra | "Gravitational Lensing of Gravitational
Waves: Effect of Microlens Population in Lensing Galaxies" [ https://arxiv.org/abs/2102.03946 |
|
| 03 - SEP-2021 4.30 PM | Divya Rana | "The Subaru HSC weak lensing
mass-observable scaling relations of spectroscopic galaxy groups
from the GAMA survey" [https://arxiv.org/abs/2107.05641] |
| Vishal Upendran | "On the Impulsive Heating of Quiet Solar
Corona" [https://iopscience.iop.org/article/10.3847/1538-4357/abf65a] |
|
| Suprovo Ghosh | "Imposing multi-physics constraints at
different densities on the Neutron Star Equation of State" [https://arxiv.org/abs/2107.09371] |
|
| 30th July 2021, 4:30 pm | Parisee Shirke |
"A new measurement of the spin and orbital parameters of the high
mass X-ray binary Centaurus X-3 using AstroSat" [ https://www.ias.ac.in/describe/article/joaa/042/0058 ] |
| Sorabh Chhabra |
"Generalized approach to compensate for low- and high-frequency
errors in fast Fourier transform-based phase screen simulations" [https://www.spiedigitallibrary.org/journals/Journal-of-Astronomical-Telescopes-Instruments-and-Systems/volume-7/issue-02/025007/Generalized-approach-to-compensate-for-low--and-high-frequency/10.1117/1.JATIS.7.2.025007.full?SSO=1] |
|
| John Paice |
"The evolution of rapid optical/X-ray timing correlations in the
initial hard state of MAXI J1820+070" [ https://academic.oup.com/mnras/article/505/3/3452/6286900?login=true ] |
|
| 02 - JUL - 2021 4.30 PM | Swagat Mishra |
Curing inflationary degeneracies using reheating predictions and
relic gravitational waves [ https://inspirehep.net/literature/1839228 ] |
| Abhishek Rajhans | Hydrodynamics of small transient brightenings in Solar corona | |
| 28 - MAY - 2021 4.30 PM | Souradeep Bhattacharya | Tidal tails in the disintegrating open cluster NGC 752 (https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab1404/6276753) |
| Prakash Tripathi | AstroSat/UVIT observations of IC4329A (https://arxiv.org/abs/2104.08053, https://arxiv.org/abs/2104.13031) | |
| Aromal P | Correlated time variability of multi-component high velocity outflows in J162122.54+075808.4 (https://arxiv.org/abs/2105.02249) | |
| Debabrata Adak | A new approach of estimating the Galactic thermal dust and synchrotron polarized emission template in the microwave bands (https://arxiv.org/abs/2104.13778) | |
| 30 - APR -2021 4.30 PM |
Dipanjan Mukherjee | "Simulating the dynamics and non-thermal emission of relativistic magnetized jets I. Dynamics" [https://arxiv.org/abs/2009.10475] |
| Savithri H.Ezhikode | "Correlation between relativistic reflection fraction and photon index in NuSTAR sample of Seyfert 1 AGN " [https://arxiv.org/abs/2005.03307] | |
| 05- Mar - 2021 4.30 PM | Siddharth Maharana | "WALOP-South: A Four Camera One Shot
Imaging Polarimeter for PASIPHAE Survey. Paper I -- Optical Design" [https://arxiv.org/abs/2102.09505] |
| Gulab Devangan | "Calibration of AstroSat/UVIT Gratings and
Spectral Responses" [https://arxiv.org/abs/2102.02480] |
|
| Soumavo Ghosh | "Fate of stellar bars in minor merger of
galaxies" https://doi.org/10.1093/mnras/stab238 [https://arxiv.org/abs/2008.04942] |
|
| 27 -NOV -2020 4.30 PM | Bikram Pradhan | "Effect of hyperons on f-mode oscillations
in Neutron Stars" [https://arxiv.org/abs/2011.02204] |
| Shreejit Jadhav: | "Improving significance of binary black
hole mergers in Advanced LIGO data using deep learning: Confirmation
of GW151216" [https://arxiv.org/abs/2010.08584] |
|
| 06-NOV -2020 4.30 PM | Bhaskar Biswas | GW190814: On the properties of the
secondary component of the binary [https://arxiv.org/abs/2010.02090] |
| Sayantani Bera | Incompleteness Matters Not: Inference of
H0 from BBH-galaxy cross-correlations https://iopscience.iop.org/article/10.3847/1538-4357/abb4e0/meta [https://arxiv.org/abs/2007.04271] |
|
| Shivaraj Kandhasamy | Quantum correlations between light and the
kilogram-mass mirrors of LIGO https://www.nature.com/articles/s41586-020-2420-8 [https://arxiv.org/abs/2002.01519] |
|
| 25-SEP-2020 5.30 PM | Soumak Maitra |
Three-and two-point spatial correlations of IGM at z∼2: Cloud based
analysis using simulations https://arxiv.org/abs/2005.05346 |
| Bhaskar Biswas | Hint of a tension between Nuclear physics and Astrophysical observations https://arxiv.org/abs/2008.01582 | |
| Prof. Kanak Saha | Bar rejuvenation in S0 galaxies? https://arxiv.org/pdf/2005.07387.pdf | |
| Vishal Upendran |
Solar wind prediction using deep learning https://arxiv.org/abs/2006.05825 |
|
| Dr.Ramkishor Sharma |
Gravitational wave generation in a viable scenario of inflationary
magnetogenesis https://journals.aps.org/prd/pdf/10.1103/PhysRevD.101.103526 |
|
| 28-AUG-2020 5.30 PM |
Dr. Rahul Basu | "Periodic Modulation: Newly Emergent
Emission Behavior in Pulsars" [https://arxiv.org/pdf/1912.06868.pdf] |
| Mr. Shalabh | "The hyperboloidal numerical evolution of
a good-bad-ugly wave equation" [https://arxiv.org/abs/1909.11749] |
|
| Prof. Gulab C Dewangan | "Strong Soft X-Ray Excess in 2015
XMM-Newton Observations of BL Lac OJ 287" [https://arxiv.org/abs/1912.02730] |
|
| Prof. Ranjeev Misra | "On the determination of log-normal flux
distributions for astrophysical systems" [https://arxiv.org/abs/2006.07852] |