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.

          IUCAA Publication list here

(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
 27th Sep 2024 
 5:00 p.m
Sourabh Magare " SLICK: Strong Lensing Identification of Candidates Kindred in gravitational wave data " [https://arxiv.org/abs/2403.02994]
   Avinash Tiwari " Profiling stellar environments of gravitational wave sources " [https://arxiv.org/abs/2407.15117]
  Pranjal Tambe " Effect of Magnetic Fields on Urca Rates in Neutron Star Mergers " [https://arxiv.org/abs/2409.09423v1]

Past IUCAA Last Friday Talks :
Date & Venue
(DD-MON-YYYY HH24:MM)
Speaker
& Affiliation
Title
6th Sep 2024 
 5:00 p.m
Suprovo Ghosh  "Tidal heating as a direct probe of strangeness inside neutron stars" [https://arxiv.org/abs/2306.14737#]
   Sajad Bhat  "Can the Near-Horizon Black Hole Memory be detected through Binary Inspirals?" [https://arxiv.org/abs/2406.15604]
  Nilaksha Barman  "Investigating the role of nuclear parameters on oscillation modes in hot Neutron Stars" [https://arxiv.org/abs/2408.00739]
 28 June 2024 5:00 PM  E. Christian Herenz " The Lyman Alpha Reference Sample XV. Relating Ionised Gas Kinematics with Lyman-alpha observables" [https://arxiv.org/abs/2406.03956]
  Souradeep Bhattacharya "Understanding stellar populations in thin and thick discs of edge-on galaxies with MUSE - I. The case of the reignited S0 galaxy ESO 544-27" [https://ui.adsabs.harvard.edu/abs/2024MNRAS.531.4336S/abstract]
  Vaidehi Paliya "A γ-Ray-emitting Collisional Ring Galaxy System in Our Galactic Neighborhood" [https://ui.adsabs.harvard.edu/abs/2024ApJ...967L..26P/abstract]
03 May 2024
5.00 PM
 Gopal Prabhu  "Constraining the abundance of Galactic compact objects with continuous gravitational waves"[https://arxiv.org/abs/2403.00502]
  Swarnim Shirke "R-modes as a new probe of dark matter in neutron stars" [https://iopscience.iop.org/article/10.1088/1475-7516/2023/12/008]
   Priyanka Gawade "Neural network prediction of model parameters for strong lensing samples from Hyper Suprime-Cam Survey" [https://arxiv.org/abs/2404.18897]
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]
25 Jan 2024,  5:00 PM 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]