output
20062026
most citedGW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral

9.8k citations

Showing 2021 · astro-ph.HEShow all

16 papers · 2 filters

astro-ph.HE2021★ 4 cited

A test of spatial coincidence between CHIME FRBs and IceCube TeV energy neutrinos

Shantanu Desai

We search for a spatial association between the CHIME FRBs and IceCube neutrinos detected in the TeV energy range, by counting the total number of neutrino-FRB pairs with angular s…

astro-ph.HE2021★ 21 cited

LeMMINGs IV: The X-ray properties of a statistically-complete sample of the nuclei in active and inactive galaxies from the Palomar sample

D. R. A. Williams, M. Pahari, R. D. Baldi +22

All 280 of the statistically-complete Palomar sample of nearby (<120 Mpc) galaxies dec > 20 degrees have been observed at 1.5 GHz as part of the LeMMINGs e-MERLIN legacy survey. He…

astro-ph.HE2021★ 41 cited

Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift During the LIGO-Virgo Run O3b

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1632

We search for gravitational-wave signals associated with gamma-ray bursts detected by the Fermi and Swift satellites during the second half of the third observing run of Advanced L…

astro-ph.HE2021★ 96 cited

All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1669

This paper describes the first all-sky search for long-duration, quasi-monochromatic gravitational-wave signals emitted by ultralight scalar boson clouds around spinning black hole…

astro-ph.HE2021★ 74 cited

Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1694

We present a targeted search for continuous gravitational waves (GWs) from 236 pulsars using data from the third observing run of LIGO and Virgo (O3) combined with data from the se…

astro-ph.HE2021★ 61 cited

Search for continuous gravitational waves from 20 accreting millisecond X-ray pulsars in O3 LIGO data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1634

Results are presented of searches for continuous gravitational waves from 20 accreting millisecond X-ray pulsars with accurately measured spin frequencies and orbital parameters, u…

astro-ph.HE2021★ 35 cited

Evidence for profile changes in PSR J1713+0747 using the uGMRT

Jaikhomba Singha, Mayuresh P Surnis, Bhal Chandra Joshi +29

PSR J1713+0747 is one of the most precisely timed pulsars in the international pulsar timing array experiment. This pulsar showed an abrupt profile shape change between April 16, 2…

astro-ph.HE2021★ 30 cited

Cosmic ray Transport in Magnetohydrodynamic turbulence

Snehanshu Maiti, Kirit Makwana, Heshou Zhang +1

This paper studies cosmic ray (CR) transport in magneto hydrodynamic (MHD) turbulence. CR transport is strongly dependent on the properties of the magnetic turbulence. We perform t…

astro-ph.HE2021

Search for Cosmological time dilation from Gamma-Ray Bursts -- A 2021 status update

Amitesh Singh, Shantanu Desai

We carry out a search for signatures of cosmological time dilation in the light curves of Gamma Ray Bursts (GRBs), detected by the Neil Gehrels Swift Observatory. For this purpose,…

astro-ph.HE2021★ 40 cited

The Gravity Collective: A Search for the Electromagnetic Counterpart to the Neutron Star-Black Hole Merger GW190814

Charles D. Kilpatrick, David A. Coulter, Iair Arcavi +79

We present optical follow-up imaging obtained with the Katzman Automatic Imaging Telescope, Las Cumbres Observatory Global Telescope Network, Nickel Telescope, Swope Telescope, and…

astro-ph.HE2021★ 91 cited

Search for intermediate mass black hole binaries in the third observing run of Advanced LIGO and Advanced Virgo

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration

Intermediate-mass black holes (IMBHs) span the approximate mass range --, between black holes (BHs) formed by stellar collapse and the supermassive BHs at the c…

astro-ph.HE2021★ 66 cited

On the multi-wavelength variability of Mrk 110: Two components acting at different timescales

F. M. Vincentelli, I. McHardy, E. M. Cackett +17

We present the first intensive continuum reverberation mapping study of the high accretion rate Seyfert galaxy Mrk 110. The source was monitored almost daily for more than 200 days…

astro-ph.HE2021★ 8 cited

Understanding the extreme luminosity of DES14X2fna

M. Grayling, C. P. Gutiérrez, M. Sullivan +66

We present DES14X2fna, a high-luminosity, fast-declining type IIb supernova (SN IIb) at redshift , detected by the Dark Energy Survey (DES). DES14X2fna is an unusual memb…

astro-ph.HE2021★ 4 cited

LAXPC instrument onboard AstroSat: Five exciting years of new scientific results specially on X-ray Binaries

J. S. Yadav, P. C. Agrawal, Ranjeev Misra +3

With its large effective area at hard X-rays, high time resolution and having co-aligned other instruments, AstroSat/LAXPC was designed to usher in a new era in rapid variability s…

astro-ph.HE2021★ 26 cited

Search for Lorentz Invariance Violation from stacked Gamma-Ray Burst spectral lag data

Rajdeep Agrawal, Haveesh Singirikonda, Shantanu Desai

A number of works have claimed detections of a turn-over in the spectral lag data for individual Gamma-Ray Bursts (GRBs), caused by an energy-dependent speed of light, which could…

astro-ph.HE2021★ 23 cited

High Precision Measurements of Interstellar Dispersion Measure with the upgraded GMRT

M. A. Krishnakumar, P. K. Manoharan, Bhal Chandra Joshi +19

Pulsar radio emission undergoes dispersion due to the presence of free electrons in the interstellar medium (ISM). The dispersive delay in the arrival time of pulsar signal changes…