output
19932026
most citedGW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral

9.8k citations

Showing 2021 · astro-ph.HEShow all

23 papers · 2 filters

astro-ph.HE2021★ 21 cited

The Gamow Explorer: A gamma-ray burst observatory to study the high redshift universe and enable multi-messenger astrophysics

N. E. White, F. E. Bauer, W. Baumgartner +63

The Gamow Explorer will use Gamma Ray Bursts (GRBs) to: 1) probe the high redshift universe (z > 6) when the first stars were born, galaxies formed and Hydrogen was reionized; and…

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★ 16 cited

Fitting strategies of accretion column models and application to the broadband spectrum of Cen X-3

Philipp Thalhammer, Matthias Bissinger, Ralf Ballhausen +10

Due to the complexity of modeling the radiative transfer inside the accretion columns of neutron star binaries, their X-ray spectra are still commonly described with phenomenologic…

astro-ph.HE2021★ 17 cited

The NuSTAR Extragalactic Survey of the James Webb Space Telescope North Ecliptic Pole Time-Domain Field

X. Zhao, F. Civano, F. M. Fornasini +17

We present the extragalactic survey of the () North Ecliptic Pole (NEP) Time-Domain Field. The survey covers a 0.16 deg…

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★ 1 cited

SRG/ART-XC all-sky X-ray survey: Catalog of sources detected during the first year

M. Pavlinsky, S. Sazonov, R. Burenin +20

We present a first catalog of sources detected by the Mikhail Pavlinsky ART-XC telescope on board the SRG observatory in the 4-12 keV energy band during its ongoing all-sky survey.…

astro-ph.HE2021★ 23 cited

Catalog of Long-Term Transient Sources in the First 10 Years of Fermi-LAT Data

L. Baldini, J. Ballet, D. Bastieri +112

We present the first Fermi Large Area Telescope (LAT) catalog of long-term -ray transient sources (1FLT). This comprises sources that were detected on monthly time intervals dur…

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★ 46 cited

X-ray emission from magnetized neutron star atmospheres at low mass accretion rates. I. Phase-averaged spectrum

E. Sokolova-Lapa, M. Gornostaev, J. Wilms +12

Recent observations of X-ray pulsars at low luminosities allow, for the first time, to compare theoretical models for the emission from highly magnetized neutron star atmospheres a…

astro-ph.HE2021★ 23 cited

Enhanced X-ray Emission Coinciding with Giant Radio Pulses from the Crab Pulsar

Teruaki Enoto, Toshio Terasawa, Shota Kisaka +34

Giant radio pulses (GRPs) are sporadic bursts emitted by some pulsars, lasting a few microseconds. GRPs are hundreds to thousands of times brighter than regular pulses from these s…

astro-ph.HE2021★ 136 cited

The Fermi GBM Gamma-Ray Burst Spectral Catalog: 10 Years of Data

S. Poolakkil, R. Preece, C. Fletcher +17

We present the systematic spectral analyses of gamma-ray bursts (GRBs) detected by the Fermi Gamma-Ray Burst Monitor (GBM) during its first ten years of operation. This catalog con…

astro-ph.HE2021★ 23 cited

Dips and eclipses in the X-ray binary Swift J1858.6-0814 observed with NICER

D. J. K. Buisson, D. Altamirano, M. Armas Padilla +24

We present the discovery of eclipses in the X-ray light curves of the X-ray binary Swift J1858.6-0814. From these, we find an orbital period of s ($\appro…

astro-ph.HE2021★ 20 cited

Long-term coherent timing of the accreting millisecond pulsar IGR J17062-6143

Peter Bult, Tod E. Strohmayer, Christian Malacaria +2

We report on a coherent timing analysis of the 163 Hz accreting millisecond X-ray pulsar IGR J17062-6143. Using data collected with the Neutron Star Interior Composition Explorer a…

astro-ph.HE2021★ 145 cited

The ART-XC telescope on board the SRG observatory

M. Pavlinsky, A. Tkachenko, V. Levin +59

ART-XC (Astronomical Roentgen Telescope - X-ray Concentrator) is the hard X-ray instrument with grazing incidence imaging optics on board the Spektr-Roentgen-Gamma (SRG) observator…

astro-ph.HE2021★ 26 cited

NICER Discovery of Millisecond X-ray Pulsations and an Ultracompact Orbit in IGR J17494-3030

Mason Ng, Paul S. Ray, Peter Bult +11

We report the detection of 376.05 Hz (2.66 ms) coherent X-ray pulsations in NICER observations of a transient outburst of the low-mass X-ray binary IGR J17494-3030 in 2020 October/…

astro-ph.HE2021★ 17 cited

Thermonuclear X-ray Bursts with late secondary peaks observed from 4U 1608-52

Tolga Guver, Tugba Boztepe, Ersin Gogus +11

We report the temporal and spectral analysis of three thermonuclear X-ray bursts from 4U 1608-52, observed by the Neutron Star Interior Composition Explorer (NICER) during and just…

astro-ph.HE2021★ 70 cited

Identification of a Local Sample of Gamma-Ray Bursts Consistent with a Magnetar Giant Flare Origin

E. Burns, D. Svinkin, K. Hurley +23

Cosmological Gamma-Ray Bursts (GRBs) are known to arise from distinct progenitor channels: short GRBs mostly from neutron star mergers and long GRBs from a rare type of core-collap…

astro-ph.HE2021★ 14 cited

X-ray pulsar XTE J1858+034: discovery of the cyclotron line and the revised optical identification

Sergey S. Tsygankov, Alexander A. Lutovinov, Sergey V. Molkov +7

We present results of a detailed investigation of the poorly studied X-ray pulsar XTE J1858+034 based on the data obtained with the NuSTAR observatory during the outburst of the so…

astro-ph.HE2021★ 10 cited

The X-ray pulsar XTE J1858+034 observed with NuSTAR and Fermi/GBM: spectral and timing characterization plus a cyclotron line

C. Malacaria, P. Kretschmar, K. K. Madsen +7

Accreting X-ray pulsars (XRPs) undergo luminous X-ray outbursts during which the spectral and timing behavior of the neutron star can be studied in detail. We analyze a ob…

astro-ph.HE2021★ 74 cited

Rapid Spectral Variability of a Giant Flare from a Magnetar in NGC 253

O. J. Roberts, P. Veres, M. G. Baring +18

Magnetars are slowly-rotating neutron stars with extremely strong magnetic fields ( G), episodically emitting ms long X-ray bursts with energies of $\sim10^{4…

astro-ph.HE2021★ 101 cited

A bright gamma-ray flare interpreted as a giant magnetar flare in NGC 253

D. Svinkin, D. Frederiks, K. Hurley +33

Magnetars are young, highly magnetized neutron stars that produce extremely rare giant flares of gamma-rays, the most luminous astrophysical phenomena in our Galaxy. The detection…