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

9.8k citations

Showing 2022 · astro-ph.HEShow all

26 papers · 2 filters

astro-ph.HE2022★ 58 cited

Accretion geometry of the neutron star low mass X-ray binary Cyg X-2 from X-ray polarization measurements

R. Farinelli, S. Fabiani, J. Poutanen +92

We report spectro-polarimetric results of an observational campaign of the bright neutron star low-mass X-ray binary Cyg X-2 simultaneously observed by IXPE, NICER and INTEGRAL. Co…

astro-ph.HE2022★ 36 cited

Polarization properties of the weakly magnetized neutron star X-ray binary GS 1826-238 in the high soft state

Fiamma Capitanio, Sergio Fabiani, Andrea Gnarini +94

The launch of the Imaging X-ray Polarimetry Explorer (IXPE) on 2021 December 9 has opened a new window in X-ray astronomy. We report here the results of the first IXPE observation…

astro-ph.HE2022★ 42 cited

Mapping the circumnuclear regions of the Circinus galaxy with the Imaging X-ray Polarimetry Explorer

F. Ursini, A. Marinucci, G. Matt +94

We report on the Imaging X-ray Polarimetry Explorer (IXPE) observation of the closest and X-ray brightest Compton-thick active galactic nucleus (AGN), the Circinus galaxy. We find…

astro-ph.HE2022★ 7 cited

Temporal and Spectral Evolution of Gamma-ray Burst Broad Pulses: Identification of High Latitude Emission in the Prompt Emission

Donggeun Tak, Z. Lucas Uhm, Judith Racusin +5

We perform a detailed analysis on broad pulses in bright Gamma-ray bursts (GRBs) to understand the evolution of GRB broad pulses. Using the temporal and spectral properties, we tes…

astro-ph.HE2022★ 82 cited

The Birth of a Relativistic Jet Following the Disruption of a Star by a Cosmological Black Hole

Dheeraj R. Pasham, Matteo Lucchini, Tanmoy Laskar +63

A black hole can launch a powerful relativistic jet after it tidally disrupts a star. If this jet fortuitously aligns with our line of sight, the overall brightness is Doppler boos…

astro-ph.HE2022★ 44 cited

X-ray Polarization Observations of BL Lacertae

Riccardo Middei, Ioannis Liodakis, Matteo Perri +143

Blazars are a class of jet-dominated active galactic nuclei with a typical double-humped spectral energy distribution. It is of common consensus the Synchrotron emission to be resp…

astro-ph.HE2022★ 10 cited

Chandra measurements of gas homogeneity and turbulence at intermediate radii in the Perseus Cluster

Martijn de Vries, Adam B. Mantz, Steven W. Allen +6

We present a Chandra study of surface brightness fluctuations in the diffuse intracluster medium of the Perseus Cluster. Our study utilizes deep, archival imaging of the cluster co…

astro-ph.HE2022★ 8 cited

Fermi Gamma-ray Space Telescope

David J. Thompson, Colleen A. Wilson-Hodge

The Fermi Gamma-ray Space Telescope, a key mission in multiwavelength and multimessenger studies, has been surveying the gamma-ray sky from its low-Earth orbit since 2008. Its two…

astro-ph.HE2022★ 22 cited

Observations of 4U 1626-67 with the Imaging X-ray Polarimetry Explorer

Herman L. Marshall, Mason Ng, Daniele Rogantini +91

We present measurements of the polarization of X-rays in the 2-8 keV band from the pulsar in the ultracompact low mass X-ray binary 4U1626-67 using data from the Imaging X-ray Pola…

astro-ph.HE2022★ 89 cited

The X-ray Polarization View of Mrk~421 in an Average Flux State as Observed by the Imaging X-ray Polarimetry Explorer

Laura Di Gesu, Immacolata Donnarumma, Fabrizio Tavecchio +100

Particle acceleration mechanisms in supermassive black hole jets, such as shock acceleration, magnetic reconnection, and turbulence, are expected to have observable signatures in t…

astro-ph.HE2022★ 53 cited

The X-ray polarimetry view of the accreting pulsar Cen X-3

Sergey S. Tsygankov, Victor Doroshenko, Juri Poutanen +95

Cen X-3 is the first X-ray pulsar discovered 50 years ago. Radiation from such objects is expected to be highly polarized due to birefringence of plasma and vacuum associated with…

astro-ph.HE2022★ 140 cited

Polarized Blazar X-rays imply particle acceleration in shocks

Ioannis Liodakis, Alan P. Marscher, Iván Agudo +125

Most of the light from blazars, active galactic nuclei with jets of magnetized plasma that point nearly along the line of sight, is produced by high-energy particles, up to $\sim 1…

astro-ph.HE2022★ 28 cited

Model-based cross-correlation search for gravitational waves from the low-mass X-ray binary Scorpius X-1 in LIGO O3 data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1692

We present the results of a model-based search for continuous gravitational waves from the low-mass X-ray binary Scorpius X-1 using LIGO detector data from the third observing run…

astro-ph.HE2022★ 55 cited

Polarization constraints on the X-ray corona in Seyfert Galaxies: MCG-05-23-16

A. Marinucci, F. Muleri, M. Dovčiak +97

We report on the first observation of a radio-quiet Active Galactic Nucleus (AGN) using polarized X-rays: the Seyfert 1.9 galaxy MCG-05-23-16. This source was pointed with the Imag…

astro-ph.HE2022★ 24 cited

Limits on X-ray Polarization at the Core of Centaurus A as Observed with the Imaging X-ray Polarimetry Explorer

Steven R. Ehlert, Riccardo Ferrazzoli, Andrea Marinucci +95

We present measurements of the polarization of X-rays in the band from the nucleus of the radio galaxy Centaurus A (Cen A), using a 100ks observation…

astro-ph.HE2022★ 65 cited

Searches for Neutrinos from Gamma-Ray Bursts using the IceCube Neutrino Observatory

R. Abbasi, M. Ackermann, J. Adams +378

Gamma-ray bursts (GRBs) are considered as promising sources of ultra-high-energy cosmic rays (UHECRs) due to their large power output. Observing a neutrino flux from GRBs would off…

astro-ph.HE2022★ 173 cited

Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1

Henric Krawczynski, Fabio Muleri, Michal Dovčiak +111

A black hole x-ray binary (XRB) system forms when gas is stripped from a normal star and accretes onto a black hole, which heats the gas sufficiently to emit x-rays. We report a po…

astro-ph.HE2022★ 73 cited

Determination of X-ray pulsar geometry with IXPE polarimetry

Victor Doroshenko, Juri Poutanen, Sergey S. Tsygankov +91

Using observations of X-ray pulsar Her X-1 by the Imaging X-ray Polarimetry Explorer, we report on a highly significant () detection of the polarization signal from an accret…

astro-ph.HE2022★ 40 cited

X-ray polarization detection of Cassiopeia A with IXPE

Jacco Vink, Dmitry Prokhorov, Riccardo Ferrazzoli +92

We report on a detection of polarized 3-6 keV X-ray emission from the supernova remnant Cassiopeia A with the Imaging X-ray Polarimetry Explorer (IXPE). The overall polar…

astro-ph.HE2022★ 14 cited

Gamma/Hadron Separation with the HAWC Observatory

R. Alfaro, C. Alvarez, J. D. Álvarez +90

The High Altitude Water Cherenkov (HAWC) gamma-ray observatory observes atmospheric showers produced by incident gamma rays and cosmic rays with energy from 300 GeV to more than 10…

astro-ph.HE2022★ 73 cited

Polarized x-rays from a magnetar

Roberto Taverna, Roberto Turolla, Fabio Muleri +93

We report on the first detection of linearly polarized x-ray emission from an ultra-magnetized neutron star with the Imaging X-ray Polarimetry Explorer (IXPE). The IXPE 35 observat…

astro-ph.HE2022★ 70 cited

Search for continuous gravitational wave emission from the Milky Way center in O3 LIGO--Virgo data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1667

We present a directed search for continuous gravitational wave (CW) signals emitted by spinning neutron stars located in the inner parsecs of the Galactic Center (GC). Compelling e…

astro-ph.HE2022★ 10 cited

In search of short gamma-ray burst optical counterpart with the Zwicky Transient Facility

Tomás Ahumada, Shreya Anand, Michael W. Coughlin +46

The Fermi Gamma-ray Burst Monitor (GBM) triggers on-board in response to 40 short gamma-ray bursts (SGRBs) per year; however, their large localization regions have made the…

astro-ph.HE2022★ 7 cited

The Second Catalog of Interplanetary Network Localizations of Konus Short Duration Gamma-Ray Bursts

D. Svinkin, K. Hurley, A. Ridnaia +72

We present the catalog of Interplanetary Network (IPN) localizations for 199 short-duration gamma-ray bursts (sGRBs) detected by the Konus-Wind (KW) experiment between 2011 January…