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19912026
Showing 2022 · astro-ph.HEShow all

45 papers · 2 filters

astro-ph.HE2022★ 7 cited

Impact of a binary black hole on its outer circumbinary disc

Raphaël Mignon-Risse, Peggy Varniere, Fabien Casse

Accreting supermassive binary black holes (SMBBHs) are potential targets for multi-messenger astronomy as they emit gravitational waves (GW) while their environment emits electroma…

astro-ph.HE2022★ 58 cited

Hint for a TeV neutrino emission from the Galactic Ridge with ANTARES

A. Albert, S. Alves, M. André +151

Interactions of cosmic ray protons, atomic nuclei, and electrons in the interstellar medium in the inner part of the Milky Way produce a -ray flux from the Galactic Ridge. If th…

astro-ph.HE2022★ 12 cited

Standing Accretion Shock Instability in the Collapse of a Rotating Stellar Core

Laurie Walk, Thierry Foglizzo, Irene Tamborra

Hydrodynamical instabilities, such as the standing accretion-shock instability (SASI), play an essential role in the dynamics of core-collapse supernovae, with observable imprints…

astro-ph.HE2022★ 7 cited

MeV-GeV Gamma-ray Emission from SNR G327.1-1.1 Discovered by the Fermi-LAT

Jordan Eagle, Daniel Castro, Tea Temim +5

We report the discovery of MeV-GeV gamma-ray emission by the Fermi-LAT positionally coincident with the TeV pulsar wind nebula (PWN) HESS~J1554-550 within the host supernova remnan…

astro-ph.HE2022★ 7 cited

Rapid radio brightening of GRB 210702A

G. E. Anderson, T. D. Russell, H. M. Fausey +16

We observed the rapid radio brightening of GRB 210702A with the Australian Telescope Compact Array (ATCA) just 11hr post-burst, tracking early-time radio variability over a 5hr per…

astro-ph.HE2022★ 1 cited

Classification of 3 accreting binaries with VLT/X-Shooter spectra

Tristan Bouchet, Sylvain Chaty, Francis Fortin +1

Since its launch, the INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) satellite has discovered hundreds of X-ray sources, many of which lack proper classification. This…

astro-ph.HE2022★ 129 cited

The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope -- Data Release 3

LAT collaboration, Marco Ajello, Luca Baldini +100

An incremental version of the fourth catalog of active galactic nuclei (AGNs) detected by the Fermi-Large Area Telescope is presented. This version (4LAC-DR3) derives from the thir…

astro-ph.HE2022★ 12 cited

Gamma-ray observations of MAXI J1820+070 during the 2018 outburst

H. Abe, S. Abe, V. A. Acciari +439

MAXI J1820+070 is a low-mass X-ray binary with a black hole as a compact object. This binary underwent an exceptionally bright X-ray outburst from March to October 2018, showing ev…

astro-ph.HE2022★ 39 cited

Three-dimensional core-collapse supernovae with complex magnetic structures: II. Rotational instabilities and multi-messenger signatures

Matteo Bugli, Jérôme Guilet, Thierry Foglizzo +1

The gravitational collapse of rapidly rotating massive stars can lead to the onset of the low instability within the central proto-neutron star (PNS), which leaves strong…

astro-ph.HE2022★ 19 cited

Toward the ultimate reach of current imaging atmospheric Cherenkov telescopes and their sensitivity to TeV dark matter

Alessandro Montanari, Emmanuel Moulin, Nicholas L. Rodd

Indirect detection opens a unique window for probing thermal dark matter (DM): the same annihilation process that determined the relic abundance in the early Universe drives the pr…

astro-ph.HE2022★ 24 cited

Multi-wavelength study of the galactic PeVatron candidate LHAASO J2108+5157

S. Abe, A. Aguasca-Cabot, I. Agudo +267

LHAASO J2108+5157 is one of the few known unidentified Ultra-High-Energy (UHE) gamma-ray sources with no Very-High-Energy (VHE) counterpart, recently discovered by the LHAASO colla…

astro-ph.HE2022★ 15 cited

Absorption lines from magnetically driven winds in X-ray binaries II: high resolution observational signatures expected from future X-ray observatories

Susmita Chakravorty, Pierre-Olivier Petrucci, Sudeb Ranjan Datta +12

In our self-similar, analytical, magneto-hydrodynamic (MHD) accretion-ejection solution, the density at the base of the outflow is explicitly dependent on the disk accretion rate -…

astro-ph.HE2022★ 4 cited

Analysis methods to localize and characterize X-ray sources with the Micro-channel X-ray Telescope on board the SVOM satellite

Shaymaa Hussein, Florent Robinet, Martin Boutelier +3

SVOM is a Sino-French space mission targeting high-energy transient astrophysical objects such as gamma-ray bursts. The soft X-ray part of the spectrum is covered by the Micro-chan…

astro-ph.HE2022★ 4 cited

Constraining leptonic emission scenarios for the PeVatron candidate HESS J1702-420 with deep XMM-Newton observations

L. Giunti, F. Acero, B. Khelifi +3

The unidentified TeV source HESS J1702-420 has recently been proposed as a new hadronic PeVatron candidate, based on the discovery of a small-scale emission sub-region with extreme…

astro-ph.HE2022★ 8 cited

The spectral-timing analysis of Cygnus X-1 with Insight-HXMT

M. Zhou, V. Grinberg, Q. -C. Bu +12

Cygnus X-1, as the first discovered black hole binary, is a key source for understanding the mechanisms of state transitions, and the scenarios of accretion in extreme gravity fiel…

astro-ph.HE2022★ 28 cited

The supernova remnant SN 1006 as a Galactic particle accelerator

Roberta Giuffrida, Marco Miceli, Damiano Caprioli +6

The origin of cosmic rays is a pivotal open issue of high-energy astrophysics. Supernova remnants are strong candidates to be the Galactic factory of cosmic rays, their blast waves…

astro-ph.HE2022★ 5 cited

Limits on the nuclearite flux using the ANTARES neutrino telescope

ANTARES Collaboration, A. Albert, S. Alves +143

In this work, a search for nuclearites of strange quark matter by using nine years of ANTARES data taken in the period 2009-2017 is presented. The passage through matter of these p…

astro-ph.HE2022★ 11 cited

Search for primordial black hole dark matter with X-ray spectroscopic and imaging satellite experiments and prospects for future satellite missions

Denys Malyshev, Emmanuel Moulin, Andrea Santangelo

Ultra-light primordial black holes (PBHs) in the mass range of 10 - 10 g are allowed by current observations to constitute a significant fraction, if not all, of the…

astro-ph.HE2022★ 103 cited

CRPropa 3.2 -- an advanced framework for high-energy particle propagation in extragalactic and galactic spaces

Rafael Alves Batista, Julia Becker Tjus, Julien Dörner +14

The landscape of high- and ultra-high-energy astrophysics has changed in the last decade, largely due to the inflow of data collected by large-scale cosmic-ray, gamma-ray, and neut…

astro-ph.HE2022

The black hole X-ray binary MAXI J1348630 in quiescence

F. Carotenuto, S. Corbel, A. Tzioumis

The properties of the disk/jet coupling in quiescent black hole low mass X-ray binaries (BH LMXBs) are still largely unknown. In this paper we present the first quasi-simultaneous…

astro-ph.HE2022★ 98 cited

Search for dark matter annihilation signals in the H.E.S.S. Inner Galaxy Survey

H. E. S. S. Collaboration, H. Abdalla, F. Aharonian +137

The central region of the Milky Way is one of the foremost locations to look for dark matter (DM) signatures. We report the first results on a search for DM particle annihilation s…

astro-ph.HE2022★ 3 cited

The strongest cool core in REXCESS: Missing X-ray cavities in RXC J2014.8-2430

Tony Mroczkowski, Megan Donahue, Joshiwa van Marrewijk +8

We present a multiwavelength study of RXC J2014.8-2430, the most extreme cool-core cluster in the Representative Cluster Structure Survey (REXCESS), using X-…

astro-ph.HE2022★ 50 cited

A deep spectromorphological study of the -ray emission surrounding the young massive stellar cluster Westerlund 1

F. Aharonian, H. Ashkar, M. Backes +156

Young massive stellar clusters are extreme environments and potentially provide the means for efficient particle acceleration. Indeed, they are increasingly considered as being res…

astro-ph.HE2022★ 11 cited

Search for periodicities in High Energy AGNs with a time-domain approach

Héctor Rueda, Jean-François Glicenstein, François Brun

This paper investigates a new methodology to search for periods in light-curves of high-energy gamma-ray sources such as Active Galactic Nuclei (AGNs). High-energy light curves hav…