output
19922026
Showing 2020 · astro-ph.HEShow all

92 papers · 2 filters

astro-ph.HE2020★ 31 cited

Sensitivity of future liquid argon dark matter search experiments to core-collapse supernova neutrinos

P. Agnes, S. Albergo, I. F. M. Albuquerque +273

Future liquid-argon DarkSide-20k and ARGO detectors, designed for direct dark matter search, will be sensitive also to core-collapse supernova neutrinos, via coherent elastic neutr…

astro-ph.HE2020★ 4 cited

Stellar wind structures in the eclipsing binary system IGR J18027-2016

Federico A. Fogantini, Federico García, Jorge A. Combi +1

IGR J18027-2016 is an obscured high-mass X-ray binary formed by a neutron star accreting from the wind of a supergiant companion with a 4.57 day orbital period. The source sh…

astro-ph.HE2020★ 31 cited

Observation of a sudden cessation of a very-high-energy gamma-ray flare in PKS 1510-089 with H.E.S.S. and MAGIC in May 2016

H. E. S. S. Collaboration, H. Abdalla, R. Adam +430

The flat spectrum radio quasar (FSRQ) PKS 1510-089 is known for its complex multiwavelength behavior, and is one of only a few FSRQs detected at very high energy (VHE, GeV…

astro-ph.HE2020★ 12 cited

Radio-to-gamma-ray synchrotron and neutrino emission from proton-proton interactions in active galactic nuclei

Andrii Neronov, Dmitry Semikoz

We explore possible physical origin of correlation between radio wave and very-high-energy neutrino emission in active galactic nuclei (AGN), suggested by recently reported evidenc…

astro-ph.HE2020★ 23 cited

Observations of the Disk/Jet Coupling of MAXI J1820+070 During its Descent to Quiescence

A. W. Shaw, R. M. Plotkin, J. C. A. Miller-Jones +8

Black hole X-ray binaries in the quiescent state (Eddington ratios typically 10) display softer X-ray spectra (photon indices ) compared to higher-luminosi…

astro-ph.HE2020★ 5 cited

Detecting the brightest HAWC sources with IceCube in the upcoming years

Viviana Niro

Among the gamma-ray sources detected by the HAWC observatory, we consider in details in this work the gamma-ray sources eHWC J1907+063 and eHWC J2019+368. These two sources belong…

astro-ph.HE2020★ 15 cited

The INTEGRAL view of the pulsating hard X-ray sky: from accreting and transitional millisecond pulsars to rotation-powered pulsars and magnetars

A. Papitto, M. Falanga, W. Hermsen +30

In the last 25 years, a new generation of X-ray satellites imparted a significant leap forward in our knowledge of X-ray pulsars. The discovery of accreting and transitional millis…

astro-ph.HE2020★ 51 cited

Diving below the spin-down limit: Constraints on gravitational waves from the energetic young pulsar PSR J0537-6910

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1589

We present a search for continuous gravitational-wave signals from the young, energetic X-ray pulsar PSR J0537-6910 using data from the second and third observing runs of LIGO and…

astro-ph.HE2020★ 17 cited

The potential role of binary neutron star merger afterglows in multimessenger cosmology

S. Mastrogiovanni, R. Duque, E. Chassande-Mottin +2

Binary neutron star mergers offer a new and independent means of measuring the Hubble constant by combining the gravitational-wave inferred source luminosity distance with it…

astro-ph.HE2020★ 30 cited

Optical spectroscopy of Blazars for the Cherenkov Telescope Array

P. Goldoni, S. Pita, C. Boisson +14

Context. Blazars are the most numerous class of High Energy (HE; E about 50 MeV - few 100 GeV) and Very High Energy (VHE; E about 100 GeV - 10 TeV) gamma-ray emitters. As of today,…

astro-ph.HE2020★ 5 cited

Detection of short high-energy transients in the localuniverse with SVOM/ECLAIRs

B. Arcier, JL. Atteia, O. Godet +7

The coincidental detection of the gravitational wave event GW 170817 and the associated gamma-ray burst GRB 170817A marked the advent of multi-messenger astronomy and represented a…

astro-ph.HE2020★ 11 cited

Multi-messenger astronomy with INTEGRAL

C. Ferrigno, V. Savchenko, A. Coleiro +19

At the time of defining the science objectives of the INTernational Gamma-Ray Astrophysics Laboratory (INTEGRAL), such a rapid and spectacular development of multi-messenger astron…

astro-ph.HE2020★ 13 cited

Interstellar anatomy of the TeV gamma-ray peak in the IC443 supernova remnant

P. Dell'Ova, A. Gusdorf, M. Gerin +11

Supernovae remnants (SNRs) represent a major feedback source from stars on the interstellar medium of galaxies. During the latest stage of supernovae explosions, shock waves produc…

astro-ph.HE2020★ 23 cited

Diffuse Radio Emission from Galaxy Clusters in the LOFAR Two-metre Sky Survey Deep Fields

E. Osinga, R. J. van Weeren, J. Boxelaar +15

Low-frequency radio observations are revealing an increasing number of diffuse synchrotron sources from galaxy clusters, dominantly in the form of radio halos or radio relics. The…

astro-ph.HE2020★ 5 cited

Anihelium flux from antimatter globular cluster

M. Yu. Khlopov, A. O. Kirichenko, A. G. Mayorov

Macroscopic cosmic antimatter objects are predicted in baryonasymmetrical Universe in the models of strongly nonhomogeneousbaryosynthesis. We test the hypothesis of the existence o…

astro-ph.HE2020★ 11 cited

INTEGRAL discovery of a high-energy tail in the microquasar Cygnus X-3

F. Cangemi, J. Rodriguez, V. Grinberg +3

The X-ray spectra of X-ray binaries are dominated by emission of either soft or hard X-rays which defines their soft and hard spectral states. Cygnus X-3 is amongst the list of X-r…

astro-ph.HE2020★ 13 cited

Understanding and improving the timing of PSR J0737-3039B

Aristeidis Noutsos, G. Desvignes, M. Kramer +11

The double pulsar (PSR J0737-3039A/B) provides some of the most stringent tests of general relativity (GR) and its alternatives. The success of this system in tests of GR is largel…

astro-ph.HE2020★ 12 cited

ANTARES upper limits on the multi-TeV neutrino emission from the GRBs detected by IACTs

ANTARES Collaboration, A. Albert, M. André +135

The first gamma-ray burst detections by Imaging Atmospheric Cherenkov Telescopes have been recently announced: GRB 190114C, detected by MAGIC, GRB 180720B and GRB 190829A, observed…

astro-ph.HE2020★ 25 cited

Optimizing Serendipitous Detections of Kilonovae: Cadence and Filter Selection

Mouza Almualla, Shreya Anand, Michael W. Coughlin +9

The rise of multi-messenger astronomy has brought with it the need to exploit all available data streams and learn more about the astrophysical objects that fall within its breadth…

astro-ph.HE2020★ 42 cited

The theory of cosmic-ray scattering on pre-existing MHD modes meets data

Ottavio Fornieri, Daniele Gaggero, Silvio Sergio Cerri +2

We present a comprehensive study about the phenomenological implications of the theory describing Galactic cosmic-ray scattering onto magnetosonic and Alfvénic fluctuations in the…

astro-ph.HE2020★ 98 cited

SNEWS 2.0: A Next-Generation SuperNova Early Warning System for Multi-messenger Astronomy

S. Al Kharusi, S. Y. BenZvi, J. S. Bobowski +68

The next core-collapse supernova in the Milky Way or its satellites will represent a once-in-a-generation opportunity to obtain detailed information about the explosion of a star a…

astro-ph.HE2020★ 2 cited

Time-dependent escape of cosmic rays from supernova remnants potentially at the origin of the very-high-energy cosmic-ray gradient of the Galactic center

L. Jouvin, A. Lemière, R. Terrier

The distribution of the very-high-energy diffuse emission in the inner 200 pc measured by HE.S.S. indicates the existence of a pronounced cosmic-ray (CR) gradient peaking on the Ga…

astro-ph.HE2020★ 18 cited

Probing jet launching in neutron star X-ray binaries: the variable and polarized jet of SAX J1808.4-3658

M. C. Baglio, D. M. Russell, S. Crespi +16

We report on an optical photometric and polarimetric campaign on the accreting millisecond X-ray pulsar (AMXP) SAX J1808.4-3658 during its 2019 outburst. The emergence of a low-fre…

astro-ph.HE2020★ 8 cited

Investigating the mini and giant radio flare episodes of Cygnus X-3

E. Egron, A. Pellizzoni, S. Righini +16

The microquasar Cygnus X-3 underwent a giant radio flare in April 2017, reaching a maximum flux of Jy at 8.5 GHz. We present results from a long monitoring campaign car…