output
20082026
most citedDark Matter Search Results from a One TonneYear Exposure of XENON1T

1.8k citations

Showing astro-ph.HEShow all

151 papers · 1 filter

astro-ph.HE2026

GRB 260310A / SN 2026fgk: A Multi-Wavelength Study of a Nearby Underluminous Long GRB and SN with a Complex Afterglow

Ramandeep Gill, Rosa L. Becerra, Antonio de Ugarte Postigo +54

We present a comprehensive multi-wavelength study of GRB 260310A / SN 2026fgk, a nearby (), long-duration gamma-ray burst (GRB) with an exceptionally underluminous prompt…

astro-ph.HE2025

Flashing fast: characterising the 2025 outburst of MAXI J1957+032

A. Sanna, G. Illiano, M. C. Baglio +13

MAXI J1957+032 is an accreting millisecond X-ray pulsar that shows brief, recurrent outbursts in an ultra-compact ~1 h orbit. We characterise the 2025 outburst using X-ray timing a…

astro-ph.HE2025

1FLAT: a Firmamento-based catalog of AGN in Fermi-LAT high Galactic latitude γ-ray sources

P. Giommi, M. Doro, M. Gouvêa +15

We present a systematic reassessment of 5,062 high-Galactic latitude gamma-ray sources from the Fermi-LAT 4FGL-DR4 catalog using Firmamento, a web-based platform for multi-frequenc…

astro-ph.HE2025★ 3 cited

Evidence of Energy Injection in the Short and Distant GRB 250221A in a High Density Environment

Camila Angulo-Valdez, Rosa L. Becerra, Ramandeep Gill +29

We present the photometric and spectroscopic analysis of the short-duration GRB 250221A ( s), using a data set from the optical facilities COLIBRÍ, the Harlingt…

astro-ph.HE2025

Infrared Synchrotron Emission in the Soft State of GX 339-4 and the Mid-Infrared/X-ray Luminosity Plane of Black Hole X-ray Binaries

P. Gandhi, D. M. Russell, M. C. Baglio +33

Progress in understanding the growth of accreting black holes remains hampered by a lack of sensitive coordinated multiwavelength observations. In particular, the mid-infrared (MIR…

astro-ph.HE2025★ 4 cited

A Hidden Pulse: Uncovering a New Timing Signal in Cygnus X-1 with AstroSat

Sandeep K. Rout, Federico Garcia, Mariano Mendez +4

The study of fast variability properties in X-ray binaries advances our understanding of the physical processes and geometric properties of the accretion flow around the compact ob…

astro-ph.HE2025★ 2 cited

NuSTAR and XMM-Newton Observations of PSR J1930+1852 and Its Pulsar Wind Nebula

J. A. J. Alford, G. -B. Zhang, J. D. Gelfand

Synchrotron X-ray emission from a pulsar wind nebula (PWN) is a sensitive probe of its magnetic field and high-energy particle population. Here we analyze contemporaneous NuSTAR an…

astro-ph.HE2025★ 9 cited

Timing analysis of the black-hole candidate Swift J1727.8-1613: detection of a dip-like feature in the high-energy cross spectrum

Pei Jin, Mariano Méndez, Federico García +3

We present a timing analysis of observations with the Hard X-ray Modulation Telescope of the black hole X-ray transient Swift J1727.8-1613 during its 2023 outburst. We detect, for…

astro-ph.HE2025★ 1 cited

On the distance to the black hole X-ray binary Swift J1727.81613

Benjamin J. Burridge, James C. A. Miller-Jones, Arash Bahramian +11

We review the existing distance estimates to the black hole X-ray binary Swift J1727.81613, present new radio and near-UV spectra to update the distance constraints, and discuss…

astro-ph.HE2024★ 4 cited

Fast X-ray/IR observations of the black hole transient Swift~J1753.5--0127: from an IR lead to a very long jet lag

Alberto Ulgiati, Federico Maria Vincentelli, Piergiorgio Casella +16

We report on two epochs of simultaneous near-infrared (IR) and X-ray observations with a sub-second time resolution of the low mass X-ray binary black hole candidate Swift J1753.5-…

astro-ph.HE2024★ 13 cited

A multi-wavelength study of the hard and soft states of MAXI J1820+070 during its 2018 outburst

Srimanta Banerjee, Gulab C. Dewangan, Christian Knigge +8

We present a comprehensive multi-wavelength spectral analysis of the black hole X-ray binary MAXI J1820+070 during its 2018 outburst, utilizing AstroSat far UV, soft and hard X-ray…

astro-ph.HE2023★ 6 cited

Evidence for a dynamic corona in the short-term time lags of black hole X-ray binary MAXI J1820+070

Niek Bollemeijer, Phil Uttley, Arkadip Basak +19

In X-ray observations of hard state black hole X-ray binaries, rapid variations in accretion disc and coronal power-law emission are correlated and show Fourier-frequency-dependent…

astro-ph.HE2023★ 35 cited

Correlating high-energy IceCube neutrinos with 5BZCAT blazars and RFC sources

Chiara Bellenghi, Paolo Padovani, Elisa Resconi +1

We investigate the possibility that blazars in the Roma-BZCAT Multifrequency Catalogue of Blazars (5BZCAT) are sources of the high-energy astrophysical neutrinos detected by the Ic…

astro-ph.HE2023

Hard X-ray observation and multiwavelength study of the PeVatron candidate pulsar wind nebula "Dragonfly"

Jooyun Woo, Hongjun An, Joseph D. Gelfand +5

We studied the PeVatron nature of the pulsar wind nebula G75.2+0.1 ("Dragonfly") as part of our NuSTAR observational campaign of energetic PWNe. The Dragonfly is spatially coincide…

astro-ph.HE2023★ 1 cited

SALT spectroscopy of the HMXB associated with the LMC supernova remnant MCSNR\,J05136724

Vasilii Gvaramadze, Alexei Kniazev, Norberto Castro +1

We report the results of optical échelle spectroscopy with the Southern African Large Telescope (SALT) of the mass donor star BSDL\,923 in the neutron star (NS) high-mass X-ray bin…

astro-ph.HE2023★ 12 cited

Seven reflares, a mini-outburst and an outburst : High amplitude optical variations in the black hole X-ray binary Swift J1910.2-0546

Payaswini Saikia, David M. Russell, Saarah F. Pirbhoy +5

We present long-term (2012-2022) optical monitoring of the candidate black hole X-ray binary Swift J1910.2-0546 with the Faulkes Telescopes and Las Cumbres Observatory (LCO) networ…

astro-ph.HE2023★ 25 cited

A NICER look at the jet-like corona of MAXI J1535-571 through type-B quasi-periodic oscillations

Yuexin Zhang, Mariano Méndez, Federico García +7

MAXI J1535-571 is a black-hole X-ray binary that in 2017 exhibited a very bright outburst which reached a peak flux of up to 5 Crab in the 2-20 keV band. Given the high flux, sever…

astro-ph.HE2023★ 8 cited

Broadband X-ray Spectroscopy of the Pulsar Wind Nebula in HESS J1640-465

Moaz Abdelmaguid, Joseph D Gelfand, Eric Gotthelf +1

We present updated measurements of the X-ray properties of the pulsar wind nebula associated with the TeV -ray source HESS J1640-465 derived from Chandra & NuSTAR data. We repor…

astro-ph.HE2023★ 16 cited

The spectra of IceCube Neutrino (SIN) candidate sources -- III. Optical spectroscopy and source characterization of the full sample

Simona Paiano, Renato Falomo, Aldo Treves +5

A correlation between astrophysical high-energy neutrinos and blazars has been suggested by various authors. In particular, a likely association between IceCube events and intermed…

astro-ph.HE2023★ 6 cited

Fermi-LAT Gamma-ray Emission Discovered from the Composite Supernova Remnant B0453-685 in the Large Magellanic Cloud

Jordan Eagle, Daniel Castro, Peter Mahhov +7

We report the second extragalactic pulsar wind nebula (PWN) to be detected in the MeV-GeV band by the Fermi-LAT, located within the Large Magellanic Cloud (LMC). The only other kno…

astro-ph.HE2023★ 36 cited

Neutron star mass estimates from gamma-ray eclipses in spider millisecond pulsar binaries

C. J. Clark, M. Kerr, E. D. Barr +26

Reliable neutron star mass measurements are key to determining the equation-of-state of cold nuclear matter, but these are rare. "Black Widows" and "Redbacks" are compact binaries…

astro-ph.HE2023★ 5 cited

New upper limits on low-frequency radio emission from isolated neutron stars with LOFAR

Inés Pastor-Marazuela, Samayra M. Straal, Joeri van Leeuwen +1

Neutron stars that show X-ray and -ray pulsed emission must, somewhere in the magnetosphere, generate electron-positron pairs. Such pairs are also required for radio emission, b…

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★ 11 cited

Discovery of GeV gamma-ray emission from PWN Kes 75 and PSR J1846-0258

Samayra M. Straal, Joseph D. Gelfand, Jordan L. Eagle

We report the detection of gamma-ray emission from PWN Kes 75 and PSR J1846-0258. Through modeling the spectral energy distribution incorporating the new Fermi-LAT data, we find th…