output
19932026
most citedThe Large Area Telescope on the Fermi Gamma-ray Space Telescope Mission

4.1k citations

Showing 2021 · astro-ph.HEShow all

20 papers · 2 filters

astro-ph.HE2021★ 24 cited

The supernova of the MAGIC GRB190114C

A. Melandri, L. Izzo, E. Pian +42

We observed GRB190114C (redshift z = 0.4245), the first GRB ever detected at TeV energies, at optical and near-infrared wavelengths with several ground-based telescopes and the Hub…

astro-ph.HE2021★ 22 cited

Properties of High-Redshift GRBs

Chris L. Fryer, Amy Y. Lien, Andrew Fruchter +5

The immense power of gamma-ray bursts (GRBs) make them ideal probes of the early universe. By using absorption lines in the afterglows of high-redshift GRBs, astronomers can study…

astro-ph.HE2021★ 6 cited

Fitting XMM-Newton Observations of the AXP 1RXS J170849.0-400910 with four magnetar surface emission models, and predictions for X-ray polarization observations with IXPE

Henric Krawczynski, Roberto Taverna, Roberto Turolla +2

Phase-resolved spectral and spectropolarimetric X-ray observations of magnetars present us with the opportunity to test models of the origin of the X-ray emission from these object…

astro-ph.HE2021★ 18 cited

NICER study of pulsed thermal X-rays from Calvera: a neutron star born in the Galactic halo?

S. Mereghetti, M. Rigoselli, R. Taverna +4

Calvera (1RXS J141256.0+792204) is an isolated neutron star detected only through its thermal X-ray emission. Its location at high Galactic latitude () is unusual if C…

astro-ph.HE2021★ 54 cited

A snapshot of the oldest AGN feedback phases

M. Brienza, T. W. Shimwell, F. de Gasperin +19

Active Galactic Nuclei (AGN) inject large amounts of energy into their host galaxies and surrounding environment, shaping their properties and evolution. In particular, AGN jets in…

astro-ph.HE2021★ 13 cited

Candidate isolated neutron stars in the 4XMM-DR10 catalog of X-ray sources

Michela Rigoselli, Sandro Mereghetti, Caterina Tresoldi

Most isolated neutron stars have been discovered thanks to the detection of their pulsed non-thermal emission, at wavelengths spanning from radio to gamma-rays. However, if the bea…

astro-ph.HE2021

GRB 160410A: the first Chemical Study of the Interstellar Medium of a Short GRB

J. F. Agüí Fernández, C. C. Thöne, D. A. Kann +27

Short Gamma-Ray Bursts (SGRBs) are produced by the coalescence of compact binary systems which are remnants of massive stars. GRB 160410A is classified as a short-duration GRB with…

astro-ph.HE2021★ 5 cited

Search for Very High-Energy Emission from the millisecond pulsar PSR J0218+4232

V. A. Acciari, S. Ansoldi, L. A. Antonelli +198

PSR J0218+4232 is one of the most energetic millisecond pulsars known and has long been considered as one of the best candidates for very high-energy (VHE; >100 GeV) gamma-ray emis…

astro-ph.HE2021★ 4 cited

Detecting the intrinsic X-ray emission from the O-type donor star and the residual accretion in a Supergiant Fast X-ray Transient during its faintest state

L. Sidoli, K. Postnov, L. Oskinova +4

We report on the results of an XMM-Newton observation of the Supergiant Fast X-ray Transient (SFXT) IGR J08408-4503 performed in June 2020. The source is composed by a compact obje…

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★ 6 cited

A deep observation of the X-Persei-like binary system CXOU J225355.1+624336

N. La Palombara, L. Sidoli, P. Esposito +2

We report on the follow-up observation of the persistent X-ray pulsar CXOU J225355.1+624336, discovered with the CATS@BAR project on archival data. The sourc…

astro-ph.HE2021★ 8 cited

IKT16: Discovery of a 22 ms energetic rotation-powered pulsar in the Small Magellanic Cloud

C. Maitra, P. Esposito, A. Tiengo +5

We report here on the discovery with XMM-Newton of pulsations at 22 ms from the central compact source associated with IKT16, a supernova remnant in the Small Magellanic Cloud (SMC…

astro-ph.HE2021★ 27 cited

The EXTraS Project: Exploring the X-ray transient and variable sky

A. De Luca, R. Salvaterra, A. Belfiore +29

Temporal variability in flux and spectral shape is ubiquitous in the X-ray sky and carries crucial information about the nature and emission physics of the sources. The EPIC instru…

astro-ph.HE2021★ 38 cited

Gamma rays from Fast Black-Hole Winds

LAT Collaboration

Massive black holes at the centers of galaxies can launch powerful wide-angle winds that, if sustained over time, can unbind the gas from the stellar bulges of galaxies. These wind…

astro-ph.HE2021★ 102 cited

The peculiar short-duration GRB 200826A and its supernova

A. Rossi, B. Rothberg, E. Palazzi +31

Gamma-ray bursts (GRBs) are classified as long and short events. Long GRBs (LGRBs) are associated with the end states of very massive stars, while short GRBs (SGRBs) are linked to…

astro-ph.HE2021★ 24 cited

The X-ray evolution and geometry of the 2018 outburst of XTE J1810-197

A. Borghese, N. Rea, R. Turolla +17

After 15 years, in late 2018, the magnetar XTE J1810-197 underwent a second recorded X-ray outburst event and reactivated as a radio pulsar. We initiated an X-ray monitoring campai…

astro-ph.HE2021★ 13 cited

Hubble Space Telescope observations of the old pulsar PSR J0108-1431

Vadim Abramkin, Yuriy Shibanov, Roberto P. Mignani +1

We present results of optical-UV observations of the 200 Myr old rotation-powered radio pulsar J01081431 with the Hubble Space Telescope. We found a putative candidate for the f…

astro-ph.HE2021★ 23 cited

Optical and ultraviolet pulsed emission from an accreting millisecond pulsar

F. Ambrosino, A. Miraval Zanon, A. Papitto +28

Millisecond spinning, low magnetic field neutron stars are believed to attain their fast rotation in a 0.1-1 Gyr-long phase during which they accrete matter endowed with angular mo…

astro-ph.HE2021★ 6 cited

Multi-band observations of Swift J0840.7-3516: a new transient ultra-compact X-ray binary candidate

F. Coti Zelati, A. de Ugarte Postigo, T. D. Russell +5

We report on multi-band observations of the transient source Swift J0840.7-3516, which was detected in outburst in 2020 February by the Neil Gehrels Swift Observatory. The outburst…

astro-ph.HE2021★ 59 cited

The First Fermi-LAT Solar Flare Catalog

M. Ajello, L. Baldini, D. Bastieri +82

We present the first Fermi - Large Area Telescope (LAT) solar flare catalog covering the 24 th solar cycle. This catalog contains 45 Fermi -LAT solar flares (FLSFs) with emission i…