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19912026
Showing 2018 · astro-ph.HEShow all

28 papers · 2 filters

astro-ph.HE2018★ 72 cited

Observatory science with eXTP

Jean J. M. in 't Zand, Enrico Bozzo, Jinlu Qu +181

In this White Paper we present the potential of the enhanced X-ray Timing and Polarimetry (eXTP) mission for studies related to Observatory Science targets. These include flaring s…

astro-ph.HE2018★ 1 cited

High energy spectral study of the black hole Cygnus X-1 with INTEGRAL

Floriane Cangemi, Jérôme Rodriguez, Victoria Grinberg +2

We present the analysis of an extended \textit{INTEGRAL} dataset of the high-mass microquasar Cygnus X-1. We first classify, in a model-independent way, all the \textit{INTEGRAL} i…

astro-ph.HE2018★ 267 cited

An embedded X-ray source shines through the aspherical AT2018cow: revealing the inner workings of the most luminous fast-evolving optical transients

Raffaella Margutti, B. D. Metzger, R. Chornock +41

We present the first extensive radio to gamma-ray observations of a fast-rising blue optical transient (FBOT), AT2018cow, over its first ~100 days. AT2018cow rose over a few days t…

astro-ph.HE2018★ 293 cited

The Giant Radio Array for Neutrino Detection (GRAND): Science and Design

GRAND Collaboration, Jaime Alvarez-Muniz, Rafael Alves Batista +48

The Giant Radio Array for Neutrino Detection (GRAND) is a planned large-scale observatory of ultra-high-energy (UHE) cosmic particles, with energies exceeding 10^8 GeV. Its goal is…

astro-ph.HE2018★ 56 cited

Searches for gamma-ray lines and `pure WIMP' spectra from Dark Matter annihilations in dwarf galaxies with H.E.S.S

H. E. S. S. Collaboration, :, H. Abdalla +234

Dwarf spheroidal galaxies are among the most promising targets for detecting signals of Dark Matter (DM) annihilations. The H.E.S.S. experiment has observed five of these systems f…

astro-ph.HE2018★ 39 cited

Detection of polarized gamma-ray emission from the Crab nebula with Hitomi Soft Gamma-ray Detector

Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu +191

We present the results from the Hitomi Soft Gamma-ray Detector (SGD) observation of the Crab nebula. The main part of SGD is a Compton camera, which in addition to being a spectrom…

astro-ph.HE2018★ 15 cited

The first ultraviolet detection of the Large Magellanic Cloud pulsar PSR B0540-69 and its multi-wavelength properties

R. P. Mignani, A. Shearer, A. de Luca +9

We observed the young ( yrs) pulsar PSR B0540-69 in the near-ultraviolet (UV) for the first time with the Space Telescope Imaging Spectrograph (STIS) aboard the {\em Hub…

astro-ph.HE2018★ 25 cited

Magnetic field estimates from the X-ray synchrotron emitting rims of the 30 Dor C superbubble and the implications for the nature of 30 Dor C's TeV emission

Patrick J. Kavanagh, Jacco Vink, Manami Sasaki +6

The 30 Dor C superbubble is unique for its synchrotron X-ray shell, as well as being the first superbubble to be detected in TeV -rays, though the dominant TeV emission mechanis…

astro-ph.HE2018★ 18 cited

Spectroscopic identification of INTEGRAL high-energy sources with VLT/ISAAC

Francis Fortin, Sylvain Chaty, Alexis Coleiro +2

The INTEGRAL satellite has been observing the gamma-ray sky for 15 years and has detected over 900 X-ray sources of various nature. However, more than 200 of these sources still la…

astro-ph.HE2018★ 18 cited

X-Ray Luminosity and Size Relationship of Supernova Remnants in the LMC

Po-Sheng Ou, You-Hua Chu, Pierre Maggi +3

The Large Magellanic Cloud (LMC) has 60 confirmed supernova remnants (SNRs). Because of the known distance, 50 kpc, the SNRs' angular sizes can be converted to linear sizes,…

astro-ph.HE2018★ 92 cited

Joint constraints on Galactic diffuse neutrino emission from ANTARES and IceCube

A. Albert, M. André, M. Anghinolfi +454

The existence of diffuse Galactic neutrino production is expected from cosmic ray interactions with Galactic gas and radiation fields. Thus, neutrinos are a unique messenger offeri…

astro-ph.HE2018★ 27 cited

Cosmic-Ray Anisotropy from Large Scale Structure and the effect of magnetic horizons

Noémie Globus, Tsvi Piran, Yehuda Hoffman +2

Motivated by the ~7 % dipole anisotropy in the distribution of ultra-high energy cosmic-rays (UHECRs) above 8 EeV, we explore the anisotropy induced by the large scale structure, u…

astro-ph.HE2018★ 23 cited

The MAVERIC survey: A transitional millisecond pulsar candidate in Terzan 5

Arash Bahramian, Jay Strader, Laura Chomiuk +11

Transitional millisecond pulsars are accreting millisecond pulsars that switch between accreting X-ray binary and millisecond radio pulsar states. Only a handful of these objects h…

astro-ph.HE2018★ 17 cited

Spatially resolved broad-band synchrotron emission from the non-thermal limbs of SN1006

Jiang-Tao Li, Jean Ballet, Marco Miceli +6

We present ~400ks NuSTAR observations of the northeast (NE) and southwest (SW) non-thermal limbs of the Galactic SNR SN1006. We discovered three sources with X-ray emission detecte…

astro-ph.HE2018★ 2 cited

SKA-Athena Synergy White Paper

R. Cassano, R. Fender, C. Ferrari +35

The Advanced Telescope for High Energy Astrophysics (Athena) is the X-ray observatory large mission selected by the European Space Agency (ESA), within its Cosmic Vision 2015-2025…

astro-ph.HE2018★ 311 cited

A Multimessenger Picture of the Flaring Blazar TXS 0506+056: implications for High-Energy Neutrino Emission and Cosmic Ray Acceleration

A. Keivani, K. Murase, M. Petropoulou +14

Detection of the IceCube-170922A neutrino coincident with the flaring blazar TXS 0506+056, the first and only 3-sigma high-energy neutrino source association to date, offers a pote…

astro-ph.HE2018★ 13 cited

Search for high-energy neutrinos in coincidence with Fast Radio Bursts with the ANTARES neutrino telescope

A. Albert, M. André, M. Anghinolfi +125

In the past decade, a new class of bright transient radio sources with millisecond duration has been discovered. The origin of these so-called Fast Radio Bursts (FRBs) is still a g…

astro-ph.HE2018★ 37 cited

The first catalog of Fermi-LAT sources below 100 MeV

Giacomo Principe, Dmitry Malyshev, Jean Ballet +1

We present the first Fermi Large Area Telescope (LAT) low energy catalog (1FLE) of sources detected in the energy range 30 - 100 MeV. The COMPTEL telescope detected sources below 3…

astro-ph.HE2018★ 21 cited

Pevatron at the Galactic Center: Multi-Wavelength Signatures from Millisecond Pulsars

Claire Guépin, Lucia Rinchiuso, Kumiko Kotera +3

Diffuse TeV emission has been observed by H.E.S.S. in the Galactic Center region, in addition to the GeV gamma rays observed by Fermi. We propose that a population of unresolved mi…

astro-ph.HE2018★ 9 cited

Disentangling hadronic from leptonic emission in the composite SNR G326.31.8

J. Devin, F. Acero, J. Ballet +1

G326.31.8 (also known as MSH 1556) has been detected in radio as a middle-aged composite supernova remnant (SNR) consisting of an SNR shell and a pulsar wind nebula (PWN), wh…

astro-ph.HE2018★ 12 cited

Electron-Positron pairs creation close to a black hole horizon. Red-shifted annihilation line in the emergent X-ray spectra of a black hole, part I

Philippe Laurent, Lev Titarchuk

We consider a Compton cloud (CC) surrounding a black hole (BH) in an accreting black hole system, where electrons propagate with thermal and bulk velocities.In that cloud, soft (di…

astro-ph.HE2018★ 16 cited

Observation of variable pre-eclipse dips and disk winds in the eclipsing LMXB XTE J1710-281

Gayathri Raman, Chandreyee Maitra, Biswajit Paul

We report the first detection of highly ionized Fe species in the X-ray spectrum of the eclipsing and dipping Low Mass X-ray Binary XTE J1710-281. Using archival Chandra and Suzaku…

astro-ph.HE2018

Laboratory radiative accretion shocks on GEKKO XII laser facility for POLAR project

L. Van Box Som, E. Falize, M. Koenig +20

A new target design is presented to model high-energy radiative accretion shocks in polars. In this paper, we present the experimental results obtained on the GEKKO XII laser facil…

astro-ph.HE2018★ 19 cited

Cosmic-rays, gas, and dust in nearby anti-centre clouds : III -- Dust extinction, emission, and grain properties

Q. Remy, I. A. Grenier, D. J. Marshall +1

We have explored the capabilities of dust extinction and rays to probe the properties of the interstellar medium in the nearby anti-centre region. We have jointly modelled the…