output
19932026
most citedAstropy: A Community Python Package for Astronomy

14.6k citations

Showing 2016 · astro-ph.HEShow all

60 papers · 2 filters

astro-ph.HE2016★ 67 cited

Multiband variability studies and novel broadband SED modeling of Mrk 501 in 2009

M. L. Ahnen, S. Ansoldi, L. A. Antonelli +290

We present an extensive study of the BL Lac object Mrk 501 based on a data set collected during the multi-instrument campaign spanning from 2009 March 15 to 2009 August 1 which inc…

astro-ph.HE2016★ 6 cited

Electron acceleration at pulsar wind termination shocks

Simone Giacchè, John G. Kirk

We study the acceleration of electrons and positrons at an electromagnetically modified, ultra-relativistic shock in the context of pulsar wind nebulae (PWNe). We simulate the outf…

astro-ph.HE2016★ 16 cited

On the energy distribution of relativistic electrons in the young supernova remnant G1.9+0.3

Rui-zhi Yang, Xiao-na Sun, Felix Aharonian

The broad-band X-ray observations of the youngest known galactic supernova remnant, G1.9+0.3, provide unique information about the particle acceleration at the early stages of evol…

astro-ph.HE2016★ 46 cited

Detection of diffuse gamma-ray emission near the young massive cluster NGC 3603

Rui-zhi Yang, Felix Aharonian

We report the Fermi Large Area Telescope's detection of extended gamma-ray emission towards the direction of the young massive star cluster NGC 3603. The emission shows a hard spec…

astro-ph.HE2016★ 38 cited

Gamma-ray blazar spectra with H.E.S.S. II mono analysis: the case of PKS 2155-304 and PG 1553+113

H. E. S. S. Collaboration, :, H. Abdalla +332

The addition of a 28 m Cherenkov telescope (CT5) to the H.E.S.S. array extended the experiment's sensitivity to lower energies. The lowest energy threshold is obtained using monosc…

astro-ph.HE2016★ 3 cited

Discovery of new TeV supernova remnant shells in the Galactic plane with H.E.S.S

D. Gottschall, M. Capasso, C. Deil +10

Supernova remnants (SNRs) are prime candidates for efficient particle acceleration up to the knee in the cosmic ray particle spectrum. In this work we present a new method for a sy…

astro-ph.HE2016★ 6 cited

The TeV supernova remnant shell HESS J1731-347 and its surroundings

M. Capasso, B. Condon, M. Coffaro +7

HESS J1731-347 is a shell-type supernova remnant emitting both TeV gamma rays and non-thermal X-ray photons, spatially coincident with the radio SNR G353.6-0.7. Hadronic and lepton…

astro-ph.HE2016★ 11 cited

First limits on the very-high energy gamma-ray afterglow emission of a fast radio burst: H.E.S.S. observations of FRB 150418

H. E. S. S. Collaboration, :, H. Abdalla +265

Aims: Following the detection of the fast radio burst FRB150418 by the SUPERB project at the Parkes radio telescope, we aim to search for very-high energy gamma-ray afterglow emiss…

astro-ph.HE2016★ 34 cited

Observations of Sagittarius A* during the pericenter passage of the G2 object with MAGIC

M. L. Ahnen, S. Ansoldi, L. A. Antonelli +153

Context. We present the results of a multi-year monitoring campaign of the Galactic Center (GC) with the MAGIC telescopes. These observations were primarily motivated by reports th…

astro-ph.HE2016★ 19 cited

Shear Acceleration in Expanding Flows

F. M. Rieger, P. Duffy

Shear flows are naturally expected to occur in astrophysical environments and potential sites of continuous non-thermal Fermi-type particle acceleration. Here we investigate the ef…

astro-ph.HE2016★ 10 cited

The Exceptional Flare of Mrk 501 in 2014: Combined Observations with H.E.S.S. and FACT

Gabriele Cologna, Nachiketa Chakraborty, Agnieszka Jacholkowska +8

The BL Lac type object Mrk 501 was observed at very high energies (E > 100 GeV) in 2014 with the upgraded H.E.S.S. (High Energy Stereoscopic System) phase 2 array. The data collect…

astro-ph.HE2016★ 10 cited

Gamma-Rays from Non-Blazar AGN

Frank M. Rieger

Non-blazar Active Galactic Nuclei (AGN) have emerged as a new gamma-ray emitting source class on the extragalactic sky and started to deepen our understanding of the physical proce…

astro-ph.HE2016★ 7 cited

The Complex VHE And Multiwavelength Flaring Activity Of The FSRQ PKS 1510-089 In May 2015

Michael Zacharias, Markus Böttcher, Nachiketa Chakraborty +8

The blazar PKS 1510-089 was the first of the flat spectrum radio quasar type, which had been detected simultaneously by a ground based Cherenkov telescope (H.E.S.S.) and the LAT in…

astro-ph.HE2016★ 59 cited

Deeper H.E.S.S. observations of Vela Junior (RX J0852.04622): Morphology studies and resolved spectroscopy

H. E. S. S. Collaboration, H. Abdalla, A. Abramowski +260

Aims. We study gamma-ray emission from the shell-type supernova remnant (SNR) RX J0852.04622 to better characterize its spectral properties and its distribution over the SNR. Me…

astro-ph.HE2016★ 1 cited

Detailed VHE Studies of the Pulsar Wind Nebula HESS J1825-137

A. M. W. Mitchell, C. Mariaud, P. Eger +5

The pulsar wind nebula (PWN) HESS~J1825-137, known to exhibit strong energy dependent morphology, was discovered by HESS in 2005. Powered by the pulsar PSR~B1823-13, the TeV gamma-…

astro-ph.HE2016★ 3 cited

Observations of Binary Systems with the H.E.S.S. Telescopes

P. Bordas, G. Dubus, P. Eger +8

Observations of binary systems obtained recently with the High Energy Stereoscopic System (H.E.S.S) of Cherenkov telescopes are reported. The outcomes of a detailed observation cam…

astro-ph.HE2016★ 5 cited

Target of Opportunity observations of blazars with H.E.S.S.

M. Cerruti, M. Böttcher, N. Chakraborty +10

The very high energy (VHE, E > 100 GeV) sky is dominated by blazars, radio-loud active galactic nuclei whose relativistic jet is closely aligned with the line of sight. Blazars are…

astro-ph.HE2016★ 22 cited

Interstellar gas towards the TeV gamma-ray sources HESS J1640-465 and HESS J1641-463

J. C. Lau, G. Rowell, M. G. Burton +6

We present a detailed analysis of the interstellar medium towards the TeV -ray sources HESS J1640465 and HESS J1641463 using results from the Mopra Southern Galactic Plane…

astro-ph.HE2016★ 18 cited

Pulsed VHE emission from the Crab Pulsar in the context of magnetocentrifugal particle acceleration

Z. Osmanov, F. M. Rieger

The Crab Pulsar has been recently detected at very high energies (VHE) with its pulsed VHE emission reaching up to TeV. The VHE peaks appear synchronised with the peaks at Ge…

astro-ph.HE2016★ 50 cited

Characterizing the gamma-ray long-term variability of PKS 2155-304 with H.E.S.S. and Fermi-LAT

H. E. S. S. Collaboration, H. Abdalla, A. Abramowski +244

Studying the temporal variability of BL Lac objects at the highest energies provides unique insights into the extreme physical processes occurring in relativistic jets and in the v…

astro-ph.HE2016★ 21 cited

Large-Scale Cosmic-Ray Anisotropy as a Probe of Interstellar Turbulence

Gwenael Giacinti, John G. Kirk

We calculate the large-scale cosmic-ray (CR) anisotropies predicted for a range of Goldreich-Sridhar (GS) and isotropic models of interstellar turbulence, and compare them with Ice…

astro-ph.HE2016★ 57 cited

H.E.S.S. limits on line-like dark matter signatures in the 100 GeV to 2 TeV energy range close to the Galactic Centre

H. E. S. S. Collaboration, H. Abdalla, A. Abramowski +246

A search for dark matter line-like signals was performed in the vicinity of the Galactic Centre by the H.E.S.S. experiment on observational data taken in 2014. An unbinned likeliho…

astro-ph.HE2016★ 89 cited

Detection of very high energy gamma-ray emission from the gravitationally-lensed blazar QSO B0218+357 with the MAGIC telescopes

MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +151

Context. QSO B0218+357 is a gravitationally lensed blazar located at a redshift of 0.944. The gravitational lensing splits the emitted radiation into two components, spatially indi…

astro-ph.HE2016★ 46 cited

The supernova remnant W49B as seen with H.E.S.S. and Fermi-LAT

H. E. S. S. Collaboration, H. Abdalla, A. Abramowski +253

The supernova remnant (SNR) W49B originated from a core-collapse supernova that occurred between one and four thousand years ago, and subsequently evolved into a mixed-morphology r…