output
19932020
most citedHabitable Zones Around Main-Sequence Stars: New Estimates

1.6k citations

Showing 2013 · astro-ph.HEShow all

21 papers · 2 filters

astro-ph.HE2013★ 50 cited

Long-term TeV and X-ray Observations of the Gamma-ray Binary HESS J0632+057

VERITAS Collaboration, E. Aliu, S. Archambault +297

HESS J0632+057 is the only gamma-ray binary known so far whose position in the sky allows observations with ground-based observatories both in the northern and southern hemispheres…

astro-ph.HE2013★ 165 cited

Constraints on axionlike particles with H.E.S.S. from the irregularity of the PKS 2155-304 energy spectrum

H. E. S. S. Collaboration, A. Abramowski, F. Acero +211

Axionlike particles (ALPs) are hypothetical light (sub-eV) bosons predicted in some extensions of the Standard Model of particle physics. In astrophysical environments comprising h…

astro-ph.HE2013★ 33 cited

Fermi LAT and WMAP observations of the supernova remnant HB 21

G. Pivato, J. Hewitt, L. Tibaldo +8

We present the analysis of Fermi Large Area Telescope (LAT) -ray observations of HB~21 (G89.0+4.7). We detect significant -ray emission associated with the remnant: the flux…

astro-ph.HE2013★ 54 cited

H.E.S.S. Observations of the Crab during its March 2013 GeV Gamma-Ray Flare

H. E. S. S. Collaboration, A. Abramowski, F. Aharonian +217

Context. On March 4, 2013, the Fermi-LAT and AGILE reported a flare from the direction of the Crab Nebula in which the high-energy (HE; E > 100 MeV) flux was six times above its qu…

astro-ph.HE2013★ 15 cited

HESS J1818-154, a new composite supernova remnant discovered in TeV gamma rays and X-rays

H. E. S. S. Collaboration, A. Abramowski, F. Aharonian +217

Composite supernova remnants (SNRs) constitute a small subclass of the remnants of massive stellar explosions where non-thermal radiation is observed from both the expanding shell-…

astro-ph.HE2013★ 79 cited

Determination of the Point-Spread Function for the Fermi Large Area Telescope from On-orbit Data and Limits on Pair Halos of Active Galactic Nuclei

LAT Collaboration

The Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope is a pair-conversion telescope designed to detect photons with energies from 20 MeV to > 300 GeV. The pre-laun…

astro-ph.HE2013★ 56 cited

The Vela-X Pulsar Wind Nebula revisited with 4 years of Fermi-Large Area Telescope observations

M. -H. Grondin, R. W. Romani, M. Lemoine-Goumard +3

The Vela supernova remnant is the closest supernova remnant to Earth containing an active pulsar, the Vela pulsar (PSR B0833-45). This pulsar is the archetype of the middle-aged pu…

astro-ph.HE2013★ 15 cited

Evidence of a Hadronic Origin for the TeV Source J1834-087

D. A. Frail, M. J. Claussen, J. Mehault

We report on the discovery of compact, narrow OH line emission from the hydroxl molecule at 1720 MHz toward the extended TeV source J1834-087. The origin of this high energy emissi…

astro-ph.HE2013★ 66 cited

Constraining the location of rapid gamma-ray flares in the FSRQ 3C 273

B. Rani, B. Lott, T. P. Krichbaum +2

We present a γ-ray photon flux and spectral variability study of the flat-spectrum radio quasar 3C 273 over a rapid flaring activity period between September 2009 to April 2010. Fi…

astro-ph.HE2013★ 125 cited

Constraints on the Galactic Population of TEV Pulsar Wind Nebulae Using Fermi Large Area Telescope Observations

F. Acero, M. Ackermann, M. Ajello +155

Pulsar wind nebulae (PWNe) have been established as the most populous class of TeV gamma-ray emitters. Since launch, the Fermi Large Area Telescope (LAT)identified five high-energy…

astro-ph.HE2013★ 247 cited

Search for Gamma-ray Spectral Lines with the Fermi Large Area Telescope and Dark Matter Implications

LAT Collaboration

Weakly Interacting Massive Particles (WIMPs) are a theoretical class of particles that are excellent dark matter candidates. WIMP annihilation or decay may produce essentially mono…

astro-ph.HE2013★ 102 cited

H.E.S.S. discovery of VHE gamma-rays from the quasar PKS 1510-089

H. E. S. S. Collaboration, A. Abramowski, F. Acero +204

The quasar PKS 1510-089 (z=0.361) was observed with the H.E.S.S. array of imaging atmospheric Cherenkov telescopes during high states in the optical and GeV bands, to search for ve…

astro-ph.HE2013★ 58 cited

The Fermi All-sky Variability Analysis: A list of flaring gamma-ray sources and the search for transients in our Galaxy

LAT Collaboration

In this paper we present the Fermi All-sky Variability Analysis (FAVA), a tool to systematically study the variability of the gamma-ray sky measured by the Large Area Telescope (LA…

astro-ph.HE2013★ 117 cited

High-Energy Gamma-Ray Emission From Solar Flares: Summary of Fermi LAT Detections and Analysis of Two M-Class Flares

LAT collaboration

We present the detections of 19 solar flares detected in high-energy gamma rays (above 100 MeV) with the Fermi Large Area Telescope (LAT) during its first four years of operation.…

astro-ph.HE2013★ 26 cited

Discovery of high and very high-energy emission from the BL Lac object SHBL J001355.9-185406

H. E. S. S. Collaboration, :, A. Abramowski +210

The detection of the high-frequency peaked BL Lac object (HBL) SHBL J001355.9-185406 (=0.095) at high (HE; 100 MeVE300 GeV) and very high-energy (VHE; )…

astro-ph.HE2013★ 297 cited

The First Fermi LAT Gamma-Ray Burst Catalog

LAT Collaboration

In three years of observations since the beginning of nominal science operations in August 2008, the Large Area Telescope (LAT) on board the Fermi Gamma Ray Space Telescope has obs…

astro-ph.HE2013★ 39 cited

Discovery of TeV gamma-ray emission from PKS 0447-439 and derivation of an upper limit on its redshift

H. E. S. S. Collaboration, :, A. Abramowski +204

Very high-energy gamma-ray emission from PKS 0447-439 was detected with the H.E.S.S. Cherenkov telescope array in December 2009. This blazar is one of the brightest extragalactic o…

astro-ph.HE2013★ 15 cited

S5 0716+714 : GeV variability study

B. Rani, T. P. Krichbaum, B. Lott +2

The GeV observations by Fermi-LAT give us the opportunity to characterize the high-energy emission (100 MeV - 300 GeV) variability properties of the BL Lac object S5 0716+714. In t…

astro-ph.HE2013★ 116 cited

Radio to gamma-ray variability study of blazar S5 0716+714

B. Rani, T. P. Krichbaum, L. Fuhrmann +34

We present the results of a series of radio, optical, X-ray and gamma-ray observations of the BL Lac object S50716+714 carried out between April 2007 and January 2011. The multi-fr…

astro-ph.HE2013★ 46 cited

H.E.S.S. Observations of the Binary System PSR B1259-63/LS 2883 around the 2010/2011 Periastron Passage

H. E. S. S. Collaboration, :, A. Abramowski +203

Aim. In this paper we present very high energy (VHE; E>100 GeV) data from the γ-ray binary system PSR B1259-63/LS 2883 taken around its periastron passage (15th of December 2010) w…

astro-ph.HE2013★ 20 cited

Search for Very-high-energy γ-ray emission from Galactic globular clusters with H.E.S.S

H. E. S. S. Collaboration, :, A. Abramowski +203

Globular clusters (GCs) are established emitters of high-energy (HE, 100 MeV<E<100 GeV) γ-ray radiation which could originate from the cumulative emission of the numerous milliseco…