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

1.6k citations

Showing 2011 · astro-ph.HEShow all

28 papers · 2 filters

astro-ph.HE2011★ 73 cited

Fermi Detection of γ-ray emission from the M2 Soft X-ray Flare on 2010 June 12

Fermi GBM Collaboration, Fermi LAT Collaboration, B. R. Dennis +2

The GOES M2-class solar flare, SOL2010-06-12T00:57, was modest in many respects yet exhibited remarkable acceleration of energetic particles. The flare produced an ~50 s impulsive…

astro-ph.HE2011★ 61 cited

The cosmic-ray and gas content of the Cygnus region as measured in gamma rays by the Fermi Large Area Telescope

the Fermi LAT Collaboration

The Cygnus region hosts a giant molecular-cloud complex which actively forms massive stars. Interactions of cosmic rays with interstellar gas and radiation fields make it shine at…

astro-ph.HE2011★ 29 cited

Simultaneous multi-wavelength campaign on PKS 2005-489 in a high state

The H. E. S. S. Collaboration, the Fermi LAT Collaboration, : +345

The high-frequency peaked BL Lac object PKS 2005-489 was the target of a multi-wavelength campaign with simultaneous observations in the TeV gamma-ray (H.E.S.S.), GeV gamma-ray (Fe…

astro-ph.HE2011

Acceleration of cosmic rays at supernova remnant shocks: constraints from gamma-ray observations

Marianne Lemoine-Goumard

In the past few years, gamma-ray astronomy has entered a golden age. At TeV energies, only a handful of sources were known a decade ago, but the current generation of ground-based…

astro-ph.HE2011★ 79 cited

Pulsed Gamma Rays from the Original Millisecond and Black Widow Pulsars: a case for Caustic Radio Emission?

L. Guillemot, T. J. Johnson, C. Venter +25

We report the detection of pulsed gamma-ray emission from the fast millisecond pulsars (MSPs) B1937+21 (also known as J1939+2134) and B1957+20 (J1959+2048) using 18 months of surve…

astro-ph.HE2011★ 73 cited

Fermi Large Area Telescope Observations of the Supernova Remnant G8.7-0.1

LAT Collaboration

We present a detailed analysis of the GeV gamma-ray emission toward the supernova remnant (SNR) G8.7-0.1 with the Large Area Telescope (LAT) onboard the \emph{Fermi} Gamma-ray Spac…

astro-ph.HE2011★ 109 cited

Gamma-Ray Observations of the Supernova Remnant RX J0852.0-4622 with the Fermi LAT

T. Tanaka, A. Allafort, J. Ballet +7

We report on gamma-ray observations of the supernova remnant (SNR) RX J0852.0-4622 with the Large Area Telescope (LAT) aboard the Fermi Gamma-ray Space Telescope. In the Fermi LAT…

astro-ph.HE2011★ 30 cited

Observations of Energetic High Magnetic Field Pulsars with the Fermi Large Area Telescope

D. Parent, M. Kerr, P. R. Den Hartog +27

We report the detection of gamma-ray pulsations from the high-magnetic-field rotation-powered pulsar PSR J1119-6127 using data from the Fermi Large Area Telescope. The gamma-ray li…

astro-ph.HE2011★ 72 cited

Search for Gamma-ray Emission from X-ray Selected Seyfert Galaxies with Fermi-LAT

LAT Collaboration

We report on a systematic investigation of the gamma-ray properties of 120 hard X-ray-selected Seyfert galaxies classified as `radio-quiet' objects, utilizing the three-year accumu…

astro-ph.HE2011★ 595 cited

Measurement of separate cosmic-ray electron and positron spectra with the Fermi Large Area Telescope

The Fermi LAT Collaboration, M. Ackermann, M. Ajello +148

We measured separate cosmic-ray electron and positron spectra with the Fermi Large Area Telescope. Because the instrument does not have an onboard magnet, we distinguish the two sp…

astro-ph.HE2011★ 566 cited

Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope

LAT Collaboration, M. Ackermann, M. Ajello +150

Satellite galaxies of the Milky Way are among the most promising targets for dark matter searches in gamma rays. We present a search for dark matter consisting of weakly interactin…

astro-ph.HE2011★ 1.3k cited

Fermi Large Area Telescope Second Source Catalog

LAT Collaboration

We present the second catalog of high-energy gamma-ray sources detected by the Large Area Telescope (LAT), the primary science instrument on the Fermi Gamma-ray Space Telescope (Fe…

astro-ph.HE2011★ 654 cited

The Second Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope

LAT Collaboration

The second catalog of active galactic nuclei (AGNs) detected by the Fermi Large Area Telescope (LAT) in two years of scientific operation is presented. The Second LAT AGN Catalog (…

astro-ph.HE2011★ 124 cited

A Statistical Approach to Recognizing Source Classes for Unassociated Sources in the First Fermi-LAT Catalog

LAT Collaboration

The Fermi Large Area Telescope First Source Catalog (1FGL) provided spatial, spectral, and temporal properties for a large number of gamma-ray sources using a uniform analysis meth…

astro-ph.HE2011★ 23 cited

Discovery of gamma and X-ray pulsations from the young and energetic PSR J1357-6429 with Fermi and XMM-Newton

M. Lemoine-Goumard, V. E. Zavlin, M. -H. Grondin +20

Since the launch of the Fermi satellite, the number of known gamma-ray pulsars has increased tenfold. Most gamma-ray detected pulsars are young and energetic, and many are associat…

astro-ph.HE2011★ 27 cited

Sub-luminous gamma-Ray pulsars

R. W. Romani, M. Kerr, H. A. Craig +3

Most pulsars observed by the Fermi LAT have gamma-ray luminosities scaling with spindown power Edot as L_gamma (Edot x 10^33 erg/s)^{1/2}. However, there exist one detection and se…

astro-ph.HE2011★ 356 cited

Fermi-LAT Observations of Markarian 421: the Missing Piece of its Spectral Energy Distribution

LAT collaboration, A. A. Abdo et al., the MAGIC collaboration +4

We report on the gamma-ray activity of the high-synchrotron-peaked BL Lacertae object Mrk 421 during the first 1.5 years of Fermi operation, from 2008 August 5 to 2010 March 12. We…

astro-ph.HE2011★ 55 cited

Detection of the Pulsar Wind Nebula HESS J1825-137 with the Fermi Large Area Telescope

M. -H. Grondin, S. Funk, M. Lemoine-Goumard +17

We announce the discovery of 1 - 100 GeV gamma-ray emission from the archetypal TeV pulsar wind nebula HESS J1825-137 using 20 months of survey data from the Fermi Large Area Teles…

astro-ph.HE2011★ 41 cited

Detection of High-Energy Gamma-Ray Emission during the X-ray flaring activity in GRB100728A

The Fermi Collaboration, L. Piro

We present the simultaneous Swift and Fermi observations of the bright GRB100728A and its afterglow. The early X-ray emission is dominated by a vigorous flaring activity continuing…

astro-ph.HE2011★ 35 cited

Multiwavelength Observations of the Gamma-Ray Blazar PKS 0528+134 in Quiescence

N. I. Palma, M. Boettcher

We present multiwavelength observations of the ultraluminous blazar-type radio loud quasar PKS 0528+134 in quiescence during the period July to December 2009. Significant flux vari…

astro-ph.HE2011★ 76 cited

Discovery of two millisecond pulsars in Fermi sources with the Nancay Radio Telescope

I. Cognard, L. Guillemot, T. J. Johnson +29

We report the discovery of two millisecond pulsars in a search for radio pulsations at the positions of \emph{Fermi Large Area Telescope} sources with no previously known counterpa…

astro-ph.HE2011★ 24 cited

Detection of very-high-energy gamma-ray emission from the vicinity of PSR B1706-44 and G343.1-2.3 with H.E.S.S

H. E. S. S. Collaboration, :, A. Abramowski +198

The gamma-ray pulsar PSR B1706-44 and the adjacent supernova remnant (SNR) candidate G343.1-2.3 were observed by H.E.S.S. during a dedicated observation campaign in 2007. As a resu…

astro-ph.HE2011★ 82 cited

Discovery of millisecond pulsars in radio searches of southern Fermi LAT sources

M. J. Keith, S. Johnston, P. S. Ray +19

Using the Parkes radio telescope we have carried out deep observations of eleven unassociated gamma-ray sources. Periodicity searches of these data have discovered two millisecond…

astro-ph.HE2011★ 211 cited

Fermi Gamma-ray Space Telescope Observations of the Gamma-ray Outburst from 3C 454.3 in November 2010

LAT collaboration

The flat-spectrum radio quasar 3C 454.3 underwent an extraordinary 5-day gamma-ray outburst in November 2010 where the daily flux measured with the Fermi Large Area Telescope (LAT)…