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

4.1k citations

Showing 2015 · astro-ph.HEShow all

32 papers · 2 filters

astro-ph.HE2015★ 3 cited

Long Term Study of the Double Pulsar J0737-3039 with XMM-Newton: pulsar timing

M. N. Iacolina, A. Pellizzoni, E. Egron +8

The relativistic double neutron star binary PSR J0737-3039 shows clear evidence of orbital phase-dependent wind-companion interaction, both in radio and X-rays. In this paper we pr…

astro-ph.HE2015★ 18 cited

EXTraS discovery of an 1.2-s X-ray pulsar in M 31

P. Esposito, G. L. Israel, A. Belfiore +13

During a search for coherent signals in the X-ray archival data of XMM-Newton, we discovered a modulation at 1.2 s in 3XMM J004301.4+413017 (3X J0043), a source lying in the direct…

astro-ph.HE2015★ 266 cited

The 1st Fermi Lat Supernova Remnant Catalog

Fabio Acero, Markus Ackermann, Marco Ajello +156

To uniformly determine the properties of supernova remnants (SNRs) at high energies, we have developed the first systematic survey at energies from 1 to 100 GeV using data from the…

astro-ph.HE2015★ 405 cited

Fermi-LAT Observations of High-Energy Gamma-Ray Emission Toward the Galactic Center

LAT Collaboration

The Fermi Large Area Telescope (LAT) has provided the most detailed view to date of the emission towards the Galactic centre (GC) in high-energy gamma-rays. This paper describes th…

astro-ph.HE2015★ 268 cited

Multiwavelength Evidence for Quasi-periodic Modulation in the Gamma-ray Blazar PG 1553+113

The Fermi LAT collaboration, M. Ackermann, M. Ajello +139

We report for the first time a gamma-ray and multi-wavelength nearly-periodic oscillation in an active galactic nucleus. Using the Fermi Large Area Telescope (LAT) we have discover…

astro-ph.HE2015★ 9 cited

VLT polarimetry observations of PSR B0656+14

R. P. Mignani, P. Moran, A Shearer +5

Optical polarisation measurements are key tests for different models of the pulsar magnetosphere. Furthermore, comparing the relative orientation of the phase-averaged linear polar…

astro-ph.HE2015★ 1 cited

Optical counterparts of undetermined type -ray Active Galactic Nuclei with blazar-like Spectral Energy Distributions

G. La Mura, G. Chiaro, S. Ciroi +4

During its first four years of scientific observations, the Fermi Large Area Telescope (Fermi-LAT) detected 3033 -ray sources above a 4 significance level. Although most of t…

astro-ph.HE2015★ 2 cited

Ten years of INTEGRAL observations of the hard X-ray emission from SGR 1900+14

L. Ducci, S. Mereghetti, D. Götz +1

We exploited the high sensitivity of the INTEGRAL IBIS/ISGRI instrument to study the persistent hard X-ray emission of the soft gamma-ray repeater SGR 1900+14, based on ~11.6 Ms of…

astro-ph.HE2015★ 77 cited

Search for extended gamma-ray emission from the Virgo galaxy cluster with Fermi-LAT

M. Ackermann, M. Ajello, A. Albert +118

Galaxy clusters are one of the prime sites to search for dark matter (DM) annihilation signals. Depending on the substructure of the DM halo of a galaxy cluster and the cross secti…

astro-ph.HE2015★ 89 cited

Deep view of the Large Magellanic Cloud with 6 years of Fermi-LAT observations

LAT Collaboration

The nearby Large Magellanic Cloud (LMC) provides a rare opportunity of a spatially resolved view of an external star-forming galaxy in gamma-rays. The LMC was detected at 0.1-100Ge…

astro-ph.HE2015★ 17 cited

The tale of the two tails of the oldish PSR J2055+2539

Martino Marelli, Daniele Pizzocaro, Andrea De Luca +3

We analyzed a deep {\it XMM-Newton} observation of the radio-quiet -ray PSR J2055+2539. The spectrum of the X-ray counterpart is non-thermal, with a photon index of =2.36$\pm…

astro-ph.HE2015★ 8 cited

Gemini optical observations of binary millisecond-pulsars

V. Testa, R. P. Mignani, C. Pallanca +2

Milli-second pulsars (MSPs) are rapidly spinning neutron stars, with spin periods P_s <= 10 ms, which have been most likely spun up after a phase of matter accretion from a compani…

astro-ph.HE2015★ 306 cited

2FHL: The Second Catalog of Hard Fermi-LAT Sources

LAT Collaboration

We present a catalog of sources detected above 50 GeV by the {\it Fermi}-Large Area Telescope (LAT) in 80 months of data. The newly delivered Pass 8 event-level analysis allows the…

astro-ph.HE2015★ 12 cited

IKT 16: the first X-ray confirmed composite SNR in the SMC

Chandreyee Maitra, Jean Ballet, Miroslav Filipovic +4

Aims: IKT 16 is an X-ray and radio-faint supernova remnant (SNR) in the Small Magellanic Cloud (SMC). A detailed X-ray study of this SNR with XMM-Newton confirmed the presence of a…

astro-ph.HE2015★ 27 cited

PSR J1906+0722: An Elusive Gamma-ray Pulsar

C. J. Clark, H. J. Pletsch, J. Wu +117

We report the discovery of PSR J1906+0722, a gamma-ray pulsar detected as part of a blind survey of unidentified Fermi Large Area Telescope (LAT) sources being carried out on the v…

astro-ph.HE2015★ 118 cited

Search for gamma-ray emission from the Coma Cluster with six years of Fermi-LAT data

LAT Collaboration, Y. Rephaeli

We present results from γ-ray observations of the Coma cluster incorporating 6 years of Fermi-LAT data and the newly released {\emph{Pass 8}} event-level analysis. Our analysis of…

astro-ph.HE2015★ 33 cited

Search for Early Gamma-ray Production in Supernovae Located in a Dense Circumstellar Medium with the Fermi LAT

M. Ackermann, I. Arcavi, L. Baldini +108

Supernovae (SNe) exploding in a dense circumstellar medium (CSM) are hypothesized to accelerate cosmic rays in collisionless shocks and emit GeV gamma rays and TeV neutrinos on a t…

astro-ph.HE2015★ 34 cited

Periodic signals from the Circinus region: two new cataclysmic variables and the ultraluminous X-ray source candidate GC X-1

P. Esposito, G. L. Israel, D. Milisavljevic +5

The examination of two 2010 Chandra ACIS exposures of the Circinus galaxy resulted in the discovery of two pulsators: CXO J141430.1-651621 and CXOU J141332.9-651756. We also detect…

astro-ph.HE2015★ 38 cited

Simultaneous Multi-band Radio & X-ray Observations of the Galactic Center Magnetar SGR 17452900

T. T. Pennucci, A. Possenti, P. Esposito +7

We report on multi-frequency, wideband radio observations of the Galactic Center magnetar (SGR 17452900) with the Green Bank Telescope for 100 days immediately following i…

astro-ph.HE2015★ 313 cited

Updated Search for Spectral Lines from Galactic Dark Matter Interactions with Pass 8 Data from the Fermi Large Area Telescope

LAT Collaboration

Dark matter in the Milky Way may annihilate directly into gamma rays, producing a monoenergetic spectral line. Therefore, detecting such a signature would be strong evidence for da…

astro-ph.HE2015★ 11 cited

Properties and observability of glitches and anti-glitches in accreting pulsars

L. Ducci, P. M. Pizzochero, V. Doroshenko +3

Several glitches have been observed in young, isolated radio pulsars, while a clear detection in accretion-powered X-ray pulsars is still lacking. We use the Pizzochero snowplow mo…

astro-ph.HE2015★ 9 cited

Swift J201424.9+152930: discovery of a new deeply eclipsing binary with 491 s and 3.4 h modulations

P. Esposito, G. L. Israel, D. de Martino +13

We report on the discovery of a new X-ray pulsator, Swift J201424.9+152930 (Sw J2014). Owing to its X-ray modulation at 491 s, it was discovered in a systematic search for coherent…

astro-ph.HE2015★ 28 cited

Short Timescale Photometric and Polarimetric Behavior of two BL Lacertae Type Objects

S. Covino, M. C. Baglio, L. Foschini +20

Blazars are astrophysical sources whose emission is dominated by non-thermal processes, typically interpreted as synchrotron and inverse Compton emission. Although the general pict…

astro-ph.HE2015★ 6 cited

Spectral properties of the soft excess pulsar RX J0059.2-7138 during its 2013 outburst

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

We report on an X-ray observation of the Be X-ray Binary Pulsar RX J0059.2-7138, performed by XMM-Newton in March 2014. The 19 ks long observation was carried out about three month…