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

4.1k citations

Showing 2012Show all

42 papers · 1 filter

astro-ph.HE2012★ 46 cited

PSR J0357+3205: the tail of the turtle

Martino Marelli, Andrea De Luca, David Salvetti +6

Using a new XMM-Newton observation, we have characterized the X-ray properties of the middle-aged radio-quiet gamma-ray pulsar J0357+3205 (named Morla) and its tail. The X-ray emis…

astro-ph.HE2012★ 28 cited

PSR J0357+3205: a fast moving pulsar with a very unusual X-ray trail

A. De Luca, R. P. Mignani, M. Marelli +6

The middle-aged PSR J0357+3205 is a nearby, radio-quiet, bright gamma-ray pulsar discovered by the Fermi mission. Our previous Chandra observation revealed a huge, very peculiar st…

astro-ph.HE2012★ 34 cited

The birthplace and age of the isolated neutron star RX J1856.5-3754

R. P. Mignani, D. Vande Putte, M. Cropper +6

X-ray observations unveiled various types of radio-silent Isolated Neutron Stars (INSs), phenomenologically very diverse, e.g. the Myr old X-ray Dim INS (XDINSs) and the kyr old ma…

astro-ph.HE2012★ 31 cited

X-ray and radio observations of the magnetar Swift J1834.9-0846 and its dust-scattering halo

P. Esposito, A. Tiengo, N. Rea +13

We present a long-term study of the 2011 outburst of the magnetar Swift J1834.9-0846 carried out using new Chandra observations, as well as all the available Swift, RXTE, and XMM-N…

astro-ph.HE2012★ 99 cited

Multiwavelength observations of GRB 110731A: GeV emission from onset to afterglow

LAT Collaboration, GBM Collaboration, Swift Collaboration +2

We report on the multiwavelength observations of the bright, long gamma-ray burst \GRB, by the \Fermi and \Swift observatories, and by the MOA and GROND optical telescopes. The ana…

astro-ph.HE2012★ 25 cited

A Suzaku X-ray observation of one orbit of the supergiant fast X-ray transient IGR J16479-4514

L. Sidoli, P. Esposito, V. Sguera +6

We report on a 250 ks long X-ray observation of the supergiant fast X-ray transient (SFXT) IGR J16479-4514 performed with Suzaku in 2012 February. About 80% of the short orbital pe…

astro-ph.HE2012★ 115 cited

Binary Millisecond Pulsar Discovery via Gamma-Ray Pulsations

H. J. Pletsch, L. Guillemot, H. Fehrmann +150

Millisecond pulsars, old neutron stars spun-up by accreting matter from a companion star, can reach high rotation rates of hundreds of revolutions per second. Until now, all such "…

astro-ph.HE2012★ 12 cited

Swift observations of the ultraluminous X-ray source XMMU J004243.6+412519 in M31

P. Esposito, S. E. Motta, F. Pintore +2

We report on a multi-wavelength study of the recently discovered X-ray transient XMMU J004243.6+412519 in M31, based on data collected with Swift and the 1.8-m Copernico Telescope…

astro-ph.CO2012★ 273 cited

The Imprint of The Extragalactic Background Light in the Gamma-Ray Spectra of Blazars

LAT Collaboration

The light emitted by stars and accreting compact objects through the history of the Universe is encoded in the intensity of the extragalactic background light (EBL). Knowledge of t…

astro-ph.HE2012★ 8 cited

New VLT observations of the Fermi pulsar PSR J1048-5832

M. Razzano, R. P. Mignani, M. Marelli +1

PSR J1048-5832 is a Vela-like (P=123.6 ms; tau~20.3 kyr) gamma-ray pulsar detected by Fermi, at a distance of ~2.7 kpc and with a rotational energy loss rate dot{E}_{SD} ~2 x 10^{3…

astro-ph.CO2012★ 47 cited

Spectrum of the unresolved cosmic X ray background: what is unresolved 50 years after its discovery

A. Moretti, S. Vattakunnel, P. Tozzi +5

We study the spectral properties of the unresolved cosmic X-ray background (CXRB) in the 1.5-7.0 keV energy band with the aim of providing an observational constraint on the statis…

astro-ph.HE2012

Supergiant Fast X-ray Transients with Swift: spectroscopic and temporal properties

P. Romano, V. Mangano, L. Ducci +8

Supergiant fast X-ray transients (SFXTs) are a class of high-mass X-ray binaries with possible counterparts in the high energy gamma rays. The Swift SFXT Project has conducted a sy…

astro-ph.HE2012

Swift monitoring of IGR J16418-4532

P. Esposito, P. Romano, V. Mangano +2

We report on the Swift observations of the candidate supergiant fast X-ray transient (SFXT) IGR J16418-4532, which has an orbital period of ~3.7 d. Our monitoring, for a total of ~…

astro-ph.CO2012★ 28 cited

Counts of high-redshift GRBs as probe of primordial non-Gaussianities

Umberto Maio, Ruben Salvaterra, Lauro Moscardini +1

We propose to use high-redshift long -ray bursts (GRBs) as cosmological tools to constrain the amount of primordial non-Gaussianity in the density field. By using numerical, N-b…

astro-ph.GA2012★ 7 cited

Halo millisecond pulsars ejected by intermediate mass black holes in globular clusters

Alberto Sesana, Nicola Sartore, Bernadetta Devecchi +1

Intermediate mass black holes (IMBHs) are among the most elusive objects in contemporary astrophysics. Both theoretical and observational evidence of their existence is subject of…

astro-ph.HE2012★ 8 cited

The magnetar candidate AX J1818.8-1559

S. Mereghetti, P. Esposito, A. Tiengo +3

In October 2007 a hard X-ray burst was detected by the INTEGRAL satellite from a direction consistent with the position of AX J1818.8-1559, an X-ray source at low Galactic latitude…

astro-ph.HE2012★ 69 cited

The XMM-Newton survey of the Small Magellanic Cloud

F. Haberl, R. Sturm, J. Ballet +13

Although numerous archival XMM-Newton observations existed towards the Small Magellanic Cloud (SMC) before 2009, only a fraction of the whole galaxy was covered. Between May 2009 a…

astro-ph.HE2012★ 11 cited

X-ray and Near Infrared observations of the obscured accreting pulsar IGR J18179-1621

M. A. Nowak, A. Paizis, J. Rodriguez +6

IGR J18179-1621 is an obscured accreting X-ray pulsar discovered by INTEGRAL on 2012 February 29. We report on our 20 ksec Chandra-High Energy Transmission Gratings Spectrometer ob…

astro-ph.HE2012★ 201 cited

GRB110721A: An extreme peak energy and signatures of the photosphere

The Fermi LAT Collaboration, the GBM Collaboration, A. Pe'er

GRB110721A was observed by the Fermi Gamma-ray Space Telescope using its two instruments the Large Area Telescope (LAT) and the Gamma-ray Burst Monitor (GBM). The burst consisted o…

astro-ph.HE2012★ 71 cited

Fermi LAT study of cosmic-rays and the interstellar medium in nearby molecular clouds

LAT collaboration

We report an analysis of the interstellar gamma-ray emission from the Chamaeleon, R Coronae Australis (R CrA), and Cepheus and Polaris flare regions with the Fermi Large Area Teles…

astro-ph.HE2012★ 49 cited

PSR J1838-0537: Discovery of a young, energetic gamma-ray pulsar

H. J. Pletsch, L. Guillemot, B. Allen +12

We report the discovery of PSR J1838-0537, a gamma-ray pulsar found through a blind search of data from the Fermi Large Area Telescope (LAT). The pulsar has a spin frequency of 6.9…

astro-ph.HE2012★ 65 cited

Multi-wavelength observations of blazar AO 0235+164 in the 2008-2009 flaring state

M. Ackermann, M. Ajello, J. Ballet +208

The blazar AO 0235+164 (z = 0.94) has been one of the most active objects observed by Fermi Large Area Telescope (LAT) since its launch in Summer 2008. In addition to the continuou…

astro-ph.HE2012★ 47 cited

Gamma-ray observations of the Orion Molecular Clouds with the Fermi Large Area Telescope

M. Ackermann, M. Ajello, A. Allafort +142

We report on the gamma-ray observations of giant molecular clouds Orion A and B with the Large Area Telescope (LAT) on-board the Fermi Gamma-ray Space Telescope. The gamma-ray emis…

astro-ph.CO2012★ 31 cited

The VIMOS Public Extragalactic Redshift Survey (VIPERS): spectral classification through Principal Component Analysis

A. Marchetti, B. R. Granett, L. Guzzo +51

We develop a Principal Component Analysis aimed at classifying a sub-set of 27,350 spectra of galaxies in the range 0.4 < z < 1.0 collected by the VIMOS Public Extragalactic Redshi…