output
19972026
most citedThe Swift X-ray Telescope

2.7k citations

Showing 2012 · astro-ph.HEShow all

20 papers · 2 filters

astro-ph.HE2012★ 102 cited

Constraints on the origin of cosmic rays above eV from large scale anisotropy searches in data of the Pierre Auger Observatory

Pierre Auger Collaboration

A thorough search for large scale anisotropies in the distribution of arrival directions of cosmic rays detected above eV at the Pierre Auger Observatory is reported. For…

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★ 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★ 77 cited

A Search for Point Sources of EeV Neutrons

The Pierre Auger Collaboration

A thorough search of the sky exposed at the Pierre Auger Cosmic Ray Observatory reveals no statistically significant excess of events in any small solid angle that would be indicat…

astro-ph.HE2012★ 39 cited

The Simultaneous Low State Spectral Energy Distribution of 1ES 2344+514 from Radio to Very High Energies

MAGIC Collaboration, J. Aleksić, L. A. Antonelli +191

[Abridged] Context. To construct and interpret the spectral energy distribution (SED) of BL Lacertae objects, simultaneous broad-band observations are mandatory. Aims. We present t…

astro-ph.HE2012★ 10 cited

A search for anisotropy in the arrival directions of ultra high energy cosmic rays recorded at the Pierre Auger Observatory

Pierre Auger Collaboration

Observations of cosmic ray arrival directions made with the Pierre Auger Observatory have previously provided evidence of anisotropy at the 99% CL using the correlation of ultra hi…

astro-ph.HE2012★ 76 cited

Search for Point-Like Sources of Ultra-High Energy Neutrinos at the Pierre Auger Observatory and Improved Limit on the Diffuse Flux of Tau Neutrinos

Pierre Auger Collaboration

The Surface Detector array of the Pierre Auger Observatory can detect neutrinos with energy between 10^17 eV and 10^20 eV from point-like sources across the sky south of +55 deg an…

astro-ph.HE2012★ 30 cited

X-ray spectroscopy of the ADC source X1822-371 with Chandra and XMM-Newton

R. Iaria, T. Di Salvo, A. D'Aì +5

The eclipsing low-mass X-ray binary X1822-371 is the prototype of the accretion disc corona (ADC) sources. We analyse two Chandra observations and one XMM-Newton observation to stu…

astro-ph.HE2012★ 55 cited

Large scale distribution of arrival directions of cosmic rays detected above eV at the Pierre Auger Observatory

Pierre Auger Collaboration

A thorough search for large scale anisotropies in the distribution of arrival directions of cosmic rays detected above eV at the Pierre Auger Observatory is presented. Th…

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.HE2012★ 49 cited

The Afterglow and ULIRG Host Galaxy of the Dark Short GRB 120804A

E. Berger, B. A. Zauderer, A. Levan +12

We present the optical discovery and sub-arcsecond optical and X-ray localization of the afterglow of the short GRB 120804A, as well as optical, near-IR, and radio detections of it…

astro-ph.HE2012★ 55 cited

Long-term Monitoring on Mrk 501 for Its VHE gamma Emission and a Flare in October 2011

YBJ Collaboration, B. Bartoli, P. Bernardini +101

As one of the brightest active blazars in both X-ray and very high energy -ray bands, Mrk 501 is very useful for physics associated with jets from AGNs. The ARGO-YBJ experiment…

astro-ph.HE2012★ 17 cited

Evidence for a resonant cyclotron line in IGR J16493-4348 from the Swift-BAT hard X-ray survey

A. D'Aì, G. Cusumano, V. La Parola +4

Resonant absorption cyclotron features are a key diagnostic tool to directly measure the strength of the magnetic field of accreting neutron stars. However, typical values for cycl…

astro-ph.HE2012★ 47 cited

Observation of the TeV gamma-ray source MGRO J1908+06 with ARGO-YBJ

YBJ Collaboration

The extended gamma ray source MGRO J1908+06, discovered by the Milagro air shower detector in 2007, has been observed for about 4 years by the ARGO-YBJ experiment at TeV energies,…

astro-ph.HE2012★ 20 cited

Swift observations of two supergiant fast X-ray transient prototypes in outburst

R. Farinelli, P. Romano, V. Mangano +6

We report on the results from observations of the most recent outbursts of XTE J1739-302 and IGR J17544-2619, which are considered to be the prototypes of the supergiant fast X-ray…

astro-ph.HE2012★ 37 cited

Average power density spectrum of Swift long gamma-ray bursts in the observer and in the source rest frames

C. Guidorzi, R. Margutti, L. Amati +5

We calculate the average power density spectra (PDS) of 244 long gamma-ray bursts detected with the Swift Burst Alert Telescope in the 15-150 keV band from January 2005 to August 2…

astro-ph.HE2012★ 78 cited

A search for ultra-high energy neutrinos in highly inclined events at the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +497

The Surface Detector of the Pierre Auger Observatory is sensitive to neutrinos of all flavours above 0.1 EeV. These interact through charged and neutral currents in the atmosphere…

astro-ph.HE2012★ 30 cited

Measurement of the cosmic ray antiproton/proton flux ratio at TeV energies with the ARGO-YBJ detector

YBJ Collaboration

Cosmic ray antiprotons provide an important probe to study the cosmic ray propagation in the interstellar space and to investigate the existence of dark matter. Acting the Earth-Mo…

astro-ph.HE2012★ 57 cited

Observation of TeV gamma rays from the Cygnus region with the ARGO-YBJ experiment

B. Bartoli, P. Bernardini, X. J. Bi +100

We report the observation of TeV gamma-rays from the Cygnus region using the ARGO-YBJ data collected from 2007 November to 2011 August. Several TeV sources are located in this regi…