output
19972026
most citedThe Swift X-ray Telescope

2.7k citations

Showing 2010 · astro-ph.HEShow all

17 papers · 2 filters

astro-ph.HE2010★ 17 cited

Suzaku observes weak flares from IGR J17391-3021 representing a common low-activity state in this SFXT

A. Bodaghee, J. A. Tomsick, J. Rodriguez +4

We present an analysis of a 37-ks observation of the supergiant fast X-ray transient (SFXT) IGR J17391-3021 (=XTE J1739-302) gathered with Suzaku. The source evolved from quiescenc…

astro-ph.HE2010★ 23 cited

Confirmation of the Supergiant Fast X-ray Transient nature of AX J1841.0-0536 from Swift outburst observations

P. Romano, V. Mangano, G. Cusumano +8

Swift observed an outburst from the supergiant fast X-ray transients (SFXT) AX J1841.0-0536 on 2010 June 5, and followed it with XRT for 11 days. The X-ray light curve shows an ini…

astro-ph.HE2010★ 79 cited

The exposure of the hybrid detector of the Pierre Auger Observatory

The Pierre Auger Collaboration

The Pierre Auger Observatory is a detector for ultra-high energy cosmic rays. It consists of a surface array to measure secondary particles at ground level and a fluorescence detec…

astro-ph.HE2010★ 172 cited

The Palermo Swift-BAT hard X-ray catalogue III. Results after 54 months of sky survey

G. Cusumano, V. La Parola, A. Segreto +10

We present the Second Palermo Swift-BAT hard X-ray catalogue obtained by analysing data acquired in the first 54 months of the Swift mission. Using our software dedicated to the an…

astro-ph.HE2010★ 34 cited

Two years of monitoring Supergiant Fast X-ray Transients with Swift

P. Romano, V. La Parola, S. Vercellone +10

We present two years of intense Swift monitoring of three SFXTs, IGR J16479-4514, XTE J1739-302, and IGR J17544-2619 (since October 2007). Out-of-outburst intensity-based X-ray (0.…

astro-ph.HE2010★ 55 cited

The 2008 October Swift detection of X-ray bursts/outburst from the transient SGR-like AXP 1E 1547.0-5408

G. L. Israel, P. Esposito, N. Rea +17

We report on the detailed study of the 2008 October outburst from the anomalous X-ray pulsar (AXP) 1E 1547.0-5408 discovered through the Swift/Burst Alert Telescope (BAT) detection…

astro-ph.HE2010★ 29 cited

The Swift-BAT hard X-ray sky monitoring unveils the orbital period of the HMXB IGR J16493-4348

G. Cusumano, V. La Parola, P. Romano +3

IGR J16493-4348 is a supergiant high mass X-ray binary discovered by INTEGRAL in 2004. The source is detected at a significance level of standard deviations in the Swift-B…

astro-ph.HE2010★ 41 cited

Detection of an orbital period in the supergiant high mass X-ray binary IGR J164654507 with Swift-BAT

V. La Parola, G. Cusumano, P. Romano +3

We analysed the IGR J16465-4507 Burst Alert Teelescope survey data collected during the first 54 months of the Swift mission. The source is in a crowded field and it is revealed th…

astro-ph.HE2010★ 49 cited

Discovery of a new Soft Gamma Repeater, SGR J1833-0832

E. Gogus, G. Cusumano, A. J. Levan +20

On 2010 March 19, the Swift/Burst Alert Telescope triggered on a short burst with temporal and spectral characteristics similar to those of Soft Gamma Repeater (SGR) bursts. The so…

astro-ph.HE2010★ 175 cited

Unveiling the origin of X-ray flares in Gamma-Ray Bursts

G. Chincarini, J. Mao, R. Margutti +10

We present an updated catalog of 113 X-ray flares detected by Swift in the ~33% of the X-ray afterglows of Gamma-Ray Bursts (GRB). 43 flares have a measured redshift. For the first…

astro-ph.HE2010★ 54 cited

Gamma ray flares from Mrk421 in 2008 observed with the ARGO-YBJ detector

G. Aielli et al.

In 2008 the blazar Markarian 421 entered a very active phase and was one of the brightest sources in the sky at TeV energies, showing frequent flaring episodes. Using the data of A…

astro-ph.HE2010★ 32 cited

Early X-ray and optical observations of the soft gamma-ray repeater SGR 0418+5729

P. Esposito, G. L. Israel, R. Turolla +13

Emission of two short hard X-ray bursts on 2009 June 5 disclosed the existence of a new soft gamma-ray repeater, now catalogued as SGR 0418+5729. After a few days, X-ray pulsations…

astro-ph.HE2010★ 476 cited

Measurement of the energy spectrum of cosmic rays above 10^18 eV using the Pierre Auger Observatory

The Pierre Auger Collaboration

We report a measurement of the flux of cosmic rays with unprecedented precision and statistics using the Pierre Auger Observatory. Based on fluorescence observations in coincidence…

astro-ph.HE2010★ 12 cited

Unveiling the hard X-ray spectrum from the "burst-only" source SAX J1753.5-2349 in outburst

Melania Del Santo, Lara Sidoli, Patrizia Romano +4

Discovered in 1996 by BeppoSAX during a single type-I burst event, SAX J1753.5-2349 was classified as "burst-only" source. Its persistent emission, either in outburst or in quiesce…

astro-ph.HE2010★ 26 cited

The complex behaviour of the microquasar GRS 1915+105 in the rho class observed with BeppoSAX. I: Timing analysis

E. Massaro, G. Ventura, F. Massa +5

GRS 1915+105 was observed by BeppoSAX for about 10 days in October 2000. For about 80% of the time, the source was in the variability class , characterised by a series of recurr…

astro-ph.HE2010

Swift observations of the SFXT SAX J1818.6-1703 in outburst

P. Romano, L. Sidoli, P. Esposito +7

We present the Swift observations of the supergiant fast X-ray transient (SFXT) SAX J1818.6-1703 collected during the most recent outburst, which occurred on May 6 2009. In particu…

astro-ph.HE2010

The Swift view of Supergiant Fast X-ray Transients

L. Sidoli, P. Romano, L. Ducci +9

We report here on the recent results of a monitoring campaign we have been carrying out with Swift/XRT on a sample of four Supergiant Fast X-ray Transients. The main goal of this l…