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Related papers: INTEGRAL: science highlights and future prospects

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Observations of SS433 by INTEGRAL carried out in March -- May 2003 are presented. SS433 is evidently detected on the INTEGRAL images of the corresponding sky region in the energy bands 25-50 and 50-100 keV. The precessional variability of…

Since it started observing the sky, the INTEGRAL satellite has discovered new categories of high mass X-ray binaries (HMXB) in our Galaxy. These observations raise important questions on the formation and evolution of these rare and…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Alexis Coleiro , Sylvain Chaty , Juan A. Zurita Heras , Farid Rahoui , John A. Tomsick

We have performed observations of the blazar S5 0716+714 with INTEGRAL on 2-6 April 2004. In the first months of 2004, the source had increased steadily in optical brightness and had undergone two outbursts. During the latter, occurred in…

Astrophysics · Physics 2009-11-10 E. Pian , L. Foschini , V. Beckmann

The IBIS imager on board INTEGRAL, with a sensitivity better than a mCrab in deep observations and a point source location accuracy of the order of few arcminutes, has localized so far 723 hard X-ray sources in the 17--100 keV energy band,…

High Energy Astrophysical Phenomena · Physics 2015-05-19 M. Fiocchi , L. Bassani , A. Bazzano , P. Ubertini , R. Landi , F. Capitanio , A. J. Bird

In this paper we first review the results obtained by the INTEGRAL mission in the domain of Gamma-Ray Bursts (GRBs), thanks to the INTEGRAL Burst Alert System, which is able to deliver near real-time alerts for GRBs detected within the IBIS…

High Energy Astrophysical Phenomena · Physics 2021-12-15 D Gotz , C. Gouiffes , J. Rodriguez , P. Laurent , E. Jourdain , J. P. Roques , S. Mereghetti , S. Lutovinonv , V. Savchenko , L. Hanlon , A. Martin-Carrillo , P. Moran

We present spectra for 34 accretion-powered X-ray and one millisecond pulsars that were within the field of view of the INTEGRAL observatory over two years (December 2002 - January 2005) of its in-orbit operation and that were detected by…

Astrophysics · Physics 2009-11-13 E. V. Filippova , S. S. Tsygankov , A. A. Lutovinov , R. A. Sunyaev

Analysis of INTEGRAL Core Program and public Open Time observations has recently provided a sample of 60 extragalactic sources selected in the 20-100 keV band above a flux of 1.5 10^-11 erg/cm2/s. As this band probes heavily obscured…

Astrophysics · Physics 2019-08-14 L. Bassani , A. Malizia , J. B. Stephen

Amongst the sources seen in very high gamma-rays several are associated with Pulsar Wind Nebulae (``TeV plerions''). The study of hard X-ray/soft gamma-ray emission is providing an important insight into the energetic particle population…

Astrophysics · Physics 2008-11-26 A. I. D. Hoffmann , D. Horns , A. Santangelo

Within the framework of our program of assessment of the nature of unidentified or poorly known INTEGRAL sources, we present here spectroscopy of optical objects, selected through positional cross-correlation with soft X-ray detections…

The European gamma-ray observatory INTEGRAL has found a group of hard X-ray sources which are highly absorbed, i.e., with column densities higher than about 10^{23}/cm^2. Here I give an overview of this class of INTEGRAL sources. The X-ray,…

Astrophysics · Physics 2009-11-11 Erik Kuulkers

The INTEGRAL mission has played a major role in blazar science, thanks to its sensitive coverage of a spectral region (3-100 keV) that is critical for this type of sources, to its flexibility of scheduling and to the large field of view of…

High Energy Astrophysical Phenomena · Physics 2017-03-28 Elena Pian

We used data from the INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) to set upper-limits on the ${\gamma}$-ray and hard X-ray prompt emission associated with the gravitational wave event GW170104, discovered by the LIGO/Virgo…

Using observations of the INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL), we put upper limits on the gamma-ray and hard X-ray prompt emission associated with the gravitational wave event GW150914, discovered by the LIGO/Virgo…

A lot of information concerning the mechanism of nova explosions will be extracted from the possible future observations with INTEGRAL. In order to be prepared for this task, we are performing detailed models of the gamma-ray emission of…

Astrophysics · Physics 2007-05-23 M. Hernanz , J. Gomez-Gomar , J. Jose , A. Coc , J. Isern

Since its launch on October 2002 the INTEGRAL satellite is performing an deep survey of the hard X-ray sky with unprecedented sensitivity and positional accuracy. This allowed pinpointing, through positional cross-correlation with catalogs…

Astrophysics · Physics 2009-11-11 Nicola Masetti

The International Gamma-Ray Astrophysics Laboratory (INTEGRAL) satellite has detected in excess of 1000 sources in the ~20-100 keV band during its surveys of the sky over the past 17 years. We obtained 5 ks observations of 15 unclassified…

The INTEGRAL satellite, during its regular scanning observations of the Galactic plane, has discovered several new X-ray sources emitting above 20 keV. The nature of the great majority of them is still unknown. Here we report on the likely…

Astrophysics · Physics 2009-11-10 L. Sidoli , S. Vercellone , S. Mereghetti , M. Tavani

A number of new X-ray sources (IGR J17091-3624, IGR/XTE J17391-3021, IGR J17464-3213 (= XTE J17464-3213 = H 1743-322), IGR J17597-2201, SAX/IGR J18027-2017) have been observed with the INTEGRAL observatory during ultra deep exposure of the…

Astrophysics · Physics 2009-11-10 A. Lutovinov , M. Revnivtsev , S. Molkov , R. Sunyaev

We report the results of identification of 8 hard X-ray sources discovered by the INTEGRAL observatory during the ongoing all-sky survey. These sources have been observed by Chandra. In 6 cases a bright X-ray source was found within the…

Astrophysics · Physics 2009-11-23 S. Sazonov , E. Churazov , M. Revnivtsev , A. Vikhlinin , R. Sunyaev

In this letter we present the result of the cross correlation between the 4th INTEGRAL/IBIS soft gamma-ray catalog, in the range 20-100 keV, and the Fermi LAT bright source list of objects emitting in the 100 MeV - 100 GeV range. The main…

High Energy Astrophysical Phenomena · Physics 2014-11-20 P. Ubertini , V. Sguera , J. B. Stephen , L. Bassani , A. Bazzano , A. J. Bird
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