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Related papers: IGR J17098-3628: an X-ray Nova discovered by INTEG…

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The peculiar X-ray binary Cygnus X-3 has been observed on several occasions with the X/gamma-ray instruments on board INTEGRAL. We have collected data from available public and Galactic Plane Scan observations between December 2002 and…

Astrophysics · Physics 2007-05-23 L. Hjalmarsdotter , A. A. Zdziarski , A. Paizis , V. Beckmann , O. Vilhu

In the last 25 years, a new generation of X-ray satellites imparted a significant leap forward in our knowledge of X-ray pulsars. The discovery of accreting and transitional millisecond pulsars proved that disk accretion can spin up a…

Long-term monitoring of the recently discovered X-ray transient, IGR J17098-3628, by the All Sky Monitor on board the Rossi X-ray Timing Explorer, has shown that it displays a long term (~163d) quasi-periodic modulation in the data spanning…

High Energy Astrophysical Phenomena · Physics 2009-11-13 M. M. Kotze , P. A. Charles , L. A. Crause

In this work, we present the first detailed analysis of the supernova remnant RX J1713.7-3946 in the hard X-ray energy range with the IBIS coded-mask telescope on board the INTEGRAL observatory. The shell-type morphology of the entire…

High Energy Astrophysical Phenomena · Physics 2019-08-20 Ekaterina Kuznetsova , Roman Krivonos , Eugene Churazov , Natalia Lyskova , Alexander Lutovinov

The X-ray source IGR J16318-4848 was the first source discovered by INTEGRAL. The high energy spectrum exhibits such a high column density that the source is undetectable in X-rays below 2 keV. We used the NTT telescope of ESO to obtain…

Astrophysics · Physics 2009-11-10 P. Filliatre , S. Chaty

The X-ray source SAXJ1712.6-3739 is a very weak Low Mass X-ray Binary discovered in 1999 with BeppoSAX and located in the Galactic Center. This region has been deeply investigated by the INTEGRAL satellite with an unprecedented exposure…

Astrophysics · Physics 2009-11-13 Mariateresa Fiocchi , Angela Bazzano , Pietro Ubertini , Giovanni De Cesare

We present the results of our optical identifications of several hard X-ray sources from the INTEGRAL all-sky survey obtained over 14 years of observations. Having improved the positions of these objects in the sky with the X-ray telescope…

We report here on near infrared observations of the field around IGR J16358-4756. The source belongs to the new class of highly absorbed X-ray binaries discovered by IBIS/INTEGRAL. Our primary goal was to identify the infrared counterpart…

AX J1910.7+0917 is a still unidentified source discovered with ASCA and observed more recently with IBIS/ISGRI, mainly noticeable for its rather hard spectrum. We analyzed all the public available data on this source, and we took advantage…

High Energy Astrophysical Phenomena · Physics 2011-04-28 L. Pavan , E. Bozzo , C. Ferrigno , C. Ricci , A. Manousakis , R. Walter , L. Stella

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

The hard X-ray sensitivity and arcminute position accuracy of the recently launched International Gamma-Ray Laboratory (INTEGRAL) has lead to the (re-)discovery of a class of heavily absorbed hard X-ray sources lying in the Galactic plane.…

Astrophysics · Physics 2009-11-07 J. Rodriguez , J. A. Tomsick , L. Foschini , R. Walter , A. Goldwurm , S. Corbel , P. Kaaret

We report on a multi-band high-energy observing campaign aimed at studying the long term spectral variability of the Anomalous X-ray Pulsar (AXP) 1RXS J170849.0-400910, one of the magnetar candidates. We observed 1RXS J170849.0-400910 in…

Astrophysics · Physics 2009-11-13 D. Gotz , N. Rea , G. L. Israel , S. Zane , P. Esposito , E. V. Gotthelf , S. Mereghetti , A. Tiengo , R. Turolla

The ESA INTErnational Gamma-Ray Astrophyisics Laboratory (INTEGRAL) is composed of two main instruments (IBIS and SPI) for the gamma-ray astrophysics (20 keV - 10 MeV), plus two monitors (JEM-X and OMC) for X-ray and optical counterparts.…

Astrophysics · Physics 2017-08-23 L. Foschini , G. Di Cocco , G. Malaguti

We simulate the observation of a bright Nova Musca-like X-ray nova during outburst with INTEGRAL, the next ESA gamma-ray space observatory. We will show how performances of the INTEGRAL instruments allow deep study of X-ray Novae and will…

Astrophysics · Physics 2007-05-23 P. Goldoni , A. Goldwurm , P. Laurent , F. Lebrun , B. Cordier

We present the preliminary results of the INTEGRAL survey of the Large Magellanic Cloud. The observations have been carried out in January 2003 (about 10^6 s) and January 2004 (about 4x10^5 s). Here we concentrate on the bright sources LMC…

A new type of high-energy binary systems has been revealed by the INTEGRAL satellite. These sources are in the course of being unveiled by means of multi-wavelength optical, near- and mid-infrared observations. Among these sources, two…

Astrophysics · Physics 2007-10-02 Sylvain Chaty

The Galactic bulge region is a rich host of variable high-energy point sources. Since 2005, February 17 we are monitoring the source activity in this region about every three days with INTEGRAL. Thanks to the large field of view, the…

KS 1741-293, discovered in 1989 by the X-ray camera TTM in the Kvant module of the Mir space station and identified as an X-ray burster, has not been detected in the hard X band until the advent of the INTEGRAL observatory. Moreover this…

Astrophysics · Physics 2009-11-13 G. De Cesare , A. Bazzano , S. Martinez Nunez , G. Stratta , A. Tarana , M. De Santo , P. Ubertini

We report on a Chandra grating observation of the recently discovered hard X-ray transient IGR J17497-2821. The observation took place about two weeks after the source discovery at a flux level of about 20 mCrab in the 0.8-8 keV range. We…

With respect to the recent INTEGRAL/IBIS 9-year Galactic Hard X-ray Survey (Krivonos et al. 2012), we use archival Swift/XRT observations in conjunction with multi-wavelength information to discuss the counterparts of a sample of newly…

High Energy Astrophysical Phenomena · Physics 2013-04-17 R. Landi , L. Bassani , A. Bazzano , M. Fiocchi , A. J. Bird