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Related papers: INTEGRAL deep observations of the Small Magellanic…

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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…

The INTEGRAL satellite, which studies the Universe in the hard X-ray and soft Gamma-ray domain, has been operational for 5 years now. The X-ray telescopes, which use the coded mask technique, provide unprecedented spectral and imaging…

Astrophysics · Physics 2017-08-23 Volker Beckmann

Since its launch on October 2002, the INTEGRAL satellite has revolutionized our knowledge of the hard X-ray sky thanks to its unprecedented imaging capabilities and source detection positional accuracy above 20 keV. Nevertheless, many of…

The Large Magellanic Cloud (LMC) has been observed by both the Midcourse Space Experiment (MSX) in the mid-infrared and the Two Micron All Sky Survey (2MASS) in the near-infrared. We have performed a cross-correlation of the 1806 MSX…

Astrophysics · Physics 2009-11-06 Michael P. Egan , Schuyler D. Van Dyk , Stephan D. Price

The Galactic Bulge region is a rich host of variable high-energy point sources. These sources include bright and relatively faint X-ray transients, X-ray bursters, persistent neutron star and black-hole candidate binaries, X-ray pulsars,…

Optical and X-ray observations are presented here of a newly reported X-ray transient system in the Small Magellanic Cloud. The data reveal many previously unknown X-ray detections of this system and clear evidence for a 49.995d binary…

Astrophysics · Physics 2019-08-14 M. J. Coe , M. Schurch , R. H. D. Corbet , J. Galache , V. A. McBride , L. J. Townsend , A. Udalski , )

After the first nine years of INTEGRAL operational life, the discovery of new sources and source types, a large fraction of which are highly transient or highly absorbed, is certainly one of the most compelling results and legacies of…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Mariateresa Fiocchi , Lorenzo Natalucci

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

High Energy Astrophysical Phenomena · Physics 2010-05-04 S. Chaty

The International Gamma-Ray Astrophysics Laboratory (INTEGRAL), launched in 2002, continues its successful work in observing the sky at energies E>20 keV. The legacy of the mission already includes a large number of discovered or previously…

High Energy Astrophysical Phenomena · Physics 2022-01-14 Roman Krivonos , Sergey Sazonov , Ekaterina Kuznetsova , Alexander Lutovinov , Ilya Mereminskiy , Sergey Tsygankov

The first X-ray survey of the Large Magellanic Cloud (LMC) was performed with the Einstein satellite, revealing diffuse X-ray emission from hot gas and discrete X-ray sources. The ROSAT observations between 1990 and 1998 supplied the most…

Astrophysics · Physics 2007-05-23 F. Haberl

Context. The detection, thanks to the INTEGRAL satellite, of a number of new hard X-ray sources calls for the identification of their nature by means of observations at longer wavelengths. Aims. In our continuing campaign to identify…

This paper is the second in a series devoted to the hard X-ray (17-60 keV) whole sky survey performed by the INTEGRAL observatory over seven years. Here we present a catalog of detected sources which includes 521 objects, 449 of which…

High Energy Astrophysical Phenomena · Physics 2015-05-19 R. Krivonos , S. Tsygankov , M. Revnivtsev , S. Grebenev , E. Churazov , R. Sunyaev

The INTEGRAL archive developed at INAF-IASF Milano with the available public observations from late 2002 to 2016 is investigated to extract the X-ray properties of 58 High Mass X-ray Binaries (HMXBs). This sample consists of sources hosting…

High Energy Astrophysical Phenomena · Physics 2020-02-19 Lara Sidoli , Adamantia Paizis

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

We have detected 523 sources in a survey of the Small Magellanic Cloud (SMC) Wing with Chandra. By cross-correlating the X-ray data with optical and near-infrared catalogues we have found 300 matches. Using a technique that combines X-ray…

The INTEGRAL satellite has collected a large amount of data on magnetars in our Galaxy, spanning more than 20 years starting from 2003. The large data set obtained with the IBIS/ISGRI instrument at energies above 20 keV allows us to study…

High Energy Astrophysical Phenomena · Physics 2024-11-01 Dominik P. Pacholski , Lorenzo Ducci , Martin Topinka , Sandro Mereghetti

Local-Group galaxies provide access to samples of X-ray source populations of whole galaxies. The XMM-Newton survey of the Small Magellanic Cloud (SMC) completely covers the bar and eastern wing with a 5.6 deg^2 area in the (0.2-12.0) keV…

High Energy Astrophysical Phenomena · Physics 2015-06-16 R. Sturm , F. Haberl , W. Pietsch , J. Ballet , D. Hatzidimitriou , D. A. H. Buckley , M. Coe , M. Ehle , M. D. Filipovic , N. La Palombara , A. Tiengo

Early X-ray surveys of the Magellanic Clouds (MCs) were performed with the imaging instruments of the Einstein, ASCA and ROSAT satellites revealing discrete X-ray sources and large-scale diffuse emission. Large samples of supernova…

Astrophysics · Physics 2007-12-18 F. Haberl , W. Pietsch

The Advanced Satellite for Cosmology and Astrophysics (ASCA) has made multiple observations of the Small Magellanic Cloud (SMC). X-ray mosaic images in the soft (0.7--2.0 keV) and hard (2.0--7.0 keV) bands are separately constructed, and…

We have imaged the entire Small Magellanic Cloud (SMC), one of the two nearest star-forming dwarf galaxies, in all seven IRAC and MIPS bands. The low mass and low metallicity (1/6 solar) of the SMC make it the best local analog for…