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The X-ray persistent source 1E 1743.1-2843, located in the Galactic Centre region, has been detected by all X-ray telescope above 2 keV, whereas it is not visible in the soft X-rays (i. e. Rosat) because of the high column density along the…

Astrophysics · Physics 2007-05-23 M. Del Santo , L. Sidoli , A. Bazzano , M. Cocchi , G. De Cesare , A. Paizis , P. Ubertini

We report on the results of NuSTAR and XMM-Newton observations of the persistent X-ray source 1E1743.1-2843, located in the Galactic Center region. The source was observed between September and October 2012 by NuSTAR and XMM-Newton,…

We report the results of an XMM-Newton observation of the persistent X-ray source 1E1743.1-2843, located in the Galactic Center (GC) direction. We determine the position of the source at alpha_J2000=17h46m21.0s, delta_J2000=-28deg43'44"…

Astrophysics · Physics 2009-11-07 D. Porquet , J. Rodriguez , S. Corbel , P. Goldoni , R. S. Warwick , A. Goldwurm , A. Decourchelle

We report on our discovery and follow-up observations of the X-ray source SAX J1747.0-2853 detected in outburst on 1998, March 10 with the BeppoSAX Wide Field Cameras in the energy range 2-28 keV. The source is located about half degree off…

Astrophysics · Physics 2009-10-31 L. Natalucci , A. Bazzano , M. Cocchi , P. Ubertini , J. Heise , E. Kuulkers , J. J. M. in 't Zand

This work presents the broad-band time-averaged spectral analysis of neutron star low-mass X-ray binary, XTE J1710-281 by using the Suzaku archival data. The source was in a hard or an intermediate spectral state during this observation.…

High Energy Astrophysical Phenomena · Physics 2020-06-17 Prince Sharma , Rahul Sharma , Chetana Jain , Anjan Dutta

The black hole system 1E${\thinspace}$1740.7$-$2942 is usually the brightest hard X-ray source (above 20 keV) near the Galactic Center, but presents some epochs of low emission (below the INTEGRAL detection limit, for example). In this…

High Energy Astrophysical Phenomena · Physics 2015-01-15 Manuel Castro , Flavio D'Amico , Francisco Jablonski , João Braga

The neutron star binary SAX J1747.0-2853, located in the Galactic Center region at about 0.5 deg from Sgr A* and at a distance of 9 kpc, has been observed in outburst four times (1998, 1999, 2000 and 2001) by BeppoSAX and RossiXTE. At the…

Astrophysics · Physics 2009-11-10 L. Natalucci , A. Bazzano , M. Cocchi , P. Ubertini , R. Cornelisse , J. Heise , J. J. M. in 't Zand

We report the first detection with INTEGRAL of persistent hard X-ray emission (20 to 100 keV) from the Rapid Burster (MXB 1730-335), and describe its full spectrum from 3 to 100 keV. The source was detected on February/March 2003 during one…

Astrophysics · Physics 2009-11-10 M. Falanga , R. Farinelli , P. Goldoni , F. Frontera , A. Goldwurm , L. Stella

We present the results of our study of the X-ray spectrum for the source X-6 in the nearby galaxy M33 obtained for the first time at energies above 10 keV from the data of the NuSTAR orbital telescope. The archival Swift-XRT data for energy…

Astrophysics of Galaxies · Physics 2018-09-11 S. M. Nikolaeva , R. A. Krivonos , S. Yu. Sazonov

We present the results of an analysis of the quiescent X-ray emission from the Soft Gamma-Ray Repeater SGR1806-20, taken during an INTEGRAL ultra-deep survey of the Galactic Center region in autumn 2003. The total effective exposure time…

Astrophysics · Physics 2009-11-10 S. Molkov , K. Hurley , R. Sunyaev , P. Shtykovsky , M. Revnivtsev

The Accreting Millisecond X-ray Pulsar IGR J17591-2342 is a LMXB system that went in outburst on August 2018 and it was monitored by the NICER observatory and partially by other facilities. We aim to study how the spectral emission of this…

High Energy Astrophysical Phenomena · Physics 2022-12-28 A. Manca , A. F. Gambino , A. Sanna , G. K. Jaisawal , T. Di Salvo , R. Iaria , S. M. Mazzola , A. Marino , A. Anitra , E. Bozzo , A. Riggio , L. Burderi

The Galactic center region was observed with the XRISM X-ray observatory during the performance verification phase in 2024 and a point-like X-ray source was detected with the X-ray imager Xtend at a position of (RA, Dec)=(17h46m10.8s,…

We present the results from the spectral and timing analysis of the accreting neutron star 1A~1744-361 from the \nustar{} observation performed in its 2022 outbursts. The unabsorbed bolometric X-ray luminosity during this observation in the…

High Energy Astrophysical Phenomena · Physics 2023-10-31 Aditya S. Mondal , B. Raychaudhuri , G. C. Dewangan

We report the results of BeppoSAX and ASCA observations of the X-ray source 1E1743.1-2843, located in the region of the galactic center, performed between 1993 and 1998. Observations spanning almost twenty years show that 1E1743.1-2843 is a…

Astrophysics · Physics 2016-08-30 Davide I. Cremonesi , Sandro Mereghetti , Lara Sidoli , GianLuca Israel

The neutron star low-mass X-ray binary GRS 1741.9-2853 is a known type-I burster of the Galactic Center. It is transient, faint, and located in a very crowded region, only 10 arcmin from the supermassive black hole Sgr A*. Therefore, its…

High Energy Astrophysical Phenomena · Physics 2015-05-13 G. Trap , M. Falanga , A. Goldwurm , E. Bozzo , R. Terrier , P. Ferrando , D. Porquet , N. Grosso , M. Sakano

The microquasar 1E 1740.7-2942 is one of the most appealing source of the Galactic Centre region. The high energy feature detected once by SIGMA has been searched in the last years by INTEGRAL, but never confirmed. Classified as a…

Astrophysics · Physics 2007-10-02 M. Del Santo , A. Bazzano , N. Bezayiff , D. M. Smith , P. Ubertini , G. De Cesare , M. Federici

The Ibis/Isgri imager on Integral detected for the first time a hard X-ray source, IGR J17456-2901, located within 1' of Sgr A* over the energy range 20-100 keV. Here we present the results of a detailed analysis of ~7 Ms of Integral…

We report the results of a recent (July 2004) XMM-Newton Target of Opportunity observation of the Anomalous X-ray pulsar 1E 1048.1-5937, together with a detailed re-analysis of previous observations carried out in 2000 and 2003. In July…

Astrophysics · Physics 2009-11-10 A. Tiengo , S. Mereghetti , R. Turolla , S. Zane , N. Rea , L. Stella , G. L. Israel

We report INTEGRAL/IBIS results on temporal and spectral behaviour of the Low Mass X-ray Binary XB 1832-330 located in the globular cluster NGC 6652. During the 2003-2005 monitoring of the Galactic Centre, the source shows a weak flux…

Astrophysics · Physics 2007-05-23 Antonella Tarana , Angela Bazzano , Pietro Ubertini , Memmo Federici

The X-ray source IGR J16318-4848 was the first source discovered by INTEGRAL on 2003, January 29. The high energy spectrum exhibits such a high column density that the source is undetectable in X-rays below 2 keV. On 2003, February, 23--25…

Astrophysics · Physics 2007-05-23 Sylvain Chaty , Philippe Filliatre
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