English
Related papers

Related papers: The first X-ray eclipse of IGRJ16479-4514?

200 papers

Supergiant fast X-ray transients are a new class of high mass X-ray binaries recently discovered with INTEGRAL. Hours long outbursts from these sources have been observed on numerous occasions at luminosities of ~1E36-1E37 erg/s, whereas…

Astrophysics · Physics 2009-11-13 E. Bozzo , L. Stella , G. Israel , M. Falanga , S. Campana

We report results from the analysis of XMM-Newton and INTEGRAL data of IGR J16479-4514. The unpublished XMM-Newton observation, performed in 2012, occurred during the source eclipse. No point-like X-ray emission was detected from the…

High Energy Astrophysical Phenomena · Physics 2020-09-02 V. Sguera , A. Tiengo , L. Sidoli , A. J. Bird

The supergiant fast X-ray transient source IGR J16479-4514 was observed in outburst two times with Swift. Its quiescent state was investigated in-depth only once in 2008 through a relatively long pointed observation with XMM-Newton. The…

High Energy Astrophysical Phenomena · Physics 2015-05-13 E. Bozzo , A. Giunta , L. Stella , M. Falanga , G. Israel , S. Campana

We report on a 40 ks long, uninterrupted X-ray observation of the candidate supergiant fast X-ray transient (SFXT) IGRJ16418-4532 performed with XMM-Newton on February 23, 2011. This high mass X-ray binary lies in the direction of the Norma…

High Energy Astrophysical Phenomena · Physics 2015-05-30 L. Sidoli , S. Mereghetti , V. Sguera , F. Pizzolato

Context: IGR J16479-4514 is a fast X-ray transient known to display flares lasting typically a few hours. Recently, its counterpart has been identified with a supergiant star, therefore the source can be classified as member of the newly…

Astrophysics · Physics 2015-05-13 V. Sguera , L. Bassani , R. Landi , A. Bazzano , A. J. Bird , A. J. Dean , A. Malizia , N. Masetti , P. Ubertini

We report on combined INTEGRAL and XMM-Newton observations of the supergiant fast X-ray transient IGR J16418-4532. The observations targeted the X-ray eclipse region of IGR J16418-4532s orbit with continuous INTEGRAL observations across…

High Energy Astrophysical Phenomena · Physics 2015-06-15 S. P. Drave , A. J. Bird , L. Sidoli , V. Sguera , V. A. McBride , A. B. Hill , A. Bazzano , M. E. Goossens

The eclipsing hard X-ray source IGR J16479-4514 is the Supergiant Fast X-ray Transient (SFXT) with the shortest orbital period (3.32 days). This allowed us to perform a 250 ks long X-ray observation with Suzaku in 2012 February, covering…

High Energy Astrophysical Phenomena · Physics 2013-02-08 L. Sidoli , P. Esposito , V. Sguera , A. Bodaghee , J. A. Tomsick , K. Pottschmidt , J. Rodriguez , P. Romano , J. Wilms

We have analysed an archival XMM-Newton EPIC observation that serendipitously covered the sky position of a variable X-ray source AX J1714.1-3912, previously suggested to be a Supergiant Fast X-ray Transient (SFXT). During the XMM-Newton…

High Energy Astrophysical Phenomena · Physics 2022-03-30 L. Sidoli , V. Sguera , P. Esposito , L. Oskinova , M. Polletta

We present the results of the XMM-Newton observations of five hard X-ray emitters: IGR J08262-3736, IGR J17354-3255, IGR J16328-4726, SAX J1818.6-1703, and IGR J17348-2045. The first source is a confirmed supergiant high mass X-ray binary,…

High Energy Astrophysical Phenomena · Physics 2015-06-05 E. Bozzo , L. Pavan , C. Ferrigno , M. Falanga , S. Campana , S. Paltani , L. Stella , R. Walter

We report here on the XMM-Newton observations of the three supergiant fast X-ray transients (SFXT) XTE J1739-302, IGRJ08408-4503, and IGRJ18410-0535. For the latter source we only discuss some preliminary results of our data analysis. Some…

High Energy Astrophysical Phenomena · Physics 2011-07-04 E. Bozzo , C. Ferrigno , J. C. Leyder , L. Stella , G. Israel , A. Giunta , M. Falanga , S. Campana

We report on a 250 ks long X-ray observation of the supergiant fast X-ray transient (SFXT) IGR J16479-4514 performed with Suzaku in 2012 February. About 80% of the short orbital period (Porb=3.32 days) was covered as continuously as…

High Energy Astrophysical Phenomena · Physics 2015-06-12 L. Sidoli , P. Esposito , V. Sguera , A. Bodaghee , J. A. Tomsick , K. Pottschmidt , J. Rodriguez , P. Romano , J. Wilms

We studied the soft-X-ray emission of five hard-X sources: IGR J08262-3736, IGR J17354-3255, IGR J16328-4726, SAX J1818.6-1703 and IGR J17348-2045. These sources are: a confirmed supergiant high mass X-ray binary (IGR J08262-3736);…

High Energy Astrophysical Phenomena · Physics 2013-03-20 L. Pavan , E. Bozzo , C. Ferrigno , M. Falanga , S. Campana , S. Paltani , L. Stella , R. Walter

Context. Supergiant fast X-ray transients are a subclass of high mass X-ray binaries that host a neutron star accreting mass from the wind of its OB supergiant companion. They are characterized by an extremely pronounced and rapid…

High Energy Astrophysical Phenomena · Physics 2015-05-18 E. Bozzo , L. Stella , C. Ferrigno , A. Giunta , M. Falanga , S. Campana , G. Israel , J. C. Leyder

We present the results of combined INTEGRAL and XMM-Newton observations of the supergiant fast X-ray transient (SFXT) IGR J17354$-$3255. Three XMM-Newton observations of lengths 33.4 ks, 32.5 ks and 21.9 ks were undertaken, the first an…

High Energy Astrophysical Phenomena · Physics 2018-12-12 M. E. Goossens , A. J. Bird , A. B. Hill , V. Sguera , S. P. Drave

The hard X-ray source IGRJ11215-5952, discovered with INTEGRAL during a brief outburst in 2005, has been proposed as a new member of the class of Supergiant Fast X-ray Transients. Analysing archival INTEGRAL observations of the source…

Astrophysics · Physics 2008-11-26 Lara Sidoli , Ada Paizis , Sandro Mereghetti

IGR J16479-4514 is a member of the Supergiant Fast X-ray transient (SFXT) class. We present the light curves of its latest outburst, which occurred on January 29, 2009. During this outburst, IGR J16479-4514 showed prolonged activity lasting…

High Energy Astrophysical Phenomena · Physics 2015-05-18 V. La Parola , L. Ducci , P. Romano , L. Sidoli , G. Cusumano , S. Vercellone , V. Mangano , J. A. Kennea , H. A. Krimm , D. N. Burrows , N. Gehrels

The X-ray transient XMMU J174716.1-281048 was serendipitously discovered with XMM-Newton in 2003. It lies about 0.9 degrees off the Galactic Centre and its spectrum shows a high absorption (~8 x 10E22 cm^(-2)). Previous X-ray observations…

Astrophysics · Physics 2009-11-13 M. Del Santo , L. Sidoli , S. Mereghetti , A. Bazzano , A. Tarana , P. Ubertini

We report here discovery of a 3.32 day orbital period in the Supergiant Fast X-ray Transient (SFXT) source IGR J16479-4514. Using the long term light curve of this source obtained with Swift-BAT in the energy range of 15-50 keV, we have…

High Energy Astrophysical Phenomena · Physics 2015-05-13 Chetana Jain , Biswajit Paul , Anjan Dutta

IGRJ18410-0535 is a supergiant fast X-ray transients. This subclass of supergiant X-ray binaries typically undergoes few- hour-long outbursts reaching luminosities of 10^(36)-10^(37) erg/s, the occurrence of which has been ascribed to the…

High Energy Astrophysical Phenomena · Physics 2015-05-28 E. Bozzo , A. Giunta , G. Cusumano , C. Ferrigno , R. Walter , S. Campana , M. Falanga , G. Israel , L. Stella

We continue to study the fast X-ray transient XTE J1901+014 discovered in 2002 by the RXTE observatory, whose nature has not yet been established. Based on the XMM-Newton observations of the source in 2006, we have obtained its energy…

Astrophysics · Physics 2009-11-13 D. I. Karasev , A. A. Lutovinov , R. A. Burenin
‹ Prev 1 2 3 10 Next ›