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相关论文: First results on the HMXRB Pulsar SAXJ2103.5+4545 …

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We present preliminary results of observations of X-ray pulsar SAX J2103.5+4545 with INTEGRAL observatory in Dec 2002. Maps of this sky region in energy bands 3-10, 15-40, 40-100 and 100-200 keV are presented. The source is significantly…

天体物理学 · 物理学 2009-11-07 A. Lutovinov , S. Molkov , M. Revnivtsev

The High Mass X-ray Binary Pulsar SAXJ2103.5+4545 has been observed with INTEGRAL several times during the last outburst in 2002-2004. We report a comprehensive study of all INTEGRAL observations, allowing a study of the pulse period…

We present an INTEGRAL data analysis of the X-ray transient \object{SAX J2103.5+4545} during two outbursts detected in December 2002. The INTEGRAL coordinates and error circle agree with the position of the recently proposed optical…

天体物理学 · 物理学 2009-11-10 P. Blay , P. Reig , S. Martinez Nunez , A. Camero , P. Connell , V. Reglero

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…

天体物理学 · 物理学 2009-11-13 E. V. Filippova , S. S. Tsygankov , A. A. Lutovinov , R. A. Sunyaev

INTEGRAL regularly scans the Galactic plane to search for new objects and in particular for absorbed sources with the bulk of their emission above 10-20 keV. The first new INTEGRAL source was discovered on 2003 January 29, 0.5 degree from…

We studied 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…

天体物理学 · 物理学 2007-05-23 E. V. Filippova , S. S. Tsygankov , A. A. Lutovinov , R. A. Sunyaev

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…

天体物理学 · 物理学 2009-11-10 A. Lutovinov , M. Revnivtsev , S. Molkov , R. Sunyaev

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…

天体物理学 · 物理学 2009-11-13 Mariateresa Fiocchi , Angela Bazzano , Pietro Ubertini , Giovanni De Cesare

We report the first INTEGRAL timing and spectral analysis of the high mass X-ray binary source 2S 0114+65 at high energies (5-100 keV). The pulse period was found at 2.668 hr with a high pulsed fraction, ~80% in both the 20-40 keV and 40-80…

天体物理学 · 物理学 2009-11-11 E. W. Bonning , M. Falanga

We performed a detailed study of the 2007 outburst of the 352s pulsar SAXJ2103.5+4545, a Be/X-ray transient observed by INTEGRAL, to study its spectral and temporal properties during the evolution of the outburst. SAXJ2103.5+4545 was…

天体物理学 · 物理学 2009-04-14 L. Ducci , L. Sidoli , A. Paizis , S. Mereghetti , P. M. Pizzochero

IGR J18483-0311 is a poorly known transient hard X-ray source discovered by INTEGRAL during observations of the Galactic Center region performed between 23--28 April 2003. Aims: To detect new outbursts from IGR J18483-0311 using INTEGRAL…

天体物理学 · 物理学 2009-11-13 V. Sguera , A. B. Hill , A. J. Bird , A. J. Dean , A. Bazzano , P. Ubertini , N. Masetti , R. Landi , A. Malizia , D. J. Clark , M. Molina

We review the results of a timing analysis of the observations for ten bright X-ray pulsars (with fluxes >100 mCrab in the 20-100 keV energy band) that fell within the INTEGRAL field of view from 2003 to 2007. The dependence of the pulse…

高能天体物理现象 · 物理学 2015-05-13 A. A. Lutovinov , S. S. Tsygankov

IGR J17091-3624 was discovered in 2003 April by INTEGRAL/IBIS during its Galactic Centre Deep Exposure programme. The source was initially detectable only in the 40--100 keV range, but after two days was also detected in the 15-40 keV…

This letter presents the first results of an observational campaign to study the Galactic Centre with INTEGRAL. The mosaicked images obtained with the IBIS/ISGRI coded aperture instrument in the energy ranges 20-40 and 40-100 keV, give a…

Aims. We present the first long-term pulse profile study of the X-ray pulsar SAX J2103.5+4545. Our main goal is to study the pulse shape correlation either with luminosity, time or energy. Methods. This Be/X-ray binary system was observed…

天体物理学 · 物理学 2009-11-13 A. Camero Arranz , C. A. Wilson , M. H. Finger , V. Reglero

We present a type-I outburst of the high-mass X-ray binary EXO 2030+375, detected during INTEGRAL's Performance and Verification Phase in December 2002 (on-source time about 10e+06 seconds). In addition, six more outbursts have been…

天体物理学 · 物理学 2009-11-11 A. Camero Arranz , C. A. Wilson , P. Connell , S. Martínez Núñez , P. Blay , V. Beckmann , V. Reglero

In two recent INTEGRAL papers, Lutovinov et al. (2003) and Blay et al. (2004) report a timing and spectral analysis of the transient Be/X-ray pulsar SAX J2103.5+4545 at high energies (5--200 keV). In this work we present for the first time…

IGR J19140+098 was discovered during the early INTEGRAL observations of GRS1915+105 in March 2003. The following observations by INTEGRAL and RXTE show significant variability on various time scales from 100s to 1ks, but no pulsations. The…

天体物理学 · 物理学 2007-05-23 C. Cabanac , J. Rodriguez , P. O Petrucci , G. Henri , D. Hannikainen , P. Durouchoux

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…

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

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…

天体物理学 · 物理学 2009-11-10 L. Sidoli , S. Vercellone , S. Mereghetti , M. Tavani
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