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相关论文: The energetic thermonuclear bursts in SAX J1712.6-…

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We report on a thermonuclear (type-I) X-ray burst that was detected from the neutron star low-mass X-ray binary SAX J1810.8-2609 in 2007 with Swift. This event was longer (~20 min) and more energetic (a radiated energy of Eb~6.5E39 erg)…

高能天体物理现象 · 物理学 2015-06-11 N. Degenaar , R. Wijnands

We report on the Swift detection of a thermonuclear X-ray burst from the very-faint quasi-persistent neutron star X-ray binary XMMU J174716.1-281048, which triggered the satellite's Burst Alert Telescope (BAT) on 2010 August 13. Analysis of…

高能天体物理现象 · 物理学 2015-05-27 N. Degenaar , R. Wijnands , R. Kaur

We searched for thermonuclear X-ray bursts from Galactic neutron stars in all event mode data of the Neil Gehrels Swift Observatory collected until March 31, 2018. In particular, we are interested in the intermediate-duration bursts (shell…

高能天体物理现象 · 物理学 2019-01-16 J. J. M. in 't Zand , M. J. W. Kries , D. M. Palmer , N. Degenaar

We discuss the origin of two triggers of Swift's Burst Alert Telescope (BAT) that occurred in 2011. The triggers were identified with Swift J185003.2-005627, a previously unknown X-ray source, and the known but unclassified X-ray transient…

高能天体物理现象 · 物理学 2015-06-11 N. Degenaar , M. Linares , D. Altamirano , R. Wijnands

We analysed Rossi X-ray Timing Explorer observations of the accretion-powered 401 Hz pulsar SAX J1808.4-3658, in order to precisely determine the source distance. While the fluences for the five transient outbursts observed from 1996 were…

天体物理学 · 物理学 2011-02-11 Duncan Galloway , Andrew Cumming

Swift J1734.5-3027 is a hard X-ray transient discovered by Swift while undergoing an outburst in September 2013. Archival observations showed that this source underwent a previous episode of enhanced X-ray activity in May-June 2013. In this…

高能天体物理现象 · 物理学 2015-07-01 E. Bozzo , P. Romano , M. Falanga , C. Ferrigno , A. Papitto , H. A. Krimm

Type-I X-ray bursts are thermonuclear explosions occurring in the surface layers of accreting neutron stars. These events are powerful probes of the physics of neutron stars and their surrounding accretion flow. We analyze a very energetic…

高能天体物理现象 · 物理学 2015-06-12 N. Degenaar , J. M. Miller , R. Wijnands , D. Altamirano , A. C. Fabian

SAX J1748.9-2021 is a transiently accreting X-ray millisecond pulsar. It is also known as an X-ray burster source discovered by Beppo-SAX. We analysed the persistent emission and type-I X-ray burst properties during its 2015 outburst. The…

高能天体物理现象 · 物理学 2018-12-12 Zhaosheng Li , V. De Falco , M. Falanga , E. Bozzo , L. Kuiper , J. Poutanen , A. Cumming , D. K. Galloway , Shu Zhang

Swift J1858.6-0814 is a recently discovered X-ray binary notable for extremely strong variability (by factors $>100$ in soft X-rays) in its discovery state. We present the detection of five thermonuclear (Type I) X-ray bursts from Swift…

We present a study of weak, thermonuclear X-ray bursts from the accreting millisecond X-ray pulsar SAX J1808.4-3658. We focus on a burst observed with the Neutron Star Interior Composition Explorer on 2019 August 9, and describe a similar…

高能天体物理现象 · 物理学 2023-05-26 Sierra Casten , Tod Strohmayer , Peter Bult

Thermonuclear X-ray bursts from accreting neutron stars power brief but strong irradiation of their surroundings, providing a unique way to study accretion physics. We analyze MAXI/GSC and Swift/XRT spectra of a day-long flash observed from…

高能天体物理现象 · 物理学 2017-02-22 L. Keek , W. Iwakiri , M. Serino , D. R. Ballantyne , J. J. M. in 't Zand , T. E. Strohmayer

Swift J1749.4-2807 is the only known eclipsing accreting millisecond X-ray pulsar. In this paper, we report on 7 thermonuclear (Type-I) X-ray bursts observed by NICER during its 2021 outburst. The first 6 bursts show slow rises and long…

We monitored the neutron star low-mass X-ray binary SAX J1750.8-2900 after the end of its 2015/2016 outburst using the X-ray Telescope (XRT) aboard Swift to detect possible post-outburst 'rebrightenings', similar to those seen after its…

高能天体物理现象 · 物理学 2017-10-11 Aastha S. Parikh , Rudy Wijnands

The accreting millisecond X-ray pulsar Swift J1756.9$-$2508 went into outburst in April 2018 and June 2019, 8.7 yr after the previous activity period. We investigated the temporal, timing and spectral properties of these two outbursts using…

高能天体物理现象 · 物理学 2021-05-19 Z. S. Li , L. Kuiper , M. Falanga , J. Poutanen , S. S. Tsygankov , D. K. Galloway , E. Bozzo , Y. Y. Pan , Y. Huang , S. N. Zhang , S. Zhang

Modelling of thermonuclear X-ray bursts on accreting neutron stars has to date focused on stable accretion rates. However, bursts are also observed during episodes of transient accretion. During such events, the accretion rate can evolve…

高能天体物理现象 · 物理学 2018-03-28 Zac Johnston , Alexander Heger , Duncan K. Galloway

We analyzed a 115 ks XMM-Newton observation and the stacking of 8 days of INTEGRAL observations, taken during the raise of the 2015 outburst of the accreting millisecond X-ray pulsar SAX J1748.9-2021. The source showed numerous type-I burst…

With the observations from \textit{Rossi X-ray Timing Explorer}, we search and study the X-ray bursts of accreting millisecond X-ray pulsar SAX~J1748.9-2021 during its 2010 outburst. We find 13 X-ray bursts, including 12 standard…

高能天体物理现象 · 物理学 2018-06-11 Ziwei Wu , Guoqiang Ding , Zhibing Li , Yupeng Chen , Jinlu Qu

We have analysed in detail the discovery measurements of the X-ray burster SAX J1750.8-2900 by the Wide Field Cameras on board BeppoSAX in spring 1997, at a position ~1.2 degrees off the Galactic Centre. The source was in outburst on March…

天体物理学 · 物理学 2009-10-31 L. Natalucci , R. Cornelisse , A. Bazzano , M. Cocchi , P. Ubertini , J. Heise , J. J. M. in 't Zand , E. Kuulkers

We investigate the thermonuclear bursting behaviour of IGR J17473-2721, an X-ray transient that in 2008 underwent a six month long outburst, starting (unusually) with an X-ray burst. We detected a total of 57 thermonuclear bursts throughout…

On 2008 May 14, the Burst Alert Telescope aboard the Swift mission triggered on a type-I X-ray burst from the previously unclassified ROSAT object 1RXH J173523.7-354013, establishing the source as a neutron star X-ray binary. We report on…

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