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天体物理学 · 物理学 2015-06-24 Jun Yokogawa , Ken'ichi Torii , Takayoshi Kohmura , Katsuji Koyama

The new transient X-ray pulsar XTE J0111.2-7317 was observed with Advanced Satellite for Cosmology and Astrophysics (ASCA) on 1998 November 18, a few days after its discovery with the Proportional Counter Array onboard the Rossi X-ray…

We report the ASCA discovery of a new X-ray pulsar, AX J0049-732, in the Small Magellanic Cloud (SMC). The pulse shape is sinusoidal with a barycentric period of 9.1320 +/- 0.0004 s. The X-ray spectrum was fitted by an absorbed power-law…

天体物理学 · 物理学 2015-06-24 Masaru Ueno , Jun Yokogawa , Kensuke Imanishi , Katsuji Koyama

This paper has been withdrawn because it has not been vetted by CMS

高能物理 - 实验 · 物理学 2007-05-23 W. G. D. Dharmaratna , V. Hagopian , K. F. Johnson , J. McDonald , H. B. Prosper

I present an observational review of the five accretion-driven millisecond X-ray pulsars currently known, focusing on the results obtained with the Rossi X-ray Timing Explorer (RXTE) satellite. A prominent place in this review is given to…

天体物理学 · 物理学 2009-11-10 Rudy Wijnands

We report the serendipitous detection of two previously unreported pulsars from the direction of the Small Magellanic Cloud, with periods of 16.6 and 25.5 seconds. The detections are based on archival PCA data from the Rossi X-ray Timing…

天体物理学 · 物理学 2009-11-07 R. C. Lamb , D. J. Macomb , T. A. Prince , W. A. Majid

In this paper, we summarize the RXTE measurements of cyclotron resonance scattering features in 8 accreting pulsars. The wide bandpass and modest resolution of the RXTE instruments make them ideal for measuring these generally broad…

We have detected significant X-ray emission from the direction of the young radio pulsar PSR J1105-6107 using the ASCA Observatory. The 11 sigma detection includes 460 background-subtracted source counts derived using data from all four…

天体物理学 · 物理学 2009-10-30 E. V. Gotthelf , V. M. Kaspi

This paper has been withdrawn.

高能物理 - 唯象学 · 物理学 2008-02-03 A. Sopczak

We analyzed RXTE-PCA observations of a recent outburst of the X-ray pulsar XMMU J054134.7$-$682550. We calculated the pulse frequency history of the source. We found no sign of a binary companion. The source spins up when the X-ray flux is…

天体物理学 · 物理学 2009-05-15 S. C. Inam , L. J. Townsend , V. A. McBride , A. Baykal , M. J. Coe , R. H. D. Corbet

The accretion-powered millisecond X-ray pulsar, SAX J1808.4-3658, was observed in quiescence with ASCA in September 1999. We detected a dim X-ray source in the SIS data at the position consistent to SAX J1808.4-3658. The source count rate…

天体物理学 · 物理学 2009-10-31 Tadayasu Dotani , Kazumi Asai , Rudy Wijnands

We report on the discovery of polarized X-ray emission from an accreting millisecond pulsar. During a 10-day-long coverage of the February 2024 outburst of SRGA J144459.2-604207, the Imaging X-ray Polarimetry Explorer (IXPE) detected an…

We report the serendipitous discovery of a 7-s X-ray pulsar using data acquired with the Advanced Satellite for Cosmology and Astrophysics. The pulsar is detected as an unresolved source located towards a region of the Galactic plane (l,b ~…

天体物理学 · 物理学 2009-10-30 E. V. Gotthelf , G. Vasisht

This paper have been withdraw by the autors, because of a too early submission.

天体物理学 · 物理学 2007-05-23 S. Andreon , N. Capuano , G. Gargiulo , G. Longo , R. Tagliaferri , S. Zaggia

We report the first detection of radio emission from any anomalous X-ray pulsar (AXP). Data from the Very Large Array (VLA) MAGPIS survey with angular resolution 6" reveals a point-source of flux density 4.5 +/- 0.5 mJy at 1.4 GHz at the…

天体物理学 · 物理学 2009-11-13 J. P. Halpern , E. V. Gotthelf , R. H. Becker , D. J. Helfand , R. L. White

This paper has been withdrawn temporarily.

量子物理 · 物理学 2007-05-23 S. Ghosh , G. Kar , A. Roy

Regular monitoring of the SMC with RXTE has revealed a huge number of X-ray pulsars. Together with discoveries from other satellites at least 45 SMC pulsars are now known. One of these sources, a pulsar with a period of approximately 7.8…

天体物理学 · 物理学 2009-11-10 R. H. D. Corbet , S. Laycock , M. J. Coe , F. E. Marshall , C. B. Markwardt

RXTE observations of the X-ray transient pulsar 2S 1417-62 between 1999 November and 2000 August with a total exposure of $\sim 394$ ksec were analyzed. Observations include a main outburst followed by a series of mini outbursts. Changes in…

天体物理学 · 物理学 2009-11-10 S. C. Inam , A. Baykal , D. M. Scott , M. Finger , J. Swank

The results from two ASCA observations of AX J0057.4-7325 = RX J0057.3-7325 are presented. Coherent pulsations with a barycentric period of 101.45 +/- 0.07 s were discovered in the second observation. The X-ray spectrum was found to be hard…

天体物理学 · 物理学 2015-06-24 Jun Yokogawa , Ken'ichi Torii , Takayoshi Kohmura , Kensuke Imanishi , Katsuji Koyama

The paper was withdrawn because of its significant overlap with a paper appeared recently.

组合数学 · 数学 2008-06-30 Marilena Barnabei , Flavio Bonetti , Matteo Silimbani
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