相关论文: Accretion Torque Reversals in GRO J1008-57 Reveale…

Temporal Variations And Spectral Properties of Be/X-ray Pulsar GRO J1008-57 Studied by INTEGRAL

Spin period variations and hard X-ray spectral properties of Be/X-ray pulsar GRO J1008-57 are studied with INTEGRAL observations. The pulsation periods at 93.66 s in 2004 and at 93.73 s in 2009 are determined. Pulse profiles of GRO J1008-57…

高能天体物理现象 · 物理学 2015-06-18 Wei Wang

Insight-HXMT firm detection of the highest energy fundamental cyclotron resonance scattering feature in the spectrum of GRO J1008-57

We report on the observation of the accreting pulsar GRO J1008-57 performed by Insight-HXMT at the peak of the source's 2017 outburst. Pulsations are detected with a spin period of 93.283(1) s. The pulse profile shows double peaks at soft…

高能天体物理现象 · 物理学 2020-08-19 M. Y. Ge , L. Ji , S. N. Zhang , A. Santangelo , C. Z. Liu , V. Doroshenko , R. Staubert , J. L. Qu , S. Zhang , F. J. Lu , L. M. Song , T. P. Li , L. Tao , Y. P. Xu , X. L. Cao , Y. Chen , Q. C. Bu , C. Cai , Z. Chang , G. Chen , L. Chen , T. X. Chen , Y. B. Chen , Y. P. Chen , W. Cui , W. W. Cui , J. K. Deng , Y. W. Dong , Y. Y. Du , M. X. Fu , G. H. Gao , H. Gao , M. Gao , Y. D. Gu , J. Guan , C. C. Guo , D. W. Han , Y. Huang , J. Huo , S. M. Jia , L. H. Jiang , W. C. Jiang , J. Jin , Y. J. Jin , L. D. Kong , B. Li , C. K. Li , G. Li , M. S. Li , W. Li , X. Li , X. B. Li , X. F. Li , Y. G. Li , Z. W. Li , X. H. Liang , J. Y. Liao , B. S. Liu , G. Q. Liu , H. W. Liu , X. J. Liu , Y. N. Liu , B. Lu , X. F. Lu , Q. Luo , T. Luo , X. Ma , B. Meng , Y. Nang , J. Y. Nie , G. Ou , N. Sai , R. C. Shang , X. Y. Song , L. Sun , Y. Tan , Y. L. Tuo , C. Wang , G. F. Wang , J. Wang , L. J. Wang , W. S. Wang , Y. D. Wang , Y. S. Wang , X. Y. Wen , B. B. Wu , B. Y. Wu , M. Wu , G. C. Xiao , S. Xiao , S. L. Xiong , H. Xu , J. W. Yang , S. Yang , Y. J. Yang , Y. J. Yang , Q. B. Yi , Q. Q. Yin , Y. You , A. M. Zhang , C. M. Zhang , F. Zhang , H. M. Zhang , J. Zhang , T. Zhang , W. C. Zhang , W. Zhang , W. Z. Zhang , Y. Zhang , Y. F. Zhang , Y. J. Zhang , Y. Zhang , Z. Zhang , Z. Zhang , Z. L. Zhang , H. S. Zhao , X. F. Zhao , S. J. Zheng , Y. G. Zheng , D. K. Zhou , J. F. Zhou , R. L. Zhuang , Y. X. Zhu , Y. Zhu

X-ray pulsar GRO J1008$-$57 as an orthogonal rotator

X-ray polarimetry is a unique way to probe the geometrical configuration of highly magnetized accreting neutron stars (X-ray pulsars). GRO J1008$-$57 is the first transient X-ray pulsar observed at two different flux levels by the Imaging…

高能天体物理现象 · 物理学 2023-07-05 Sergey S. Tsygankov , Victor Doroshenko , Alexander A. Mushtukov , Juri Poutanen , Alessandro Di Marco , Jeremy Heyl , Fabio La Monaca , Sofia Forsblom , Christian Malacaria , Herman L. Marshall , Valery F. Suleimanov , Jiri Svoboda , Roberto Taverna , Francesco Ursini , Iván Agudo , Lucio A. Antonelli , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccolò Bucciantini , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Chien-Ting Chen , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Laura Di Gesu , Niccolò Di Lalla , Immacolata Donnarumma , Michal Dovčiak , Steven R. Ehlert , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Kiyoshi Hayashida , Wataru Iwakiri , Svetlana G. Jorstad , Philip Kaaret , Vladimir Karas , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Henric Krawczynski , Luca Latronico , Ioannis Liodakis , Simone Maldera , Alberto Manfreda , Frédéric Marin , Andrea Marinucci , Alan P. Marscher , Francesco Massaro , Giorgio Matt , Ikuyuki Mitsuishi , Tsunefumi Mizuno , Fabio Muleri , Michela Negro , Chi-Yung Ng , Stephen L. O'Dell , Nicola Omodei , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Abel Lawrence Peirson , Matteo Perri , Melissa Pesce-Rollins , Pierre-Olivier Petrucci , Maura Pilia , Andrea Possenti , Simonetta Puccetti , Brian D. Ramsey , John Rankin , Ajay Ratheesh , Oliver J. Roberts , Roger W. Romani , Carmelo Sgrò , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Toru Tamagawa , Fabrizio Tavecchio , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Kinwah Wu , Fei Xie , Silvia Zane

The accretion powered spin-up of GRO J1750-27

The timing properties of the 4.45 s pulsar in the Be X-ray binary system GRO J1750-27 are examined using hard X-ray data from INTEGRAL and Swift during a Type II outburst observed during 2008. The orbital parameters of the system are…

天体物理学 · 物理学 2012-11-27 S. E. Shaw , A. B. Hill , E. Kuulkers , S. Brandt , J. Chenevez , P. Kretschmar

Confirmation of a High Magnetic Field in GRO J1008-57

GRO J1008$-$57 is a high-mass X-ray binary for which several claims of a cyclotron resonance scattering feature near 80 keV have been reported. We use NuSTAR, Suzaku, and Swift data from its giant outburst of November 2012 to confirm the…

高能天体物理现象 · 物理学 2015-06-19 Eric C. Bellm , Felix Fuerst , Katja Pottschmidt , John A. Tomsick , Steven E. Boggs , Deepto Chakrabarty , Finn E. Christensen , William W. Craig , Charles J. Hailey , Fiona A. Harrison , Daniel Stern , Dominic J. Walton , Joern Wilms , William W. Zhang

GRO J1008-57: an (almost) predictable transient X-ray binary

A study of archival RXTE, Swift, and Suzaku pointed observations of the transient high mass X-ray binary GRO J1008-57 is presented. A new orbital ephemeris based on pulse arrival timing shows times of maximum luminosities during outbursts…

高能天体物理现象 · 物理学 2015-06-15 M. Kühnel , S. Müller , I. Kreykenbohm , F. Fürst , K. Pottschmidt , R. E. Rothschild , I. Caballero , V. Grinberg , G. Schönherr , C. Shrader , D. Klochkov , R. Staubert , C. Ferrigno , J. -M. Torrejón , S. Martínez-Núñez , J. Wilms

NuSTAR discovery of a cyclotron line in the accreting X-ray pulsar IGR J16393-4643

The high-mass X-ray binary and accreting X-ray pulsar IGR J16393-4643 was observed by NuSTAR in the 3-79 keV energy band for a net exposure time of 50 ks. We present the results of this observation which enabled the discovery of a cyclotron…

高能天体物理现象 · 物理学 2016-06-08 Arash Bodaghee , John A. Tomsick , Francesca A. Fornasini , Roman Krivonos , Daniel Stern , Kaya Mori , Farid Rahoui , Steven E. Boggs , Finn E. Christensen , William W. Craig , Charles J. Hailey , Fiona A. Harrison , William W. Zhang

Stable accretion from a cold disc in highly magnetized neutron stars

The aim of this paper is to investigate the transition of a strongly magnetized neutron star into the accretion regime with very low accretion rate. For this purpose we monitored the Be-transient X-ray pulsar GRO J1008-57 throughout a full…

高能天体物理现象 · 物理学 2017-11-29 S. S. Tsygankov , A. A. Mushtukov , V. F. Suleimanov , V. Doroshenko , P. K. Abolmasov , A. A. Lutovinov , J. Poutanen

Timing of the accreting millisecond pulsar IGR J17591-2342: evidence of spin-down during accretion

We report on the phase-coherent timing analysis of the accreting millisecond X-ray pulsar IGR J17591-2342, using Neutron Star Interior Composition Explorer (NICER) data taken during the outburst of the source between 2018 August 15 and 2018…

高能天体物理现象 · 物理学 2020-05-13 A. Sanna , L. Burderi , K. C. Gendreau , T. Di Salvo , P. S. Ray , A. Riggio , A. F. Gambino , R. Iaria , L. Piga , C. Malacaria , G. K. Jaisawal

The long-term evolution of the accreting millisecond X-ray pulsar Swift J1756.9-2508

We present a timing analysis of the 2009 outburst of the accreting millisecond X-ray pulsar Swift J1756.9-2508, and a re-analysis of the 2007 outburst. The source shows a short recurrence time of only ~2 years between outbursts. Thanks to…

高能天体物理现象 · 物理学 2015-05-14 Alessandro Patruno , Diego Altamirano , Chris Messenger

Timing an Accreting Millisecond Pulsar: Measuring the Accretion Torque in IGR J00291+5934

We performed a timing analysis of the fastest accreting millisecond pulsar IGR J00291+5934 using RXTE data taken during the outburst of December 2004. We corrected the arrival times of all the events for the orbital (Doppler) effects and…

天体物理学 · 物理学 2009-11-11 L. Burderi , T. Di Salvo , G. Lavagetto , M. T. Menna , A. Papitto , A. Riggio , R. Iaria , F. D'antona , N. R. Robba , L. Stella

Spin down during quiescence of the fastest known accretion-powered pulsar

We present a timing solution for the 598.89 Hz accreting millisecond pulsar, IGR J00291+5934, using Rossi X-ray Timing Explorer data taken during the two outbursts exhibited by the source on 2008 August and September. We estimate the…

高能天体物理现象 · 物理学 2015-05-19 A. Papitto , A. Riggio , L. Burderi , T. Di Salvo , A. D'Aí , R. Iaria

Relation of cyclotron resonant energy and luminosity in a strongly magnetized neutron star GRO J1008-57 observed by Insight-HXMT

Cyclotron line scattering features are detected in a few tens of X-ray pulsars (XRPs) and used as direct indicators of a strong magnetic field at the surface of accreting neutron stars (NSs). In a few cases, cyclotron lines are known to be…

高能天体物理现象 · 物理学 2021-09-29 X. Chen , W. Wang , Y. M. Tang , Y. Z. Ding , Y. L. Tuo , A. A. Mushtukov , O. Nishimura , S. N. Zhang , M. Y. Ge , L. M. Song , F. J. Lu , S. Zhang , J. L. Qu

The Angular Momentum of Accreting Neutron Stars

I review the rotation measurements of accreting neutron stars. Many of the highly magnetic accreting X-ray pulsars have been continuously observed with the Burst and Transient Source Experiment (BATSE) aboard the Compton Gamma-Ray…

天体物理学 · 物理学 2009-10-30 Lars Bildsten

Timing an Accreting Millisecond Pulsar: Measuring the Accretion Torque in IGR J00291+5934

We present here a timing analysis of the fastest accreting millisecond pulsar IGR J00291+5934 using RXTE data taken during the outburst of December 2004. We corrected the arrival times of all the events for the orbital (Doppler) effects and…

天体物理学 · 物理学 2008-11-26 L. Burderi , T. Di Salvo , A. Riggio , M. T. Menna , G. Lavagetto , A. Papitto , R. Iaria , N. R. Robba , L. Stella

Pulsar spin-down: the glitch-dominated rotation of PSR J0537-6910

The young, fast-spinning, X-ray pulsar J0537-6910 displays an extreme glitch activity, with large spin-ups interrupting its decelerating rotation every ~100 days. We present nearly 13 years of timing data from this pulsar, obtained with the…

高能天体物理现象 · 物理学 2017-11-08 D. Antonopoulou , C. M. Espinoza , L. Kuiper , N. Andersson

Study of the accretion torque during the 2014 outburst of the X-ray pulsar GRO J1744-28

We present the spectral and timing analysis of the X-ray pulsar GRO J1744-28 during its 2014 outburst using data collected with the X-ray satellites Swift, INTEGRAL, Chandra, and XMM-Newton. We derived, by phase-connected timing analysis of…

高能天体物理现象 · 物理学 2017-05-31 A. Sanna , A. Riggio , L. Burderi , F. Pintore , T. Di Salvo , A. D'Ai , E. Bozzo , P. Esposito , A. Segreto , F. Scarano , R. Iaria , A. F. Gambino

The likely Fermi detection of the Be X-ray binary GRO J1008-57: hint for gamma-ray production in neutron-star X-ray binaries

In our search for gamma-ray emission from Be X-ray binaries from analysis of the data obtained with the Large Area Telescope (LAT) on board the Fermi Gamma-Ray Space Telescope, we find likely detection of GRO J1008-57. The binary has an…

高能天体物理现象 · 物理学 2020-11-18 Yi Xing , Zhongxiang Wang

AstroSat observations of GRO J2058+42 during the 2019 outburst

We present results from AstroSat observation of the recent outburst of GRO J2058+42, an X-ray pulsar in a Be-binary system. The source was observed on April 10, 2019 by LAXPC and SXT instruments on AstroSat during its declining phase of the…

高能天体物理现象 · 物理学 2020-07-15 Kallol Mukerjee , H. M. Antia , Tilak Katoch

Accretion spin-up and a strong magnetic field in the slow-spinning Be X-ray binary MAXI J0655-013

We present MAXI and NuSTAR observations of the Be X-ray binary, MAXI J0655-013, in outburst. NuSTAR observed the source once early in the outburst, when spectral analysis yields a bolometric (0.1--100 keV), unabsorbed source luminosity of…

高能天体物理现象 · 物理学 2023-07-17 Sean N. Pike , Mutsumi Sugizaki , Jakob van den Eijnden , Benjamin Coughenour , Amruta D. Jaodand , Tatehiro Mihara , Sara E. Motta , Hitoshi Negoro , Aarran W. Shaw , Megumi Shidatsu , John A. Tomsick