相关论文: Confirmation of a High Magnetic Field in GRO J1008…

Firm Detection of a Cyclotron Resonance Feature with Suzaku in the X-ray Spectrum of GRO J1008-57 during a Giant Outburst in 2012

We report on the firm detection of a cyclotron resonance scattering feature (CRSF) in the X-ray spectrum of the Be X-ray binary pulsar, GRO J1008-57, achieved by the Suzaku Hard X-ray Detector during a giant outburst which was detected by…

高能天体物理现象 · 物理学 2015-06-18 Takayuki Yamamoto , Tatehiro Mihara , Mutsumi Sugizaki , Motoki Nakajima , Kazuo Makishima , Makoto Sasano

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

Accretion Torque Reversals in GRO J1008-57 Revealed by Insight-HXMT

GRO J1008-57, as a Be/X-ray transient pulsar, is considered to have the highest magnetic field in known neutron star X-ray binary systems. Observational data of the X-ray outbursts in GRO J1008-57 from 2017 to 2020 were collected by the…

高能天体物理现象 · 物理学 2021-02-25 W. Wang , Y. M. Tang , Y. L. Tuo , P. R. Epili , S. N. Zhang , L. M. Song , F. J. Lu , J. L. Qu , S. Zhang , M. Y. Ge , Y. Huang , B. Li , Q. C. Bu , C. Cai , X. L. Cao , Z. Chang , L. Chen , T. X. Chen , Y. B. Chen , Y. Chen , Y. P. Chen , W. W. Cui , Y. Y. Du , G. H. Gao , H. Gao , Y. D. Gu , J. Guan , C. C. Guo , D. W. Han , J. Huo , S. M. Jia , W. C. Jiang , J. Jin , L. D. Kong , C. K. Li , G. Li , T. P. Li , W. Li , X. Li , X. B. Li , X. F. Li , Z. W. Li , X. H. Liang , J. Y. Liao , B. S. Liu , C. Z. Liu , H. X. Liu , H. W. Liu , X. F. Lu , Q. Luo , T. Luo , R. C. Ma , X. Ma , B. Meng , Y. Nang , J. Y. Nie , G. Ou , X. Q. Ren , N. Sai , X. Y. Song , L. Sun , L. Tao , C. Wang , L. J. Wang , P. J. Wang , W. S. Wang , Y. S. Wang , X. Y. Wen , B. Y. Wu , B. B. Wu , M. Wu , G. C. Xiao , S. Xiao , S. L. Xiong , Y. P. Xu , R. J. Yang , S. Yang , J. J. Yang , Y. J. Yang , B. B. Yi , Q. Q. Yin , Y. You , F. Zhang , H. M. Zhang , J. Zhang , P. Zhang , W. Zhang , W. C. Zhang , Y. F. Zhang , Y. H. Zhang , H. S. Zhao , X. F. Zhao , S. J. Zheng , Y. G. Zheng , D. K. Zhou

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

Suzaku observation of the transient X-ray pulsar GRO J1008-57

We report the timing and broad-band spectral properties of the Be transient high mass X-ray binary pulsar GRO J1008-57 using a Suzaku observation in the declining phase of its 2007 November-December outburst. Pulsations with a period of…

太阳与恒星天体物理 · 物理学 2011-05-17 Sachindra Naik , Biswajit Paul , Chetan Kachhara , Santosh V. Vadawale

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

NuSTAR discovery of a cyclotron line in GRO J1750-27

GRO J1750-27, discovered during an outburst in 1995 with CGRO-BATSE, is one of the farthest known galactic Be-X-ray binary systems. This relatively poorly studied system recently went into an outburst in September 2021. The source was…

高能天体物理现象 · 物理学 2022-05-25 Ashwin Devaraj , Biswajit Paul

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

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

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

Discovery of a pulse-phase-transient cyclotron line in the X-ray pulsar GROJ2058+42

We report the discovery of absorption features in the X-ray spectrum of the transient X-ray pulsar GROJ2058+42. The features are detected around $\sim10$, $\sim20$ and $\sim30$ keV in both NuSTAR observations carried out during the source…

高能天体物理现象 · 物理学 2019-09-23 S. Molkov , A. Lutovinov , S. Tsygankov , I. Mereminskiy , A. Mushtukov

Discovery of cyclotron and narrow Fe K$_{\alpha}$ lines in HMXB GRO J1750-27

We report on timing and spectral analysis of transient Be X-ray pulsar GRO J1750-27 by using the Nuclear Spectroscopic Telescope Array (NuSTAR) observation from September 2021. This is the fourth outburst of the system since 1995. The…

高能天体物理现象 · 物理学 2022-04-20 Prince Sharma , Chetana Jain , Anjan Dutta

Cyclotron absorption lines in the era of Suzaku and NuSTAR

Cyclotron resonance scattering features or cyclotron absorption lines are unique features observed in the hard X-ray spectra of accretion powered X-ray pulsars with magnetic field of the order of 10$^{12}$ G. Detection of these features…

高能天体物理现象 · 物理学 2017-05-17 Gaurava K. Jaisawal , Sachindra Naik

Discovery of a Cyclotron Resonance Scattering Feature in the X-ray Spectrum of XTE J1946+274

Observations of the transient accreting pulsar XTE J1946+274 made with the Rossi X-ray Timing Explorer during the course of the 1998 September-November outburst, reveal a cyclotron resonance scattering feature (or "cyclotron line") in the…

天体物理学 · 物理学 2009-11-07 W. A. Heindl , W. Coburn , D. E. Gruber , R. E. Rothschild , I. Kreykenbohm , J. Wilms , R. Staubert

GRO J1744-28: an intermediate B-field pulsar in a low mass X-ray binary

The bursting pulsar, GRO J1744-28, went again in outburst after $\sim$18 years of quiescence in mid-January 2014. We studied the broad-band, persistent, X-ray spectrum using X-ray data from a XMM-Newton observation, performed almost at the…

高能天体物理现象 · 物理学 2015-06-24 A. D'Aì , T. Di Salvo , R. Iaria , J. A. García , A. Sanna , F. Pintore , A. Riggio , L. Burderi , E. Bozzo , T. Dauser , M. Matranga , C. G. Galiano , N. R. Robba

NuSTAR Discovery of a Cyclotron Line in the Be/X-ray Binary RX J0520.5-6932 During Outburst

We present spectral and timing analysis of NuSTAR observations of RX J0520.5$-$6932 in the 3-79 keV band collected during its outburst in January 2014. The target was observed on two epochs and we report the detection of a cyclotron…

高能天体物理现象 · 物理学 2015-06-22 Shriharsh P. Tendulkar , Felix Fürst , Katja Pottschmidt , Matteo Bachetti , Varun B. Bhalerao , Steven E. Boggs , Finn E. Christensen , William W. Craig , Charles A. Hailey , Fiona A. Harrison , Daniel Stern , John A. Tomsick , Dominic J. Walton , William Zhang

First characterization of Swift J1845.7-0037 with NuSTAR

The hard X-ray transient source Swift J1845.7-0037 was discovered in 2012 by Swift/BAT. However, at that time no dedicated observations of the source were performed. On Oct 2019 the source became active again, and X-ray pulsations with a…

高能天体物理现象 · 物理学 2020-02-12 V. Doroshenko , S. Tsygankov , J. Long , A. Santangelo , S. Molkov , A. Lutovinov , L. D. Kong , S. Zhang

NuSTAR Discovery of a cyclotron line in KS 1947+300

We present a spectral analysis of three simultaneous NuSTAR and Swift/XRT observations of the transient Be-neutron star binary KS 1947+300 taken during its outburst in 2013/2014. These broad-band observations were supported by Swift/XRT…

高能天体物理现象 · 物理学 2019-08-19 Felix Fuerst , Katja Pottschmidt , Joern Wilms , Jamie Kennea , Matteo Bachetti , Eric Bellm , Steven E. Boggs , Deepto Chakrabarty , Finn E. Christensen , William W. Craig , Charles J. Hailey , Fiona Harrison , Daniel Stern1 , John A. Tomsick , Dominic J. Walton , William Zhang , Cahill Center , Caltech , USA , CSST , UMBC , USA , CRESST , GSFC , USA , Remeis-Observatory , ECAP , Germany , Penn State University , USA , Universite de Toulouse , France , CNRS , IRAP , France , SSL , UCB , USA , Kavli Institute for Astrophysics , MIT , USA , DTU Space , TU Denmark , Denmark , Columbia Astrophysics Lab , Columbia University , USA , JPL , USA , GSFC , ASD , USA

Constraints on cyclotron features and accretion regime in the high-mass X-ray binary 4U 1700-37 from NuSTAR

4U 1700-37 is a wind-fed high-mass X-ray binary hosting a compact object, likely a neutron star, accreting from O6.5 Iaf+ supergiant HD 153919. Coherent pulsations not firmly detected; magnetic field strength remains uncertain. We analyze…

高能天体物理现象 · 物理学 2026-02-16 Lautaro West-Ocampo , Federico A. Fogantini , Enzo A. Saavedra , Jorge A. Combi , Federico García , Pedro L. Luque-Escamilla , Josep Martí , Sylvain Chaty , Juan F. Albacete-Colombo

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