中文
相关论文

相关论文: X-rays from the mode-switching PSR B0943+10

200 篇论文

We report the discovery of X-ray periodicity of ~265.3 ms from a deep XMM-Newton observation of the radio-quiet gamma-ray pulsar, PSR J2021+4026, located at the edge of the supernova remnant G78.2+2.1 (gamma-Cygni).The detected frequency is…

高能天体物理现象 · 物理学 2015-06-15 L. C. C. Lin , C. Y. Hui , C. P. Hu , J. H. K. Wu , R. H. H. Huang , L. Trepl , J. Takata , K. A. Seo , Y. Wang , Y. Chou , K. S. Cheng

The recent discovery of rotating radio transients and the quasi-periodicity of pulsar activity in the radio pulsar PSR B1931$+$24 has challenged the conventional theory of radio pulsar emission. Here we suggest that these phenomena could be…

天体物理学 · 物理学 2010-11-11 Xiang-Dong Li

Pulsations from the high mass X-ray binary AXJ1910.7+0917 were discovered during Chandra observations performed in 2011 (Israel et al. 2016). We report here more details on this discovery and discuss the source nature. The period of the…

高能天体物理现象 · 物理学 2017-06-21 L. Sidoli , G. L. Israel , P. Esposito , G. A. Rodriguez Castillo , K. Postnov

We report the detection of X-ray pulsations with a period of ~315.87 ms from the 2009 XMM-Newton observation for the radio-quiet gamma-ray pulsar, LAT PSR J0007+7303, centered in the supernova remnant CTA 1. The detected pulsed period is…

高能天体物理现象 · 物理学 2015-05-20 Lupin C. C. Lin , Regina H. H. Huang , Jumpei Takata , Chorng-Yuan Hwang , Albert K. H. Kong , Chung-Yue Hui

We report new results from a nulling study of PSR~B0751+32 (PSR J0754+3231), observed at 1250~MHz with the Five hundred meter Aperture Spherical radio Telescope (FAST). Our analysis confirms the presence of periodic nulling in this pulsar.…

高能天体物理现象 · 物理学 2026-04-10 W. M. Yan , N. Wang , F. F. Kou , Z. Y. Liu , J. P. Yuan , Z. G. Wen S. N. Sun , M. Y. Zou , Y. R. Wen , X. J. Chen

The discovery of millisecond pulsars switching between states powered either by the rotation of their magnetic field or by the accretion of matter, has recently proved the tight link shared by millisecond radio pulsars and neutron stars in…

高能天体物理现象 · 物理学 2015-04-28 A. Papitto , D. F. Torres

ASCA's long look at the 288 millisecond radio pulsar, PSR J0631+1036, reveals coherent X-ray pulsation from this source for the first time. The source was first detected in the serendipitous Einstein observation and later identified as a…

The double pulsar system J0737-3039 is not only a test bed for General Relativity and theories of gravity, but also provides a unique laboratory for probing the relativistic winds of neutron stars. Recent X-ray observations have revealed a…

天体物理学 · 物理学 2009-11-13 S. Chatterjee , B. M. Gaensler , A. Melatos , W. F. Brisken , B. W. Stappers

In this work, we observe the nearby pulsar, PSR B1929$+$10, using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). We find, for the first time, two new emission components with an extremely weak observed flux density of…

高能天体物理现象 · 物理学 2025-07-02 Zhengli Wang , Jiguang Lu , Weiyang Wang , Shunshun Cao , Jinchen Jiang , Jiangwei Xu , Kejia Lee , Enwei Liang , Hongguang Wang , Renxin Xu

The origin and radiation mechanisms of high energy emissions from pulsars have remained mysterious since their discovery. Here we report, based on a sample of 68 pulsars, observational connection of non-thermal X-ray emissions from pulsars…

高能天体物理现象 · 物理学 2023-02-15 Hsiang-Kuang Chang , Jr-Yue Hsiang , Che-Yen Chu , Yun-Hsin Chung , Tze-Hsiang Su , Tzu-Hsuan Lin , Chien-You Huang

In this paper, we report a detailed investigation of the multiwavelength properties of a newly detected gamma-ray pulsar, PSR J2021+4026, in both observational and theoretical aspects. We firstly identify an X-ray source in the XMM-Newton…

高能天体物理现象 · 物理学 2010-08-26 L. Trepl , C. Y. Hui , K. S. Cheng , J. Takata , Y. Wang , Z. Y. Liu , N. Wang

I present an analysis of the deepest X-ray exposure of a radio millisecond pulsar (MSP) to date, an X-ray Multi Mirror-Newton European Photon Imaging Camera spectroscopic and timing observation of the nearest known MSP, PSR J0437--4715. The…

高能天体物理现象 · 物理学 2015-06-12 Slavko Bogdanov

Pulsars are typically characterized by their stable, highly magnetized, and fast-rotating nature, which underpins their persistent radio emissions. However, the discovery of prolonged radio-quiet ("off") states in intermittent pulsars, such…

高能天体物理现象 · 物理学 2026-02-27 Abdujappar Rusul , Z. G. Wen , J. P. Yuan , Ali Esamdin , X. P. Zheng , Michael Kramer

We present the latest results from a multi-epoch timing and spectral study of the Transient Anomalous X-ray Pulsar XTE J1810-197. We have acquired seven observations of this pulsar with the Newton X-ray Multi-mirror Mission (XMM-Newton)…

天体物理学 · 物理学 2008-11-26 E. V. Gotthelf , J. P. Halpern

PSR J1819-1458 is a rotating radio transient (RRAT) source with an inferred surface dipole magnetic field strength of 5e13 G and a 4.26-s spin period. We present XMM-Newton observations of the X-ray counterpart of this source, CXOU…

We report the first detection of pulsed X-ray emission from the young, energetic radio and Gamma-ray pulsar PSR B1706-44. We find a periodic signal at a frequency of f = 9.7588088 +/- 0.0000026 Hz (at epoch 51585.34104 MJD), consistent with…

天体物理学 · 物理学 2009-11-07 E. V. Gotthelf , J. P. Halpern , R. Dodson

We report results from a multi-mission observational campaign of the transient X-ray pulsar 2S~1417$-$624 during its 2025 outburst, using data from NICER, IXPE, and NuSTAR. Phase-averaged and phase-resolved spectroscopy with NICER and…

As part of a survey for radio pulsars with the Parkes 64-m telescope we have discovered PSR J1622-4950, a pulsar with a 4.3-s rotation period. Follow-up observations show that the pulsar has the highest inferred surface magnetic field of…

Magnetars are neutron stars with extremely strong magnetic fields, frequently powering high-energy activity in X-rays. Pulsed radio emission following some X-ray outbursts have been detected (\citealt{Camilo2006,camilo2007a}), albeit its…

We report the detection of pulsed gamma-ray emission from the fast millisecond pulsars (MSPs) B1937+21 (also known as J1939+2134) and B1957+20 (J1959+2048) using 18 months of survey data recorded by the \emph{Fermi} Large Area Telescope…