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Related papers: High Magnetic Field Rotation-powered Pulsars

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The nature of the 5-12 s "anomalous" X-ray pulsars remains a mystery. Among the models that have been proposed to explain the properties of AXPs, the most likely ones are: (1) isolated accreting neutron stars evolved from the…

Astrophysics · Physics 2009-10-31 X. -D. Li

Anomalous X-ray pulsars and soft gamma repeaters are slowly rotating, young, and isolated neutron stars exhibiting sporadic outbursts and high X-ray quiescent luminosities. They are believed to be powered by ultrastrong magnetic fields,…

High Energy Astrophysical Phenomena · Physics 2021-06-02 Tushar Mondal

Soft gamma-ray repeaters (SGRs) and Anomalous X-ray pulsars (AXPs) are generally accepted to be magnetars. Recently, Zhang, Xu & Qiao (2000, ApJ, 545, L127) proposed an alternative viewpoint about the nature of the SGRs (and AXPs). In this…

Astrophysics · Physics 2007-05-23 Bing Zhang

The most energetic neutron stars, powered by their rotation, are capable of producing pulsed radiation from the radio up to gamma rays with nearly TeV energies. These pulsars are part of the universe of energetic and powerful particle…

High Energy Astrophysical Phenomena · Physics 2015-09-30 Isabelle A. Grenier , Alice K. Harding

Bright outbursts from Soft Gamma Repeaters (SGRs) and Anomalous X-ray Pulsars (AXPs) are believed to be caused by instabilities in ultramagnetized neutron stars, powered by a decaying magnetic field. It was originally thought that these…

Astrophysics · Physics 2007-05-23 Robert C. Duncan

X-ray pulsars (XRPs) are accreting strongly magnetised neutron stars (NSs) in binary systems with, as a rule, massive optical companions. Very reach phenomenology and high observed flux put them into the focus of observational and…

High Energy Astrophysical Phenomena · Physics 2023-04-27 Alexander Mushtukov , Sergey Tsygankov

Low energy X-ray emission (0.1-10 keV) from all six millisecond radio pulsars (MSPs) for which such emission has been reported support a proposed pulsar magnetic field evolution previously compared only to radiopulse data: old, very…

Astrophysics · Physics 2007-05-23 M. Ruderman

Magnetars and many of the magnetar-related objects are summarized together and discussed. It is shown that there is an abuse of language in the use of "magnetar". Anomalous X-ray pulsars and soft gamma-ray repeaters are well-known magnetar…

High Energy Astrophysical Phenomena · Physics 2014-06-26 H. Tong , W. Wang

Anomalous X-ray Pulsars and Soft-Gamma Repeaters groups are magnetar candidates featuring low characteristic ages ($\tau = {P\over{2 {\dot P}}}$). At least some of them they should still be associated with the remnants of the explosive…

High Energy Astrophysical Phenomena · Physics 2015-05-20 J. E. Horvath , M. P. Allen

Magnetars form a special population of neutron stars with strong magnetic fields and long spin periods. About 30 magnetars and magnetar candidates known currently are probably isolated. But the possibility that magnetars are in binaries…

High Energy Astrophysical Phenomena · Physics 2022-02-02 Kun Xu , Xiang-Dong Li , Zhe Cui , Qiao-Chu Li , Yong Shao , Xilong Liang , Jifeng Liu

Quiescence and burst emission and relativistic particle winds of soft gamma-ray repeaters (SGRs) have been widely interpreted to result from ultrastrongly magnetized neutron stars. In this magnetar model, the magnetic energy and…

Astrophysics · Physics 2007-05-23 K. S. Cheng , Z. G. Dai

As a result of recent observations with ROSAT and ASCA the number of rotation-powered pulsars seen at X-ray energies has increased substantially. In this paper we review the phenomenology of the observed X-ray emission properties. At…

Astrophysics · Physics 2016-08-30 W. Becker , J. Trümper

The origin of the strong magnetic fields measured in magnetars is one of the main uncertainties in the neutron star field. On the other hand, the recent discovery of a large number of such strongly magnetized neutron stars, is calling for…

High Energy Astrophysical Phenomena · Physics 2015-06-22 J. Martin , N. Rea , D. F. Torres , A. Papitto

The magnetar model and a solid quark star model for anomalous X-ray pulsars/soft gamma-ray repeaters (AXPs/SGRs) are discussed. Different manifestations of pulsar-like stars are speculated to be due to both their nature (e.g., mass and…

Astrophysics · Physics 2008-11-26 Renxin Xu

Two classes of X-ray/$\gamma$-ray sources, the Soft Gamma Repeaters and the Anomalous X-ray Pulsars have been identified with isolated, slowly spinning magnetars, neutron stars whose emission draws energy from their extremely strong…

High Energy Astrophysical Phenomena · Physics 2022-04-06 Simone Dall'Osso , Luigi Stella

Recent studies have shown possible connections between highly magnetized neutron stars ("magnetars"), whose X-ray emission is too bright to be powered by rotational energy, and ordinary radio pulsars. In addition to the magnetar SGR…

High Energy Astrophysical Phenomena · Physics 2017-04-12 J. Dexter , N. Degenaar , M. Kerr , A. Deller , J. Deneva , P. Lazarus , M. Kramer , D. Champion , R. Karuppusamy

Soft gamma-ray repeaters (SGRs) and anomalous X-ray pulsars (AXPs) are slowly rotating, isolated neutron stars that sporadically undergo episodes of long-term flux enhancement (outbursts) generally accompanied by the emission of short…

Magnetars are a unique class of neutron stars characterized by their incredibly strong magnetic fields. Unlike normal pulsars whose X-ray emission was driven by rotational energy loss, magnetars exhibit distinct X-ray emissions thought to…

High Energy Astrophysical Phenomena · Physics 2023-08-21 Che-Yen Chu , Hsiang-Kuang Chang

It is generally accepted that Anomalous X-ray Pulsars (AXPs) and Soft Gamma-ray Repeaters (SGRs) are magnetars, i.e. neutron stars with extremely high surface magnetic fields ($B > 10^{14}$ G). The origin of these high magnetic fields is…

Astrophysics · Physics 2009-11-11 Jacco Vink , Lucien Kuiper

Anomalous x-ray pulsars (AXPs) are thought to be magnetars which are young isolated neutron stars with extremely strong magnetic fields of > 10^14Gauss. Their tremendous magnetic fields inferred from the spin parameters provide a huge…

High Energy Astrophysical Phenomena · Physics 2015-06-11 J. H. K. Wu , C. Y. Hui , R. H. H. Huang , A. K. H. Kong , K. S. Cheng , J. Takata , P. H. T. Tam , E. M. H. Wu , C. -Y. Liu