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Since the discovery of FRB 200428 associated with the Galactic SGR 1935+2154, magnetars are considered to power fast radio bursts (FRBs). It is widely believed that magnetars could form by core-collapse (CC) explosions and compact binary…

High Energy Astrophysical Phenomena · Physics 2021-02-17 Z. Y. Zhao , G. Q. Zhang , Y. Y. Wang , Z. L. Tu , F. Y. Wang

A specific class of pulsar recycling model, in which magnetic-field decrease is a function only of the amount of mass accreted onto the neutron star, is examined in detail. It is shown that no model in this class is consistent with all…

Astrophysics · Physics 2015-06-24 Ralph A. M. J. Wijers

XRT 201423 is an X-ray transient with a nearly flat plateau lasting 4.1 ks followed by a steep decay. This feature indicates that it might come from a magnetar formed through a binary neutron star merger, similar to CDF-S XT2 and as…

High Energy Astrophysical Phenomena · Physics 2021-07-07 Shunke Ai , Bing Zhang

The origin and fate of magnetars (young, extremely magnetized neutron stars, NSs) remain unsolved. Probing their evolution is therefore crucial for investigating possible links to other species of isolated NSs, such as the X-ray dim NSs…

High Energy Astrophysical Phenomena · Physics 2021-09-29 Jedrzej A. Jawor , Thomas M. Tauris

We investigate the evolution of the magnetic field of isolated pulsars and of neutron stars in different kinds of binary systems, assuming the field to be originally confined to the crust. Our results for the field evolution in isolated…

Astrophysics · Physics 2009-10-30 Sushan Konar , Dipankar Bhattacharya

This is the summary of the parallel session entitled "White Dwarf Pulsars and Rotating White Dwarf Theory", chaired by Yukikatsu Terada in Thirteenth Marcel Grossmann Meeting. The origin of cosmic rays remains a mystery, even over 100 years…

High Energy Astrophysical Phenomena · Physics 2013-06-26 Yukikatsu Terada

Enormous progress has been made on observing stellar magnetism in stars from the main sequence through to compact objects. Recent data have thrown into sharper relief the vexed question of the origin of stellar magnetic fields, which…

Solar and Stellar Astrophysics · Physics 2015-06-24 Lilia Ferrario , Andrew Melatos , Jonathan Zrake

We propose the model describing the observed multiple fast radio bursts due to the close encounters and collisions of neutron stars in the central clusters of the evolved galactic nuclei. The subsystem of neutron star cluster may originate…

High Energy Astrophysical Phenomena · Physics 2017-12-07 V. I. Dokuchaev , Yu. N. Eroshenko

It is well established that magnetars are neutron stars with extreme magnetic fields and young ages, but the evolutionary pathways to their creation are still uncertain. Since most massive stars are in binaries, if magnetars are a frequent…

High Energy Astrophysical Phenomena · Physics 2022-05-06 A. A. Chrimes , A. J. Levan , A. S. Fruchter , P. J. Groot , P. G. Jonker , C. Kouveliotou , J. D. Lyman , E. R. Stanway , N. R. Tanvir , K. Wiersema

A growing population of long-period radio transients has been discovered and their physical origin is still up to debate. Recently, a new such source named ILT J1101 + 5521 was discovered, which is in a white dwarf (WD) -- red dwarf (RD)…

High Energy Astrophysical Phenomena · Physics 2025-02-03 Yuanhong Qu , Bing Zhang

White dwarfs with a F, G or K type companion represent the last common ancestor for a plethora of exotic systems throughout the galaxy, though to this point very few of them have been fully characterised in terms of orbital period and…

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

Cosmological Gamma-Ray Bursts (GRBs) are known to arise from distinct progenitor channels: short GRBs mostly from neutron star mergers and long GRBs from a rare type of core-collapse supernova (CCSN) called collapsars. Highly magnetized…

We present a population synthesis study of the observed properties of the magnetars, which allows for X-ray selection effects, investigating the hypothesis that they are drawn from a population of progenitors that are more massive than…

Astrophysics · Physics 2009-11-13 Lilia Ferrario , D. T. Wickramasinghe

After a brief review of population synthesis of close-by cooling neutron stars, I focus on the interpretation of dichotomy of spin periods of near-by coolers. The existence of two well separated groups -- short period ($\sim$0.1-0.3 s)…

High Energy Astrophysical Phenomena · Physics 2015-07-23 S. B. Popov

Globular clusters (GCs) with their ages of the order of several billion years contain many final products of evolution of stars such as: neutron stars, white dwarfs and probably also black holes. These compact objects can be at present…

High Energy Astrophysical Phenomena · Physics 2015-05-19 W. Bednarek

Recent discoveries of gravitational wave sources have advanced our knowledge about the formation of compact object binaries. At present, many questions about the stellar origins of binary neutron stars remain open. We explore the evolution…

High Energy Astrophysical Phenomena · Physics 2025-01-29 Clément Pellouin , Irina Dvorkin , Léonard Lehoucq

Interacting binaries containing white dwarfs can lead to a variety of outcomes that range from powerful thermonuclear explosions, which are important in the chemical evolution of galaxies and as cosmological distance estimators, to strong…

Symbiotic X-ray binaries are systems hosting a neutron star accreting form the wind of a late type companion. These are rare objects and so far only a handful of them are known. One of the most puzzling aspects of the symbiotic X-ray…

High Energy Astrophysical Phenomena · Physics 2022-04-13 E. Bozzo , P. Romano , C. Ferrigno , L. Oskinova

We highlight similarities between recently discovered Rotating Radio Transients and X-ray Dim Isolated Neutron Stars. In particular, it is shown that X-ray Dim Isolated Neutron Stars have a birthrate comparable to that of Rotating Radio…

Astrophysics · Physics 2009-11-11 S. B. Popov , R. Turolla , A. Possenti
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