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Related papers: Magnetars

200 papers

Magnetars are the strongest magnets in the present universe and the combination of extreme magnetic field, gravity and density makes them unique laboratories to probe current physical theories (from quantum electrodynamics to general…

High Energy Astrophysical Phenomena · Physics 2015-11-04 Roberto Turolla , Silvia Zane , Anna Watts

Among the many different classes of stellar objects, neutron stars provide a unique environment where we can test (at the same time) our understanding of matter with extreme density, temperature, and magnetic field. In particular, the…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Nanda Rea

Magnetars are young and highly magnetized neutron stars which display a wide array of X-ray activity including short bursts, large outbursts, giant flares and quasi-periodic oscillations, often coupled with interesting timing behavior…

High Energy Astrophysical Phenomena · Physics 2017-08-30 Victoria M. Kaspi , Andrei Beloborodov

Ultramagnetized neutron stars or magnetars are magnetically powered neutron stars. Their strong magnetic fields dominate the physical processes in their crusts and their surroundings. The past few years have seen several advances in our…

Astrophysics · Physics 2007-05-23 Jeremy S. Heyl

Magnetars are the most luminous compact objects in the stellar mass range observed in the Milky Way, with giant flares of hard X-ray power ~10^45 erg/sec being detected from three soft gamma repeaters in the Galactic neighborhood.…

High Energy Astrophysical Phenomena · Physics 2020-12-22 Matthew G. Baring , Zorawar Wadiasingh , Peter L. Gonthier , Alice K. Harding , Kun Hu

We currently know about 30 magnetars: seemingly isolated neutron stars whose properties can be (in part) comprehended only acknowledging that they are endowed with magnetic fields of complex morphology and exceptional intensity-at least in…

High Energy Astrophysical Phenomena · Physics 2020-10-27 P. Esposito , N. Rea , G. L. Israel

Magnetars are neutron stars in which a strong magnetic field is the main energy source. About two dozens of magnetars, plus several candidates, are currently known in our Galaxy and in the Magellanic Clouds. They appear as highly variable…

High Energy Astrophysical Phenomena · Physics 2015-06-24 Sandro Mereghetti , Jose' Pons , Andrew Melatos

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

The giant flares produced by highly magnetized neutron stars, "magnetars," are the brightest sources of high energy radiation outside our solar system. Serendipitous observations with NASA's Rossi X-ray Timing Explorer (RXTE) of the two…

Astrophysics · Physics 2008-11-26 Tod E. Strohmayer

A substantial fraction of the known neutron stars resides in X-ray binaries -- systems in which one compact object accretes matter from a companion star. Neutron stars in X-ray binaries have magnetic fields among the highest found in the…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Mikhail Revnivtsev , Sandro Mereghetti

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

Magnetars are neutron stars with superstrong magnetic fields which can exceed 1e15 G. Some magnetars (the so-called soft gamma-repeaters) demonstrate occasionally very powerful processes of energy release, which result in exceptionally…

High Energy Astrophysical Phenomena · Physics 2024-09-18 D. G. Yakovlev

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

Two classes of X-ray pulsars, the Anomalous X-ray Pulsars and the Soft Gamma-ray Repeaters, have been recognized in the last decade as the most promising candidates for being magnetars: isolated neutron stars powered by magnetic energy. I…

Astrophysics · Physics 2009-06-23 Sandro Mereghetti

As the endpoints of massive star evolution, neutron stars are enigmatic celestial objects characterized by extremely dense and exotic nuclear matter, magnetospheres with positrons (antimatter), rapid rotation and ultra-strong magnetic…

Fast radio bursts are mysterious millisecond-duration transients prevalent in the radio sky. Rapid accumulation of data in recent years has facilitated an understanding of the underlying physical mechanisms of these events. Knowledge gained…

High Energy Astrophysical Phenomena · Physics 2020-11-11 Bing Zhang

Ultramagnetized neutron stars or magnetars have been invoked to explain several astrophysical phenomena. We examine how the magnetic field of a magnetar will decay over time and how this decay affects the cooling of the object. We find that…

Astrophysics · Physics 2009-10-30 Jeremy S. Heyl , S. R. Kulkarni

The last decade has seen the rapid, concurrent development of new classes of energetic astrophysical transients, including Fast Radio Bursts, Superluminous Supernovae, and ultralong gamma-ray bursts. We consider the implications of an…

Our Universe is full of regions where extreme physical conditions are realized. Among the most intriguing cases are the so-called magnetars: neutron stars with very dense cores and super-strong magnetic fields. In this paper I review the…

High Energy Physics - Phenomenology · Physics 2009-12-15 Vivian de la Incera

Thermal surface emissions have now been detected from more than a dozen isolated neutron stars, including radio pulsars, radio-quiet neutron stars and magnetars. These detections can potentially provide important information on the interior…

Astrophysics · Physics 2007-05-23 Dong Lai , W. C. G. Ho
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