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Related papers: Pulsar Physics without Magnetars

200 papers

PSR B1931+24 (J1933+2421) behaves as an ordinary isolated radio pulsar during active phases that are 5-10 days long. However, the radio emission switches off in less than 10 seconds and remains undetectable for the next 25-35 days, then it…

Astrophysics · Physics 2009-04-13 M. Kramer , A. G. Lyne , J. T. O'Brien , C. A. Jordan , D. R. Lorimer

In this work, we consider the possibility of energy release in pulsar magnetospheres deformed by gravitational waves from nearby sources. The strong electromagnetic fields in the magnetospheres may release non-negligible energy despite the…

High Energy Astrophysical Phenomena · Physics 2019-02-13 Huiquan Li , Jiancheng Wang

RADIO pulsars are thought to born with spin periods of 0.02-0.5 s and space velocities of 100-1000 km/s, and they are inferred to have initial dipole magnetic fields of 10^{11}-10^{13}. The average space velocity of a normal star in the…

Astrophysics · Physics 2015-06-24 H. Spruit , E. S. Phinney

After Michel (1994) introduced a phenomenological picture of `rapid magnetization' of newly born neutron stars (NSs), Muslimov & Page (1995) suggested that the physical conditions accompanying the formation of a NS may result in the surface…

Astrophysics · Physics 2009-10-28 A. Muslimov , D. Page

Despite intensive searches, the only pulsar within 0.1 pc of the central black hole in our Galaxy, Sgr A*, is a radio-loud magnetar. Since magnetars are rare among the Galactic neutron star population, and a large number of massive stars…

High Energy Astrophysical Phenomena · Physics 2016-04-06 Dimitrios Giannios , Duncan R. Lorimer

Radio pulsars are thought to spin-down primarily due to torque from magnetic dipole radiation (MDR) emitted by the time-varying stellar magnetic field as the star rotates. This assumption yields a `characteristic age' for a pulsar which has…

Astrophysics · Physics 2009-10-31 D. Marsden , R. E. Lingenfelter , R. E. Rothschild

We report detection of magnetar-like X-ray bursts from the young pulsar PSR J1846-0258, at the center of the supernova remnant Kes 75. This pulsar, long thought to be rotation-powered, has an inferred surface dipolar magnetic field of…

The purpose of this paper is to suggest how detailed single-pulse observations of ``slow'' radio pulsars may be utilized to construct an empirical model for their emission. It links the observational synthesis developed in a series of…

Astrophysics · Physics 2009-11-07 Joanna M. Rankin , Geoffrey A. E. Wright

Young radio pulsars shed vast amounts of rotational energy, sometimes as high as 100,000 times the total energy loss rate from the sun. The wide range of phenomena resulting from this energy loss include: glitches, timing noise, jets, bow…

Astrophysics · Physics 2007-05-23 J. F. Bell

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…

High Energy Astrophysical Phenomena · Physics 2026-02-27 Abdujappar Rusul , Z. G. Wen , J. P. Yuan , Ali Esamdin , X. P. Zheng , Michael Kramer

Surprisingly, the chronology of nearly 50 years of the pulsar magnetosphere and pulsar wind research is quite similar to the history of our civilization. Using this analogy, I have tried to outline the main results obtained in this field.…

High Energy Astrophysical Phenomena · Physics 2017-08-09 Vasily S. Beskin

The main issue of the pulsar magnetosphere is how the rotation power is converted into both particle beams which causes pulsed emissions, and a highly relativistic wind of electron-positron plasmas which forms surrounding nebulae shining in…

High Energy Astrophysical Phenomena · Physics 2015-05-30 Tomohide Wada , Shinpei Shibata

Forty years have passed since the discovery of pulsars, yet the physical mechanism of their coherent radio emission is a mystery. Recent observational and theoretical studies strongly suggest that the radiation outcoming from the pulsar…

High Energy Astrophysical Phenomena · Physics 2009-11-13 Dipanjan Mitra , Janusz Gil , George I. Melikidze

It appears that there is a genuine shortage of radio pulsars with surface magnetic fields significantly smaller than $\sim 10^8$ Gauss. We propose that the pulsars with very low magnetic fields are actually strange stars locked in a state…

Astrophysics · Physics 2009-11-13 Raka Dona Ray Mandal , Monika Sinha , Manjari Bagchi , Sushan Konar , Mira Dey , Jishnu Dey

We present the first self-consistent global simulations of pulsar magnetospheres with operating $e^\pm$ discharge. We focus on the simple configuration of an aligned or anti-aligned rotator. The star is spun up from zero (vacuum) state to a…

High Energy Astrophysical Phenomena · Physics 2014-10-28 Alexander Y. Chen , Andrei M. Beloborodov

Electrons/positrons produced in a pulsar magnetosphere emit synchrotron radiation, which is widely believed as the origin of the non-thermal X-ray emission detected from pulsars. Particles are produced by curvature photons emitted from…

High Energy Astrophysical Phenomena · Physics 2015-03-03 Shota Kisaka , Shuta J. Tanaka

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

Gravitational redshifts of neutron stars have a theoretical upper limit of z=0.62. Also, it is generally believed that neutron stars have magnetic fields on the order of ten to the twelfth to ten to the thirteenth G. A previously predicted…

General Relativity and Quantum Cosmology · Physics 2007-05-23 David Apsel

Despite considerable evidence verifying that millisecond pulsars are spun up through sustained accretion in low-mass X-ray binaries (LMXBs), it has proven surprisingly difficult to actually detect millisecond X-ray pulsars in LMXBs. There…

Astrophysics · Physics 2007-05-23 Deepto Chakrabarty

We study the pulse morphologies and pulse amplitudes of thermally emitting neutron stars with ultrastrong magnetic fields. The beaming of the radiation emerging from a magnetar was recently shown to be predominantly non-radial, with a small…

Astrophysics · Physics 2009-11-07 Feryal Ozel