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Related papers: X-rays from Radio Millisecond Pulsars

200 papers

With recent advances in the sensitivity of radio surveys of the Galactic disk, the number of millisecond pulsars (MSPs) has increased substantially in recent years such that it is now possible to study their demographic properties in more…

High Energy Astrophysical Phenomena · Physics 2022-03-14 Kshitij Aggarwal , Duncan. R. Lorimer

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

We present X-ray observations of the "redback" eclipsing radio millisecond pulsar and candidate radio pulsar/X-ray binary transition object PSR J1723-2837. The X-ray emission from the system is predominantly non-thermal and exhibits…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Slavko Bogdanov , Paolo Esposito , Fronefield Crawford , Andrea Possenti , Maura A. McLaughlin , Paulo Freire

The pulsar radio emission is commonly associated with the plasma outflow in the open field line tube; then a pencil beam is emitted along the pulsar magnetic axis. Observations suggest that there is an additional radio emission mechanism…

High Energy Astrophysical Phenomena · Physics 2018-12-12 Yuri Lyubarsky

The energy source powering the X-ray emission from anomalous X-ray pulsars (AXPs) and soft gamma-ray repeaters (SGRs) is still uncertain. In one scenario, the presence of an ultramagnetized neutron star, or ``magnetar'', with B on the order…

Astrophysics · Physics 2009-11-06 Rosalba Perna , Jeremy Heyl , Lars Hernquist , Adrienne Juett , Deepto Chakrabarty

In this paper, we compute a full atlas of radio, X-ray and $\gamma$-ray pulse profiles relying on the force-free magnetosphere model. Our goal is to use such data bank of multi-wavelength profiles to fit a substantial number of radio-loud…

High Energy Astrophysical Phenomena · Physics 2024-07-17 Jérôme Pétri

The intense magnetic fields of neutron stars naturally lead to strong anisotropy and polarization of radiation emanating from their surfaces, both being sensitive to the hot spot position on the surface. Accordingly, pulse phase-resolved…

High Energy Astrophysical Phenomena · Physics 2025-02-21 Matthew G. Baring , Hoa Dinh Thi , George A. Younes , Kun Hu

A model is proposed for the observed combination of power-law and thermal emission of keV X-rays from rotationally powered pulsars. For gamma-ray pulsars with accelerators very many stellar radii above the neutron star surface, 100 MeV…

Astrophysics · Physics 2009-10-30 F. Y. -H. Wang , M. Ruderman , J. P. Halpern , T. Zhu

r-mode astroseismology provides a unique way to study the internal composition of compact stars. Due to their precise timing, recycled millisecond radio pulsars present a particularly promising class of sources. Although their thermal…

High Energy Astrophysical Phenomena · Physics 2017-01-25 Kai Schwenzer , Tuğba Boztepe , Tolga Güver , Eda Vurgun

We estimate the contribution of Galactic pulsars, both ordinary and millisecond pulsars (MSPs), to the high-energy (>100 MeV) gamma-ray background. We pay particular attention to the high-latitude part of the background that could be…

High Energy Astrophysical Phenomena · Physics 2010-01-15 C. -A. Faucher-Giguere , Abraham Loeb

The model of pulsar radio emission is discussed in which a coherent radio emis-sion is excited in a vacuum gap above polar cap of neutron star. Pulsar X and gamma radiation are considered as the result of low-frequency radio emission…

Astrophysics · Physics 2009-06-23 V. M. Kontorovich , A. B. Flanchik

The detection, in 1998, of the first Accreting Millisecond Pulsar, started an exciting season of continuing discoveries in the fashinating field of compact binary systems harbouring a neutron star. Indeed, in these last three lustres,…

High Energy Astrophysical Phenomena · Physics 2013-10-07 Luciano Burderi , Tiziana Di Salvo

We have made polarimetric monitoring observations of millisecond pulsars visible from the northern hemisphere at 1410 MHz. Their emission properties are compared with those of normal pulsars. Although we demonstrated in paper I that…

We present a systematic study of the evolution of intermediate- and low-mass X-ray binaries consisting of an accreting neutron star of mass $1.0-1.8 M_{\odot}$ and a donor star of mass $1.0-6.0 M_{\odot}$. In our calculations we take into…

High Energy Astrophysical Phenomena · Physics 2015-06-05 Yong Shao , Xiang-Dong Li

r-mode oscillations have been shown to have a significant potential to constrain the composition of fast spinning neutron stars. Due to their high rotation rates, millisecond pulsars (MSPs) provide a unique platform to constrain the…

High Energy Astrophysical Phenomena · Physics 2020-10-21 Tuğba Boztepe , Ersin Göğüs , Tolga Güver , Kai Schwenzer

Millisecond pulsars (MSPs) and normal non-recycled pulsars are both detected in $\gamma$-rays. However, it appears that a much larger fraction of known energetic and nearby MSPs are detected in $\gamma$-rays, in comparison with normal…

High Energy Astrophysical Phenomena · Physics 2015-06-18 L. Guillemot , T. M. Tauris

Pulsars are known to be efficient accelerators that produce copious amounts of relativistic particles and inject them into the Galactic medium. The radiation emitted by such a pulsar wind can be seen from radio through gamma-rays as a…

High Energy Astrophysical Phenomena · Physics 2015-05-18 Oleg Kargaltsev , George Pavlov

The analysis of distributions of some parameters of radio pulsars emitting X-ray radiation was carried out. The majority of such pulsars has short spin periods with the average value $< P >$ = 133 msec. The distribution of period…

High Energy Astrophysical Phenomena · Physics 2019-04-10 Igor F. Malov , Maria A. Timirkeeva

Thermal X-ray emission from rotation-powered pulsars is believed to originate from localized "hotspots" on the stellar surface occurring where large-scale currents from the magnetosphere return to heat the atmosphere. Lightcurve modeling…

High Energy Astrophysical Phenomena · Physics 2019-11-13 Will Lockhart , Samuel E. Gralla , Feryal Özel , Dimitrios Psaltis

X-ray binaries are composed of a normal star in orbit around a neutron star or stellar-mass black hole. Radio and X-ray observations have led to the presumption that some X-ray binaries called microquasars behave as scaled down active…

Astrophysics · Physics 2012-08-27 H. E. S. S. Collaboration , : , F. Aharonian