Results 1 to 10 of about 18,264 (187)

On the soft emission mechanism in X-ray pulsars

open access: yesJournal of Theoretical and Applied Physics, 2019
We propose a mechanism responsible for the soft emission in X-ray pulsars. We discuss the origin of the soft emission for isolated X-ray pulsars as well as for soft gamma-ray repeaters and anomalous X-ray pulsars.
Paolo Cea
doaj   +2 more sources

Gravitational waves from pulsars in the context of magnetic ellipticity

open access: yesEuropean Physical Journal C: Particles and Fields, 2017
In one of our previous articles we have considered the role of a time dependent magnetic ellipticity on the pulsars’ braking indices and on the putative gravitational waves these objects can emit.
José C. N. de Araujo   +2 more
doaj   +1 more source

Mechanism of the X-ray and Soft Gamma-ray Emissions from the High Magnetic Field Pulsar: PSR B1509-58 [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2013
We use the outer gap model to explain the spectrum and the energy dependent light curves of the X-ray and soft γ-ray radiations of the spin-down powered pulsar PSR B1509-58.
Yu Wang, Jumpei Takata, Kwong Sang Cheng
doaj   +1 more source

Multi-Messenger Astrophysics of a Millisecond Pulsar Orbiting around a Massive Black Hole

open access: yesUniverse, 2022
Extreme-mass-ratio and intermediate-mass-ratio binaries with a millisecond pulsar are gravitational-wave sources that emit also electromagnetic radiation.
Kinwah Wu
doaj   +1 more source

The environment of TeV halo progenitors

open access: yesAstronomy & Astrophysics
Context. TeV haloes are extended sources of very-high-energy gamma rays found around some middle-aged pulsars. The emission spanning several tens of parsecs suggests an efficient confinement of the ultra-relativistic lepton pairs produced by pulsars in ...
Bourguinat Lioni-Moana   +3 more
doaj   +1 more source

Observations of the gamma-ray pulsar J1836+5925 at 111 MHz

open access: yesOpen Astronomy, 2021
We describe the 10-day radio observations of the gamma-ray pulsar J1836+5925. Observations were carried out in the Pushchino Radio Astronomical Observatory at the frequency of 111 MHz using the Large Phased Array of the Lebedev Physical Institute.
Timirkeeva Maria   +3 more
doaj   +1 more source

The strongest magnetic fields in the universe: How strong can they become?

open access: yesFrontiers in Physics, 2014
Magnetic fields in the universe are in general weak, of the order of µGauss only. However, in compact objects they assume extraordinarily large values. These are produced by gravitational collapse of massive magnetised objects.
Rudolf A. Treumann   +2 more
doaj   +1 more source

Born to be recycled: A comprehensive population synthesis of the Galactic millisecond pulsars

open access: yesAstronomy & Astrophysics
Context. Millisecond pulsars (MSPs) are the oldest and fastest pulsars known to date. The first MSP to be discovered was PSR B1937+21 in 1982. To explain how these pulsars could be formed, a new hypothesis was formulated: the recycling of pulsars, i.e ...
Sautron Mattéo   +4 more
doaj   +1 more source

Rotating Quark Stars in General Relativity

open access: yesUniverse, 2018
We have built quasi-equilibrium models for uniformly rotating quark stars in general relativity. The conformal flatness approximation is employed and the Compact Object CALculator (cocal) code is extended to treat rotating stars with surface density ...
Enping Zhou   +4 more
doaj   +1 more source

Gravity Tests with Radio Pulsars

open access: yesUniverse, 2020
The discovery of the first binary pulsar in 1974 has opened up a completely new field of experimental gravity. In numerous important ways, pulsars have taken precision gravity tests quantitatively and qualitatively beyond the weak-field slow-motion ...
Norbert Wex, Michael Kramer
doaj   +1 more source

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