منابع مشابه
Polarization Properties of Nine Southern Radio Pulsars
We report on radio polarimetry observations for nine southern pulsars. Six of the nine in the sample are young, with characteristic ages under 100 kyr and high spin-down luminosities. All six show a signiÐcant degree of linear polarization. We also conÐrm a previously noticed trend in which the degree of linear polarization increases with spin-down luminosity. Where possible, we have used the r...
متن کاملSpectral properties of anomalous X-ray pulsars
In this paper, the spectra of the persistent emission from anomalous X-ray pulsars (AXPs) and their variation with spin-down rate Ω̇ is considered. Firstly, based on an accretion-powered model, the influences of both magnetic field and mass accretion rate on the spectra properties of AXPs are addressed. Subsequently, the relation between the spectral property of AXPs and mass accretion rate Ṁ is...
متن کاملKinematics of Radio Pulsars
A very good fraction of stars in the sky are believed to be in binary (or multiple) systems. Therefore, we expect a good fraction of pulsars to have originated in binary systems. However, observations of pulsars have shown that most of the pulsars are not in binary system now. This would imply that these pulsars must have become solitary after the disruption of their progenitor binary system du...
متن کاملThe Broad Band Spectral Properties of Binary X–ray Pulsars
The X–ray telescopes on board BeppoSAX are an optimal set of instruments to observe bright galactic binary pulsars. These sources emit very hard and quite complex X–ray spectra that can be accurately measured with BeppoSAX between 0.1 and 200 keV. A prototype of this complexity, the source Her X–1, shows at least seven different components in its spectrum. A broad band measure is therefore of p...
متن کاملBroad band Spectral Properties of Accreting X–ray Binary Pulsars
Broad-band spectra of accreting X–ray binary pulsars can be fit by a phenomenological model composed by a power law with a high energy rollover above 10 keV, plus a blackbody component with a temperature of few hundred eV. While, at least qualitatively, the hard tail can be explained in terms of (inverse) Compton scattering, the origin of the soft component cannot find a unique explanation. Rec...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 2017
ISSN: 0035-8711,1365-2966
DOI: 10.1093/mnras/stx2476