Search results for " pulsars: individual: XTE J1814-338"

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Timing of the Accreting Millisecond Pulsar XTE J1814-338

2006

We present a precise timing analysis of the accreting millisecond pulsar XTE J1814-338 during its 2003 outburst, observed by RXTE. A full orbital solution is given for the first time; Doppler effects induced by the motion of the source in the binary system were corrected, leading to a refined estimate of the orbital period, P_orb=15388.7229(2)s, and of the projected semimajor axis, a sini/c= 390.633(9) lt-ms. We could then investigate the spin behaviour of the accreting compact object during the outburst. We report here a refined value of the spin frequency (nu=314.35610879(1) Hz) and the first estimate of the spin frequency derivative of this source while accreting (nu^dot=(-6.7 +/- 0.7) 1…

Physicsstars: magnetic fields stars: neutron pulsars: general pulsars: individual: XTE J1814-338 X-rays: binariesAccretion (meteorology)Astrophysics::High Energy Astrophysical PhenomenaAstrophysics (astro-ph)FOS: Physical sciencesMagnetosphereAstronomy and AstrophysicsContext (language use)AstrophysicsCompact starOrbital periodAstrophysicssymbols.namesakeSpace and Planetary ScienceMillisecond pulsarsymbolsAstrophysics::Solar and Stellar AstrophysicsAstrophysics::Earth and Planetary AstrophysicsDoppler effectSpin-½
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