Measuring the spin up of the Accreting Millisecond Pulsar XTE J1751-305

Tiziana Di Salvo, Riggio, Burderi, Menna, Papitto

Risultato della ricerca: Article

25 Citazioni (Scopus)

Abstract

We perform a timing analysis on RXTE data of the accreting millisecond pulsar XTE J1751-305 observed during the 2002 April outburst. After having corrected for Doppler effects on the pulse phases due to the orbital motion of the source, we performed a timing analysis on the phase delays, which gives, for the first time for this source, an estimate of the average spin frequency derivative . We discuss the torque resulting from the spin-up of the neutron star deriving a dynamical estimate of the mass accretion rate and comparing it with the one obtained from X-ray flux. Constraints on the distance to the source are discussed, leading to a lower limit of ~6.7kpc.
Lingua originaleEnglish
pagine (da-a)411-416
Numero di pagine6
RivistaMonthly Notices of the Royal Astronomical Society
Volume383
Stato di pubblicazionePublished - 2008

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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