Spin-down rate of 1E 2259+586 from RXTE observation

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dc.creatorBaykal, A.
dc.creatorSwank, J. H.
dc.creatorStark, M. J.
dc.creatorStrohmayer, T. E.
dc.date1998-05-04
dc.date.accessioned2026-07-07T02:26:45Z
dc.date.available2026-07-07T02:26:45Z
dc.descriptionWe present new X-ray observations of the X-ray pulsar 1E 2259+586, obtained during March 1997, with the Rossi X-Ray Timing Explorer (RXTE). We have measured the pulse frequency derivative $\dot ν= (-1.08 \pm 0.04) \times 10^{-14}$ Hz s$^{-1}$ from pulse arrival times obtained in a sequence of 5 observations spread over one month. This $\dotν$ is consistent with the long term spin-down trend. We also found that the observed X-ray luminosity is consistent with that measured at quiescent X-ray flux levels by previous missions. Our observations imply that 1E 2259+586 was spinning down steadily without exhibiting any stochastic torque noise fluctuations during the month covered by our observations.
dc.description4 pages, Latex (l-aa), Accepted for publication in Astronomy and Astrophysics
dc.identifierhttps://arxiv.org/abs/astro-ph/9805020
dc.identifierhttp://arxiv.org/abs/astro-ph/9805020
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/12402
dc.subjectAstrophysics
dc.titleSpin-down rate of 1E 2259+586 from RXTE observation
dc.typetext

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