ROSATObservations of the Vela Pulsar | Zendy

F. D. Seward | Zendy; M. A. Alpar | Zendy; C. S. Flanagan | Zendy; Ü. Kızıloǧlu | Zendy; C. B. Markwardt | Zendy; P. M. McCulloch | Zendy; H. Öğelman | Zendy

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ROSATObservations of the Vela Pulsar

Author(s) -

F. D. Seward,

M. A. Alpar,

C. S. Flanagan,

Ü. Kızıloǧlu,

C. B. Markwardt,

P. M. McCulloch,

H. Öğelman

Publication year - 2000

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/308961

Subject(s) - vela , rosat , pulsar , astrophysics , physics , glitch , luminosity , neutron star , astronomy , x ray pulsar , binary pulsar , pulse (music) , millisecond pulsar , optics , galaxy , detector

The ROSAT HRI was used to monitor X-ray emission from the Vela Pulsar. Sixobservations span 2-1/2 years and 3 glitches. The summed data yield adetermination of the pulse shape, and X-ray emission from the pulsar is foundto be 12 % pulsed with one broad and two narrow peaks. One observation occurred15 days after a large glitch. No change in pulse structure was observed and anychange in X-ray luminosity, if present, was less than 3 %. Implications forneutron star structure are discussed.Comment: To be publisned in the Astrophysical Journa

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