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  • 标题:Timing X-ray Pulsars with Application to Spacecraft Navigation
  • 本地全文:下载
  • 作者:M.G. Bernhardt ; T. Prinz ; W. Becker
  • 期刊名称:PoS - Proceedings of Science
  • 印刷版ISSN:1824-8039
  • 出版年度:2010
  • 卷号:2010
  • 出版社:SISSA, Scuola Internazionale Superiore di Studi Avanzati
  • 摘要:Usually, positions of spacecraft on interplanetary or deep space missions are determined by radar tracking from ground stations, a method by which uncertainty increases with distance from Earth. As an alternative, a spacecraft equipped with e.g. an X-ray telescope could determine its position autonomoulsy via onboard analysis of X-ray pulsar signals. In order to find out which pulsars are best suited for this approach and what accuracy can be achieved, we built up a database containing the temporal emission characteristics of the  60 X-ray pulsars for which a pulsed radiation has been detected by mid 2010.
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