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A Search for Pulsars in Ultracompact X-ray Binary Systems
2013 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

We present a search for periodic pulsations in the X-ray emission of seven Ultracompact X-ray Binary (UCXB) systems, in which the coherent time domain resampling method was used to recover signals distorted by the target's orbital motion. While other UCXBs have been observed as X-ray pulsars, our targets still lack such a detection. We demonstrated the superior sensitivity of our search method over standard approaches, enabling us to find very faint signals at the cost of a large computing effort. However no pulsations were detected. Therefore we deduced stringent upper limits for the pulsed fraction in each observation, which are on the order of 0.5%.

Place, publisher, year, edition, pages
2013. , 30 p.
Keyword [en]
Technology, X-ray timing, ultracompact X-ray binary, millisecond pulsar, accreting millisecond pulsar, binary stars, pulsar, pulsar search, neutron star
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-52417Local ID: 98abeac8-1780-4253-a2c8-70059d73827eOAI: oai:DiVA.org:ltu-52417DiVA: diva2:1025787
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Subject / course
Student thesis, at least 30 credits
Educational program
Space Engineering, master's level
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Note
Validerat; 20130613 (global_studentproject_submitter)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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fulltext(1585 kB)30 downloads
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Hacker, Bastian

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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