Photometric Periodicities of Be/X-ray Pulsars in the Small Magellanic Cloud

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dc.creatorSchmidtke, P. C.
dc.creatorCowley, A. P.
dc.date2005-06-29
dc.date.accessioned2026-07-07T11:24:31Z
dc.date.available2026-07-07T11:24:31Z
dc.descriptionAnalysis of the longterm photometric variability of 7 Be/X-ray-pulsar systems in the Small Magellanic Cloud has been carried out. We find a variety of types of variability are present, including: longterm irregular changes, periodic orbital outbursts due to interaction between the stars (weeks to months), low-amplitude quasi-periodic variations of the equatorial disk (days), and nonradial pulsations of the Be primary star (hours). This is the first time nonradial pulsations have been identified in Be/X-ray binaries, although they were previously known in some single Be stars.
dc.description27 pages, 15 figures
dc.identifierhttps://arxiv.org/abs/astro-ph/0506728
dc.identifierhttp://arxiv.org/abs/astro-ph/0506728
dc.identifierAstron.J.130:2220-2229,2005; Astron.J.132:919-925,2006
dc.identifierdoi:10.1086/491705 10.1086/505752
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/195220
dc.subjectAstrophysics
dc.titlePhotometric Periodicities of Be/X-ray Pulsars in the Small Magellanic Cloud
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