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Astrophysics > Solar and Stellar Astrophysics

arXiv:1312.6063 (astro-ph)
[Submitted on 20 Dec 2013 (v1), last revised 27 Dec 2013 (this version, v2)]

Title:Light curves of symbiotic stars in massive photomeric surveys II: S and D'-type systems

Authors:M. Gromadzki, J. Mikolajewska, I. Soszynski
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Abstract:We present results of period analysis of ASAS, MACHO and OGLE light curves of 79 symbiotic stars classified as S and D'-type. The light curves of 58 objects show variations with the orbital period. In case of 34 objects, orbital periods are estimated for the first time, what increases the number of symbiotic stars with known orbital periods by about 64 %. The light curves of 46 objects show, in addition to the long-term or/and orbital variations, short-term variations with time scales of 50-200 days most likely due to stellar pulsations of the cool giant component. We also report eclipse-like minima and outbursts present in many of the light curves.
Comments: 26 pages, 14 figures, to appear in Acta Astronomica
Subjects: Solar and Stellar Astrophysics (astro-ph.SR)
Cite as: arXiv:1312.6063 [astro-ph.SR]
  (or arXiv:1312.6063v2 [astro-ph.SR] for this version)
  https://doi.org/10.48550/arXiv.1312.6063

Submission history

From: Mariusz Gromadzki [view email]
[v1] Fri, 20 Dec 2013 18:17:47 UTC (549 KB)
[v2] Fri, 27 Dec 2013 01:10:08 UTC (549 KB)
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