期刊
ASTRONOMICAL JOURNAL
卷 147, 期 3, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0004-6256/147/3/68
关键词
binaries: eclipsing; binaries: spectroscopic; stars: individual (SDSS J075653.11+085831.8)
资金
- CONACyT
- PAPIIT [N-109209/IN-103912]
- CONACyT [34521-E, 151858]
We conducted a spectroscopic and photometric study of SDSS J075653.11+085831. X-ray observations were also attempted. We determined the orbital period of this binary system to be 3.29 hr. It is a deep eclipsing system, whose spectra show mostly single-peaked, Balmer emission lines and a rather intense He II line. There is also the presence of faint (often double-peaked) He I emission lines as well as several absorption lines, Mg I being the most prominent. All of these features point toward the affiliation of this object with the growing number of SW Sex-type objects. We developed a phenomenological model of an SW Sex system to reproduce the observed photometric and spectral features.
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