Zhou Aiying; Wei Jianyan; Xu Dawei; Hu Jingyao; Jiang Xiaojun
Source Publicationchinesejournalofastronomyandastrophysics
Abstract1RXS J232953.9+062814 was identified as a cataclysmic variable by Wei et al. (1999). Four low-resolution spectra of 1RXS J232953.9+062814 were obtained with the 2.16-m telescope of the National Astronomical Observatories, of which two were at outburst, and two were at quiescence. The system is about 16.8 B and 16.5 V at quiescence, and 12.6 B and 12.6 V at outburst. The quiescent spectra were dominated by double-peaked Balmer emissions, which indicates a hydrogen-rich system with a high-inclination accretion disc. MgH and TiO absorption bands appeared in the quiescent spectrum which implies a companion with a spectral type of early M dwarf. If we take it as a MO dwarf, then the system is located at a distance of 350 pc with a proper motion velocity 150 km s(-1). The superhump period of 0.046311 days was confirmed by our V photometry. The short period and the hydrogen-rich nature reveal that this system is another SU Ursae Majoris-type dwarf nova below the period minimum. after V485 Centauri. 1RXS J232953.9+062814 is one of the most important systems for studying the evolutionary scenario of cataclysmic variables since it is much brighter than V485 Cen.
Document Type期刊论文
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhou Aiying,Wei Jianyan,Xu Dawei,et al. 1rxsj2329539062814anewsuumadwarfnovabelowtheperiodminimum[J]. chinesejournalofastronomyandastrophysics,2001,1(6):483.
APA Zhou Aiying,Wei Jianyan,Xu Dawei,Hu Jingyao,&Jiang Xiaojun.(2001).1rxsj2329539062814anewsuumadwarfnovabelowtheperiodminimum.chinesejournalofastronomyandastrophysics,1(6),483.
MLA Zhou Aiying,et al."1rxsj2329539062814anewsuumadwarfnovabelowtheperiodminimum".chinesejournalofastronomyandastrophysics 1.6(2001):483.
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