CCD time-resolved photometry of four newly discovered CVs.

Details CCD time-resolved photometry of four newly discovered CVs. CCD time-resolved photometry of four newly discovered CVs.

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999pyuno....s.386l&link_type=abstract

Publications of the Yunnan Observatory, Suppl. 1999, p. 386 - 390

Physics

Cataclysmic Binaries: Ccd Photometry

Scientific paper

The authors present time-resolved optical light curves in R bands obtained from differential photometry on sequential CCD frame of 4 new discovered high galactic latitude CVs, which are discovered by spectroscopic observations of the optical identification of ROSAT X-ray sources. The analysis of the light curves shows repeatable periodicity in these objects. J020348.7+295921 exhibits 0.5 m variation with orbital period of 258 min. J062518.2+733433 reveals a 0.3 mag modulation with orbital period of 254 min. J230949.6+213523 shows probably both orbital period of 207 min and WD spin period of 25 min. J232953.9+062814 present short period of 32 min, indicating a magnetic system.

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