The Photometry of Cataclysmic Variable V1159 Ori and BZ UMa

Details The Photometry of Cataclysmic Variable V1159 Ori and BZ UMa The Photometry of Cataclysmic Variable V1159 Ori and BZ UMa

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010acasn..51...42j&link_type=abstract

Acta Astronomica Sinica, vol. 51, no. 1, p. 42-53

Astronomy and Astrophysics

Astronomy

Stars: Variables, Techniques: Photometric

Scientific paper

Photometry of the cataclysmic variables V1159 Ori and BZ UMa are conducted with the 1m RCC optical telescope in Yunnan Astronomical Observatory from Feb. 24th to 25th, 2008. The light curves of V1159 Ori denote superhumps during the fading period of a normal outburst. Previous observations revealed superhumps in ER UMa during normal outbursts, convincing that it is universal in ER UMa class. This photometry helps to assure superhumps' presence in ordinary outbursts of ER UMa class. As to the controversial BZ UMa, whose orbital period is below the period gap of SU Uma, no apparent observable superhumps are detected in either previous observations or that of this time. Therefore, it is more likely to side with U Gem class or WZ Sge class, with the latter of more likelihood.

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