Optical Photometry of the Double-lined Cataclysmic Variable Phoenix 1

Details Optical Photometry of the Double-lined Cataclysmic Variable Phoenix 1 Optical Photometry of the Double-lined Cataclysmic Variable Phoenix 1

Apr 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001pasp..113..482h&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 113, Issue 782, pp. 482-489.

Astronomy and Astrophysics

Astronomy

3

Accretion, Accretion Disks, Stars: Novae, Cataclysmic Variables, Stars: Individual: Constellation Name: Phoenix 1

Scientific paper

We have obtained 7 nights of time-resolved VI photometry of the double-lined cataclysmic variable Phoenix 1. We detect two candidate orbital periods, 0.1344 day and 0.2683 day. The former, which would correspond to a single modulation caused by viewing the irradiated face of the secondary star, is the less favored choice based on the folded light curves. The latter, which would correspond to a double modulation with unequal minima depths caused by ellipsoidal variation of the secondary star, is inconsistent with the observed late spectral type (M2-5) of the secondary star. However, we discuss some recent results from the literature that may make it possible to reconcile the longer orbital period and later spectral type. Some ambiguity remains as to which of these two periods is the true orbital period.

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