A photometric study of the cataclysmic variable, LX Serpentis

Details A photometric study of the cataclysmic variable, LX Serpentis A photometric study of the cataclysmic variable, LX Serpentis

May 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pasp...96..372e&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 96, May 1984, p. 372-375.

Astronomy and Astrophysics

Astronomy

7

Dwarf Novae, Light Curve, Orbital Elements, Starspots, Stellar Motions, Stellar Oscillations, Accretion Disks, Astronomical Photometry, Ephemerides, Power Spectra

Scientific paper

A high-speed photometric study of the cataclysmic variable star LX Serpentis has been performed, using a 1.2 m synoptic telescope in white light. By means of a second-order least squares fitting of the eclipse times, an orbital period of about 0.158 hr was derived. The shapes of the eclipse light curves indicate that the hot-spot brightness morphology can be irregular, and it can change in a time scale of days. An analysis of the power-spectrum reveals a low signal-to-noise ratio peak at about 0.007 Hz (about 140 sec), but in general no evidence was found for periodic or quasi-periodic oscillations in the power spectrum.

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