DO Leonis - a new eclipsing cataclysmic variable

Abbott, T.M.C.; Shafter, A.W.; Wood, J.H.; Tomaney, A.B. and Haswell, Carole (1990). DO Leonis - a new eclipsing cataclysmic variable. Publications of the Astronomical Society of the Pacific, 102 pp. 558–564.

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Abstract

Photometric and spectroscopic observations of DO Leo have been obtained using the McDonald Observatory high-speed CCD photometer and a conventional two-channel photoelectric photometer. The data reveal eclipses that are approximately 1.5 m deep. A total of nine eclipses were observed in February and March 1988 and in April 1989. These data were used to establish an orbital period of 0.2345147(2) d. A low-resolution optical spectrum reveals significant He II 4686 emission in addition to the characteristic Balmer and He I emission lines.

Item Type:	Journal Article
ISSN:	0004-6280
Keywords:	Astronomical photometry; cataclysmic variables; eclipsing binary stars; novae; orbit calculation; stellar orbits; electrophotometry; sky brightness; stellar spectra
Academic Unit/Department:	Science > Physical Sciences
Interdisciplinary Research Centre:	Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID:	11234
Depositing User:	Astrid Peterkin
Date Deposited:	01 Aug 2008 14:40
Last Modified:	04 Dec 2010 16:22
URI:	http://oro.open.ac.uk/id/eprint/11234
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