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DO Leonis - a new eclipsing cataclysmic variable

By T.M.C. Abbott, A.W. Shafter, J.H. Wood, A.B. Tomaney and Carole Haswell

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

Year: 1990
OAI identifier: oai:oro.open.ac.uk:11234
Provided by: Open Research Online

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