Other
Scientific paper
Sep 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.258..225d&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 258, no. 1, Sept. 1, 1992, p. 225-240. Research support
Other
26
Eclipsing Binary Stars, Emission Spectra, Stellar Spectrophotometry, Variable Stars, Cataclysmic Variables, Light Curve, Stellar Spectra
Scientific paper
We present photometric and spectroscopic observations of the novalike variable BH Lyn. The continuum and line light curves exhibit deep eclipses which recur with a period of 3.74 hr. The spectra have single-peaked Balmer and He I emission lines which exhibit a double-peaked structure near the inferior conjunction of the emission-line source. Radial velocity measurements show large phase shifts in all the emission lines. We construct light-center and Doppler maps of the system which suggest that the line emission is largely nondisk in origin. We compare and contrast BH Lyn with a number of other eclipsing novalike variables. The objects show basically the same behavior, and we conclude that the emission lines must be produced by a similar (unknown) mechanism.
Dhillon Vik S.
Jones H. P. D.
Marsh Thomas R.
Smith Christopher R.
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