The Spectrum Near Maximum Light of the Unusual R Coronae Borealis Variable DY Persei

Details The Spectrum Near Maximum Light of the Unusual R Coronae Borealis Variable DY Persei The Spectrum Near Maximum Light of the Unusual R Coronae Borealis Variable DY Persei

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997pasp..109..969k&link_type=abstract

Publications of the Astronomical Society of the Pacific, v.109, p.969-976

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16

Stars: Variables: Other, Stars: Individual: Dy Persei

Scientific paper

DY Per was confirmed photometrically as an R CrB variable by Alksnis in 1994. Spectra near maximum light show the high-speed ejection of matter (sodium at -174 km/sec in DY Per) characteristic of many of these variable stars. Moderate hydrogen deficiency may also be present. DY Per is remarkable in having a temperature many hundreds of degrees lower than most of the R CrB variables. It is unusual also in not showing clear spectroscopic evidence of high luminosit. (SECTION: Stars)

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