BD +59°224: A New ζ Aurigae System

Details BD +59°224: A New ζ Aurigae System BD +59°224: A New ζ Aurigae System

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004pasp..116.1123g&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 116, Issue 826, pp. 1123-1125.

Astronomy and Astrophysics

Astronomy

Stars: Fundamental Parameters, Stars: Binaries: General, Stars: Individual (Bd +59°224), Stars: Individual (Bd +59°225)

Scientific paper

The star BD +59°224 has an interesting history of spectroscopic classification, having been described in the literature variously as a composite G- and F-type star with helium, a K5 star, an O-type star, and an emission-line object similar to a planetary nebula. We present new spectra of this object that clearly show the star to be a binary with a K4.5 Ib primary and a B3 V secondary. We also calculate a reddening and distance [E(B-V)~0.75, d~2.1 kpc] and point out similarities between this object and the class of ζ Aurigae stars.

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