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THE MASSIVE HOT BINARY 29 CANIS MAJORIS
J. B. HUTCHINGS
Publications of the Astronomical Society of the Pacific
Vol. 89, No. 531 (October 1977), pp. 668-674
Published by: Astronomical Society of the Pacific
Stable URL: http://www.jstor.org/stable/40677088
Page Count: 7
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The results are presented from analysis of 16 high-and medium-dispersion spectrograms of the system. Mass loss from the primary has a strong dependence on phase in an orbit of low eccentricity. No change in period is detected but the primary star amplitude shows an ~ 10% increase over the value derived from observations in 1957. The secondary spectrum is described and the fundamental parameters of the stars and their evolutionary status are discussed.
Publications of the Astronomical Society of the Pacific © 1977 The University of Chicago Press