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Spectroscopic CCD Study of the Two-Day WN5+O8V Binary CX Cep

Published online by Cambridge University Press:  03 August 2017

David Lewis ,
Anthony F. J. Moffat  and
Carmelle Robert
David Lewis
Affiliation:
Département de physique, Université de Montréal, Montréal and Observatoire du mont Mégantic, Canada
Anthony F. J. Moffat
Affiliation:
Département de physique, Université de Montréal, Montréal and Observatoire du mont Mégantic, Canada
Carmelle Robert
Affiliation:
Département de physique, Université de Montréal, Montréal and Observatoire du mont Mégantic, Canada

Extract

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After CQ Cep, the system CX Cep has the shortest orbital period known among Galactic WR+O binaries. However, no definitive spectroscopic study is yet available for CX Cep, probably because of its relatively faint magnitude (B ≈ 13). We have therefore obtained and analyzed some 60 CCD spectra (3700-4900 Å, S/N ⋍ 100, 5 Å/2 pixels) in August and October 1987.

Type
Session IV. Binaries
Information
Symposium - International Astronomical Union , Volume 143: Wolf–Rayet Stars and Interrelations with other Massive Stars in Galaxies , 1991 , pp. 256
Copyright
Copyright © Kluwer 1991