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A P Cygni Profile for the He 10830 A line of CI Cyg in Eclipse

Published online by Cambridge University Press:  12 April 2016

S. Bensammar
Affiliation:
Observatoire de Paris, section de Meudon UA 337 du CNRS, 92195 Meudon Principal Cedex, France
M. Friedjung
Affiliation:
Institut d’Astrophysique de Paris, CNRS 98 bis, bvd Arago 75014 Paris, France
N. Letourneur
Affiliation:
Observatoire de Paris, section de Meudon UA 337 du CNRS, 92195 Meudon Principal Cedex, France
J.P. Maillard
Affiliation:
Institut d’Astrophysique de Paris, CNRS 98 bis, bvd Arago 75014 Paris, France

Abstract

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Infrared spectroscopic observations of CI Cyg in eclipse show a P Cygni profile for He I 10830 Å, with a wind velocity of the order of 150 km/s, not seen in hydrogen Brackett and Paschen emission lines, which are single peaked.

Type
Session 3. Physics of Individual Objects
Copyright
Copyright © Kluwer 1988

References

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