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HST UV Observations of the Disk and Wind of V795 Her

Published online by Cambridge University Press:  12 April 2016

S. R. Rosen ,
R. K. Prinja ,
J. E. Drew ,
K. O. Mason  and
S. B. Howell
S. R. Rosen
Affiliation:
Leicester University, Leicester, LE1 7RH, UK
R. K. Prinja
Affiliation:
University College London, London, WC1E 6BT, UK
J. E. Drew
Affiliation:
Imperial College London, London, SW7 2BZ, UK
K. O. Mason
Affiliation:
MSSL, Holmbury St. Mary, RH5 6NT, UK
S. B. Howell
Affiliation:
Planetary Sciences Institute, Tuscon, AZ, USA

Abstract

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HST UV observations of V795 Her reveal a strong 2.6-h orbital variation in the prominent UV lines, in contrast to earlier (IUE) evidence of a 4.8-h period. Only the C IV line contains a strong blue-shifted, wind formed absorption component. Several lines exhibit a ‘narrow’ absorption feature near rest velocity which may originate in the disk, and a blue-shifted emission feature which accounts for most of the line profile variability.

Type
Non-Magnetic Cataclysmic Variables
Information
International Astronomical Union Colloquium , Volume 158: Cataclysmic Variables and Related Objects , 1996 , pp. 43 - 44
Copyright
Copyright © Kluwer 1996

References

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