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Hourly variations in O VI P Cygni profiles of hot starsSignificant changes in the ultraviolet absorption profiles are reported in the spectra of Delta Ori A, Iota Ori, and Zeta Pup. The present data show changes in count rates in excess of 30 per cent at velocities more negative than -900 km/s, if these data are interpreted as being dominated by O VI absorption in stellar winds. The time scales range from 1 to 6 hours.
Document ID
19770047187
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/182410
Authors
York, D. G. (Princeton University New Observatory, Princeton, N.J., United States)
Vidal-Madjar, A. (Princeton Univ. Observatory NJ, United States)
Laurent, C. (Princeton Univ. Observatory NJ, United States)
Bonnet, R. (CNRS Verrieres-le-Buisson, Essonne, France)
Date Acquired
August 8, 2013
Publication Date
April 15, 1977
Publication Information
Publication: Astrophysical Journal
Subject Category
Astrophysics
Accession Number
77A30039
Funding Number(s)
CONTRACT_GRANT: NAS5-1810
Distribution Limits
Public
Copyright
Other

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