Abstract
view Abstract Citations (53) References (16) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS A Large, Periodic Variation in the Stellar Wind of theta 1 Orionis C Walborn, Nolan R. ; Nichols, Joy S. Abstract A period of 15.4 days, recently discovered by Stahl et al. from intensive monitoring of hydrogen alpha emission in Theta1 Ori C during 1992-1993, has been found to phase large variations in the C IV lambda lambda 1548, 1551 wind profile of this star previously reported from International Ultraviolet Explorer (IUE) high-resolution data obtained during 1978-1983. These stellar-wind variations are among the largest observed in O stars not known to be components of interacting binaries; the strict periodicity is unique among apparently single O stars and constitutes an important constraint on the unknown origin of the phenomenon. Publication: The Astrophysical Journal Pub Date: April 1994 DOI: 10.1086/187303 Bibcode: 1994ApJ...425L..29W Keywords: Absorption Spectra; Emission Spectra; O Stars; Stellar Spectra; Stellar Winds; Ultraviolet Astronomy; Ultraviolet Emission; Ultraviolet Spectra; Carbon; Hydrogen; Iue; Orion Nebula; Stellar Mass; Astronomy full text sources ADS | data products SIMBAD (2) MAST (1) INES (1)
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