The terminal velocity of the stellar wind in O-type stars

Details The terminal velocity of the stellar wind in O-type stars The terminal velocity of the stellar wind in O-type stars

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...229..513b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 229, no. 2, March 1990, p. 513-526.

Astronomy and Astrophysics

Astrophysics

19

Main Sequence Stars, O Stars, Stellar Mass Ejection, Stellar Winds, Supergiant Stars, Terminal Velocity, Early Stars, Radiation Pressure, Stellar Luminosity, Stellar Temperature

Scientific paper

A sample of 69 O-type stars is presented, and the stellar parameters are derived. The masses are determined by comparison with evolutionary calculations. The radiatively driven wind theory is then used to derive a prediction for the terminal velocity in the stellar wind of these stars. Considerable attention is given to the error bar on this value. Also given are the observed values of the terminal velocity measured from the C IV and N V P Cyg profiles. The comparison shows that the theory overestimates the terminal velocity of main-sequence stars (luminosity class V).

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