Mass loss and C IV ionization in the stellar wind of OB stars

Details Mass loss and C IV ionization in the stellar wind of OB stars Mass loss and C IV ionization in the stellar wind of OB stars

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...207...70b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 207, no. 1, Dec. 1988, p. 70-88.

Astronomy and Astrophysics

Astrophysics

11

B Stars, Carbon, O Stars, Stellar Activity, Stellar Mass Ejection, Stellar Winds, Infrared Photometry, Ionization, Ultraviolet Spectra

Scientific paper

A sample of 19 stars is presented for which both IR and UV observations are available. From the IR, the mass loss rate M can be determined, but it depends on the velocity law in the stellar wind, which is parameterized by the parameter beta(IR). This dependence on beta turns out to be similar for all stars. From the UV, one finds the mass loss rate multiplied by the mean ionization fraction of the ion considered. For stars with strong C IV lines, the terminal velocity can also be measured.

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