The Scorpio-Centaurus Association: IV. Interstellar Absorption Lines in the Southern Milky Way
Open Access
- 1 March 1962
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 124 (3) , 195-200
- https://doi.org/10.1093/mnras/124.3.195
Abstract
From measures of the sharp K line in the spectra of 60 O and early B-type stars, radial velocities are derived for interstellar calcium clouds, mainly within a few hundred parsecs of the Sun. In directions where these clouds apparently coincide with neutral hydrogen at the same distance, there is close agreement between optical and radio velocities.Keywords
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