Optical Interstellar Absorption Features
Open Access
- 1 April 1968
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 139 (4) , 417-424
- https://doi.org/10.1093/mnras/139.4.417
Abstract
Radial velocities are presented for interstellar clouds detected in the spectra of 70 stars of early type in the southern Milky Way. Also included are equivalent widths for the H and K lines of Ca II , the band at λ 4430, the D lines of Na I , and for a few reddened stars, also the diffuse bands in the red region. The observations were secured with a coude spectrograph having dispersions of 150 and 100 microns per angstrom in the violet and yellow respectively.Keywords
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