Document Type

Article

Publication Date

4-1972

Department

Physics

Abstract

Interferometric, photoelectric scans of the interstellar calcium K-lines in the spectra of 65 stars are presented. The scans were obtained with a PEPSIOS spectrometer having a passband with a full half-intensity width of 1.0 kms(-1) or 0.013A. The fivefold improvement in resolution over that used by Adams reveals numerous line components which correspond very well to those of the interstellar sodium lines, apart from frequent differences in relative intensities.

Required Publisher's Statement

Original version available from the publisher at: http://iopscience.iop.org/0004-637X

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