Photographic measures of double stars on plates taken, mainly by W. H. van den Bos, with the 67-cm visual refractor of the Union Observatory at Johannesburg, collected by -

Author(s):: Hertzsprung, E.

Published: 1942
Publication type: Article / Letter to editor

Date issued: 1942
Language: English
Publisher: North Holland Publishing Company
Is part of: Bulletin of the Astronomical Institutes of the Netherlands (1942), Vol. 9, p. 311
ISSN source: 0365-8910
hdl: 1887/5850