✦ LIBER ✦

New variable star 107.1905 Cygni

✍ Scribed by A. Stanley Williams

Publisher: John Wiley and Sons
Year: 1905
Tongue: English
Weight: 100 KB
Volume: 169
Category: Article
ISSN: 0004-6337
DOI: 10.1002/asna.19051692105

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Most of the observations of this star are photographic. In order to reduce these uniformly, the magnitudes of six stars of intermediate brightness were carefully determined from seven plates by sequences 6f steps, and on the assumption that the photographic magnitude of BD. +z9?4z37 (9m3) is 9.2 ; a