𝔖 Bobbio Scriptorium
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Photometric and colorimetric characteristics of eruptive stars. IV

✍ Scribed by R. E. Gershberg


Publisher
Springer
Year
1969
Tongue
English
Weight
278 KB
Volume
3
Category
Article
ISSN
0571-7256

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## Abstract Spectroscopic and photometric observations of the variable ET And were carried out in the years 1981/82. In addition to the known periodical variation of the radial velocities of 48.308 days produced by a companion and the photometric period of 1.61883 days probaly resulting from the ro