ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] THE star 31 Cygni, magnitude 4-0, was announced1 in 1898 as having a composite spectrum, and was later found by W. W. Campbell2 to be a spectroscopic binary. In 1936 W. H. Christie3 obtained an approximate spectrographic orbit for the brighter component, and in 1944 Miss Vinter Hansen4 published a ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/169990a0
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