Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
17 (1878), S. 231-231
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] THE VARIABLE STAR R AQUARII.-Harding notified his discovery of variability in this star in 1811, in the first volume of the Zeitschrift fiir Astronomie. The earliest attempt to determine the period appears to be that of Westphal, in the Zeitschrift fiir Astronomie, vol. iv. p. 218; he used ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/017231a0
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