ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The observations were made with a single-channel, refrigerated, pulse-counting, 1P21 photometer on the number 1 0.4-m telescope of the Cerro Tololo Inter-American Observatory. As in the December 1974 observations, CTIO filter set number 3 was used throughout; however, for the new data differential ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/262116a0
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