ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Following the first report2 that the emission from Cyg X-l had increased, we used data from the all-sky monitor to establish that a sudden transition had occurred on April 22, 1975, 9 d before the initial observation from ANS. Cyg X-l has been observed almost continuously since November 1, 1974, ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/256108a0
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