ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] NGG4.254: (Messier 99) is a spiral galaxy of type Sc with co-ordinates (1950) oc= 12h 16-3?, 8= 14? 42', angular diameter ~ 5' and a recessional velocity of about 2,400 km s"1 after correction for solar motion with respect to the local group3. The supernova was first noted on a plate taken on June ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/218856b0
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