Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
277 (1979), S. 116-116
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Arnett has pointed out that the overabundance of helium with respect to hydrogen in the Crab filaments2 is compatible with a presupernova helium core of mass 4 M0 (rf. 3) which corresponds to a main sequence mass of 12 M (rf. 4). Chevalier5, on examining old Chinese records, present day nebula and ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/277116a0
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