Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
296 (1982), S. 706-707
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] OBSERVATIONS of the variability of the light output of quasars and Seyfert galaxies have been of great importance as probes of the physical conditions in these * active galactic nuclei*. New evidence has been reported1 that the Seyfert galaxy NGC 6814 varies on the amazingly short time ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/296706a0
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