ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] X-ray1, optical2, infrared3'4 and radio studies2 indicate that Cir X-l is an eccentric double-star system, with one component of the binary being very compact, possibly a neutron star or a black hole. The 16.5-day periodicity, manifest across the observed frequency spectrum5, implies an orbital ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/324233a0
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