ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[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 ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/324233a0
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