ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] Two exposures of 1,700 s and 700 s of NGC4261 were taken with the Planetary Camera (PC) on 15 January 1992 as part of a survey of a complete sample of elliptical galaxies in the Virgo cluster. The F550W filter used in both cases has an equivalent width of 1,200 A centred at 5,500 A. ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/364213a0
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