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  • Nature Publishing Group  (2)
  • 2010-2014
  • 1975-1979
  • 1965-1969  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Population Type of Cygnus X -2 (1968)
    [s.l.] : Nature Publishing Group
    Nature 218 (1968), S. 73-74 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There has been considerable controversy about the population type of Cyg X-2. Gursky, Gorenstein and Giacconi4 interpret the distribution in galactic latitude of the point X-ray sources as characteristic of population I objects. Kristian, Sandage and Westphal2 found a y-velocity of 250 km/s on the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/218073b0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Model of Cygnus X -2 (1969)
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 1350-1351 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There are several difficulties in first attempts to interpret these observations. For example, Kraft and Demoulin3 suggested that Cyg X-2 may be a triple system in order to account for their observation that the radial velocities passed through separate minima on two nights at about - 200 km s-1, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2231350a0
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    Paper (German National Licenses)
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