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  • 1
    Electronic Resource
    Electronic Resource
    On the period-luminosity-colour relation for galactic Cepheids (1984)
    Springer
    Astrophysics and space science 107 (1984), S. 167-176 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A period-luminosity-colour relation is derived from the data of 29 galactic Cepheids with known distances collected from the literature, and is then compared with the simpler period-luminosity relation. The insignificant reduction in the dispersion seems to argue against the introduction of the colour term. It is, however, demonstrated that this evidence may be fictitious and due to the use of Cepheids, whose membership in a star aggregate is still doubtful. The exclusion of these stars leads to a PLC relation which shows a significantly smaller dispersion than that given by the corresponding PL relation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00649622
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