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Cepheid Parallaxes and the Hubble Constant
Monthly Notices of the Royal Astronomical Society, no. 2 (2007): 723-737
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摘要
Revised Hipparcos parallaxes for classical Cepheids are analysed together with 10 Hubble Space Telescope (HST)-based parallaxes. In a reddening-free V, I relation we find that the coefficient of log P is the same within the uncertainties in our Galaxy as in the Large Magellanic Cloud (LMC), contrary to some previous suggestions. Cepheids ...更多
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