【第二季】090｜【起源之问】发现误差

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参考文献1. Feast， M. W.， & Catchpole， R. M. (1997). “The Cepheid Period-Luminosity Zero-point from HIPPARCOS Trigonometrical Parallaxes.” Monthly Notices of the Royal Astronomical Society， 286， L1-L5.2. Madore， B. F.， & Freedman， W. L. (1998). “Concerning the Slope of the Cepheid Period-Luminosity Relation.” The Astrophysical Journal， 492， 110-115.3. Udalski， A.， et al. (1999). “The Optical Gravitational Lensing Experiment. Cepheids in the Magellanic Clouds.” Acta Astronomica， 49， 201-221.4. Parodi， B. R.， et al. (2000). “The Effect of Metallicity on Cepheid-based Distances.” The Astrophysical…