Determination of the LMC distance modulus from the Classical Cepheid Period-Luminosity relation
Luri, Xavier · Torra, J. · Figueras, F. · Gomez, A. E. · Goupil, M. J. · Beaulieu, J. P.
Original · EN
The distance modulus of the Large Magellanic Cloud (LMC) is the first step on the determination of the cosmic distance scale. In this paper it is obtained from a new calibration of the classical Cepheid Period-Luminosity (PL) relation. Our new calibration is obtained by applying the LM method -- a parametric method designed to obtain luminosity calibrations from astrometric information -- to the Hipparcos data for Classical Cepheids. The resulting distance modulus is 18.35ᵐ± 0.13.
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