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Determination of the LMC distance modulus from the Classical Cepheid Period-Luminosity relation
Xavier Luri, J. Torra, F. Figueras +3
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…
Distances and absolute magnitudes from trigonometric parallaxes
F. Arenou, X. Luri
We first review the current knowledge of Hipparcos systematic and random errors, in particular small-scale correlations. Then, assuming Gaussian parallax errors and using examples…
The LMC distance modulus from Hipparcos RR Lyrae and classical Cepheid data
X. Luri, A. E. Gomez, J. Torra +2
The LM method, designed to exploit the Hipparcos data to obtain luminosity calibrations, is applied to derive luminosity calibrations for RR Lyrae and classical Cepheids. From thes…
Absolute magnitudes and kinematics of CP stars from Hipparcos data
A. E. Gomez, X. Luri, V. Sabas +5
The position in the HR diagram and the kinematic characteristics of different kinds of CP stars of the upper main sequence are obtained using the LM method (Luri et al., 1996). Mos…
CP stars: Photometric calibrations of luminosity using Hipparcos data
F. Figueras, X. Luri, A. E. Gomez +7
The application of the Stromgren photometric luminosity calibrations to different types of CP stars is reexamined in the light of the new Hipparcos data. A first attempt is made to…