Maximum likelihood estimation of the absolute magnitudes of RR Lyrae variables

Details Maximum likelihood estimation of the absolute magnitudes of RR Lyrae variables Maximum likelihood estimation of the absolute magnitudes of RR Lyrae variables

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988sssmp..31..734z&link_type=abstract

Scientia Sinica, Series A - Mathematical, Physical, Astronomical and Technical Sciences (ISSN 0253-5831), vol. 31, June 1988, p.

Statistics

Computation

Globular Clusters, Lyra Constellation, Main Sequence Stars, Maximum Likelihood Estimates, Stellar Magnitude, Variable Stars, Computational Astrophysics, Mathematical Models, Metallic Stars, Stellar Motions

Scientific paper

A reasonable maximum likelihood statistic is used to determine the mean absolute magnitudes and kinematics for different star subgroups from the Shanghai Observatory compilation, which includes 168 local RR Lyrae variables. Our reduction indicates the mean absolute magnitudes on the intensity mean magnitude base of 0.62 + or - 0.12 mag for 142 RR(ab) stars and 0.69 + or - 0.16 mag for 77 metal-poor RR(ab) stars. A detailed discussion indicates that the statistical method used and the values obtained are likely to be reasonable.

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