Horizontal branch morphology in the field from the light-to-mass ratio of RR Lyrae variables

Details Horizontal branch morphology in the field from the light-to-mass ratio of RR Lyrae variables Horizontal branch morphology in the field from the light-to-mass ratio of RR Lyrae variables

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....106..301c&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 106, no. 1, p. 301-310.

Astronomy and Astrophysics

Astronomy

1

Horizontal Branch Stars, Light Curve, Lyra Constellation, Mass To Light Ratios, Morphology, Variable Stars, Galactic Clusters, Globular Clusters, Milky Way Galaxy, Stellar Evolution

Scientific paper

The light-to-mass ratios of field RRab variable in the Galactocentric distance range 0.5-19.0 kpc are calculated and compared with the results for RR Lyrae variables in Galactic globular clusters. It is shown that the two populations of variables are the same over the whole range of metallicity and Galactocentric distance. At fixed metallicity, the horizontal branch morphology in the field varies with the clusters.

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