Luminosity Classes of M-Stars in the SAO Catalogue

Details Luminosity Classes of M-Stars in the SAO Catalogue Luminosity Classes of M-Stars in the SAO Catalogue

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986aj.....92..457r&link_type=abstract

ASTRONOMICAL JOURNAL V. 92:2, NO.1567/AUG, P. 457, 1986

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Scientific paper

A list of potential M dwarf stars was compiled from a magnetic-tape version of the Smithsonian Astrophysical Observatory star catalogue (SAO) (Smithsonian Astrophysical Observatory 1966) using an assumed thickness of 600 pc for the galactic plane as suggested by Nunez and Figueras (1983). Calculations of the number of M stars brighter than various limiting magnitudes based on known luminosity functions of dwarf and giant M stars show that the vast majority of sample stars are probably M giant stars rather than M dwarf stars having low transverse velocities. Analyses of the distribution in galactic longitude and latitude as well as the kinematic properties of this sample and of data from other published sources supporting this conclusion are also presented.

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