Standardization of the Solar-Neighborhood Main Sequence for Spectral Types K4 to M6

Details Standardization of the Solar-Neighborhood Main Sequence for Spectral Types K4 to M6 Standardization of the Solar-Neighborhood Main Sequence for Spectral Types K4 to M6

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1094..820w&link_type=abstract

COOL STARS, STELLAR SYSTEMS AND THE SUN: Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun.

Other

Low Luminosity Stars, Subdwarfs, And Brown Dwarfs, Distances, Parallaxes, Extrasolar Planetary Systems

Scientific paper

We have selected a set of nearby stars suitable for use in defining the solar-neighborhood main sequence from type K4 V to M6 V. The chosen stars have excellent photometry, spectral classifications on a consistent scale, and smooth distributions in color and molecular band strength. They also have high-quality parallax measurements which show them to lie near the mean main sequence as defined by a larger sample of stars. High-velocity stars, subdwarfs, and other peculiar types have been avoided, as have close visual binaries which may be difficult to observe separately. We show color-magnitude diagrams for the selected standard stars and for a larger set of stars for which the same data are available.

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