The infrared luminosity function for low-mass stars

Details The infrared luminosity function for low-mass stars The infrared luminosity function for low-mass stars

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.234.1065l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 234, Oct. 15, 1988, p. 1065-1090.

Astronomy and Astrophysics

Astrophysics

86

Infrared Spectra, M Stars, Stellar Luminosity, Stellar Mass, Gravitational Effects, Metallicity, Missing Mass (Astrophysics), Parallax, Solar Neighborhood, Stellar Color

Scientific paper

The authors present the first infrared observational luminosity functions (LFs) for M dwarfs towards the South Galactic Pole and the Hyades cluster. They also give a definitive compilation of new and published VRIJHK data for 200 parallax stars, for deriving photometric parallaxes in such studies. Two-colour near-infrared/infrared diagrams of these data are used to demonstrate metallicity and gravity effects, and show that I-J is the purest temperature colour index. An MJ:I-J relation is given using high-quality trigonometric parallaxes from the new Yale catalogue. The authors describe the corrections to the LFs that are necessary to allow for magnitude errors (Malmquist effects), which have been incorrectly applied in recent determinations.

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