New light on faint stars. I - The luminosity function in the solar neighbourhood

Details New light on faint stars. I - The luminosity function in the solar neighbourhood New light on faint stars. I - The luminosity function in the solar neighbourhood

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.201...51r&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 201, Oct. 1982, p. 51-71.

Astronomy and Astrophysics

Astronomy

28

Electrophotometers, M Stars, Red Dwarf Stars, Stellar Luminosity, Stellar Motions, Stellar Parallax, Hertzsprung-Russell Diagram, Kinematics, Late Stars, Stellar Mass

Scientific paper

From photoelectric photometry of red dwarf stars identified in an objective prism survey, a magnitude-limited complete sample has been defined. Applying photometric parallaxes, calibrated for the Kron-Cousins system by observations of trigonometric parallax stars, this sample is used to determine the space densities of stars with absolute magnitudes between + 7 and + 12. The resultant luminosity function is consistent with the Luyten and Wielen functions for the solar neighbourhood. An analysis of the stellar kinematics shows little significant evidence of a substantial local population of low space motion M-dwarfs.

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