Scanner observations of faint dwarf M stars near the north galactic pole

Details Scanner observations of faint dwarf M stars near the north galactic pole Scanner observations of faint dwarf M stars near the north galactic pole

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977pasp...89..331k&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 89, June-July 1977, p. 331-334.

Astronomy and Astrophysics

Astronomy

1

Dwarf Stars, M Stars, Stellar Spectrophotometry, H Alpha Line, Hydrides, Magnesium Compounds, Stellar Motions

Scientific paper

Image-tube scans have been obtained for ten of the faintest and latest M dwarf stars on the proper-motion list of Murray and Sanduleak (1972). The scans have been measured for magnesium hydride strength, which is shown to be correlated with the motion component corresponding to the square root of U velocity squared plus V velocity squared. Only two stars have emission at H-alpha. From all appearances, the stars are similar to M dwarfs found in the solar neighborhood, and in particular there is no evidence for a dominant young population.

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