M dwarfs : band strengths in halo and disk populations

Scanner measurements of TiO and CaH bands are interpreted using model atmospheres to yield information on the abundance, and gravity of M dwarfs of different kinematic populations. If the O/C ratio is solar in the halo, a number of M subdwarfs in the present study are metal deficient by only 0.5 to...

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Veröffentlicht in:	Astrophys. J.; (United States) 1976-07, Vol.207, p.535
1. Verfasser:	Mould, J. R.
Format:	Artikel
Sprache:	eng
Schlagworte:	640102 - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources ABUNDANCE ATMOSPHERES CHEMICAL COMPOSITION CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DWARF STARS ENERGY-LEVEL TRANSITIONS GRAVITATION GRAVITATIONAL FIELDS SPECTRA STARS STELLAR ATMOSPHERES
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