Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89.1190y&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 89, Aug. 1984, p. 1190-1199.
Astronomy and Astrophysics
Astronomy
12
Dwarf Stars, G Stars, Metallicity, Northern Sky, Stellar Composition, Cosmochemistry, Histograms, Statistical Distributions
Scientific paper
Using the published three-color photometric data of faint stars in the direction of the north galactic pole, the author separated G dwarfs from subgiants by means of a statistical method which utilizes the fact that the star counts are related to both the luminosity function and the density function. Based on the sample of G dwarfs thus separated, the author derived the cumulative metallicity distributions for three intervals of height above the galactic plane, 1.0 kpc ≤ z < 1.5 kpc, 0.2 kpc ≤ z < 1.5 kpc, and 0.0 kpc ≤ z < 1.0 kpc, and found that the gradient in the mean metallicity exists at least up to z ≡ 1.5 - 2.0 kpc. The derived results are interpreted by a two-zone model of chemical evolution which describes the collapse of gas toward the galactic plane.
No associations
LandOfFree
Frequency distribution of metal abundance for faint stars in the direction of the north galactic pole does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Frequency distribution of metal abundance for faint stars in the direction of the north galactic pole, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Frequency distribution of metal abundance for faint stars in the direction of the north galactic pole will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1673893