Fe/H-age and Fe/H-Z(pc) variations for a small north pole sample of F stars

Details Fe/H-age and Fe/H-Z(pc) variations for a small north pole sample of F stars Fe/H-age and Fe/H-Z(pc) variations for a small north pole sample of F stars

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...230...16k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 230, no. 1, April 1990, p. 16-20.

Astronomy and Astrophysics

Astronomy

6

F Stars, Metallicity, Star Distribution, Stellar Evolution, Helium, Iron, Northern Sky, Sky Surveys (Astronomy), [Fe/H], Local Variation

Scientific paper

A small sample of Galactic north pole F stars has been studied to see how the photometric metallicity [Fe/H] varies with age and distance from the Galactic plane.
A slight tendency to have a larger metal content is noticed for the younger stars but the "age-metallicity" relation may be due to either a limiting magnitude effect or to the confinement of spectral types. No strong gradient is apparent within ˜300 pc. This could be caused by the sample's Z(pc) - age profile, however.
The existence of old super metal rich stars in the F star range and their possible effect on the age-metallicity relation is discussed.

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