A new method for metal-abundance determination in late-type stars

Details A new method for metal-abundance determination in late-type stars A new method for metal-abundance determination in late-type stars

Nov 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978aj.....83.1430c&link_type=abstract

Astronomical Journal, vol. 83, Nov. 1978, p. 1430-1436. Research supported by the National Research Council of Canada.

Astronomy and Astrophysics

Astronomy

13

Abundance, Late Stars, Metals, Stellar Spectra, Astronomical Catalogs, Calibrating, Colorimetry, Giant Stars, Infrared Astronomy, K Stars, Line Spectra, Stellar Structure

Scientific paper

An empirical technique has been developed for deriving heavy-element abundances from near-infrared blends of weak metallic lines. It is applicable to G and K stars of population I and II and is independent of gravity and microturbulence. A feature of the method is that it gives abundances for 'super-metal-rich' giants consistent with high-dispersion analyses. The technique may be applicable to abundance problems in galaxies. It is also shown that precision colorimetry unaffected by sky transparency changes is possible with a diode array spectrometer.

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