Determination of the sulphur abundance in metal-deficient dwarf stars

Details Determination of the sulphur abundance in metal-deficient dwarf stars Determination of the sulphur abundance in metal-deficient dwarf stars

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...176..294f&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 176, no. 2, April 1987, p. 294-298.

Astronomy and Astrophysics

Astrophysics

45

Abundance, Dwarf Stars, Stellar Composition, Sulfur, H Ii Regions, Nuclear Fusion, Planetary Nebulae, Solar Neighborhood, Stellar Spectra

Scientific paper

High resolution spectra of 13 metal-deficient stars have been recorded in order to determine the sulphur abundance. By analogy with the results obtained for other elements (O, Mg, Si) in metal-deficient dwarfs, some preliminary trends have been outlined. The author then compares abundances of sulphur found in halo planetary nebulae and in H II regions with his results and finds a reasonable agreement.

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