Abstract
view Abstract Citations (140) References (79) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The ultra-metal-deficient (population III) red giant CD -38 245 ? Bessell, M. S. ; Norris, J. Abstract The authors present photometric and high-resolution spectroscopic data on the ultra-metal-deficient red giant CD -38°245. A model atmosphere analysis yields the parameters effective temperature, surface gravity and the element abundances. As a check the same procedures were applied to the well studied Population II red giant HD 2796. CD -38°245 has [Fe/H] = -4.5, and is the most metal-deficient astronomical object currently known. The authors suggest that CD -38°245 is an extreme Population II object, as opposed to its being a member of a new population. Publication: The Astrophysical Journal Pub Date: October 1984 DOI: 10.1086/162539 Bibcode: 1984ApJ...285..622B Keywords: Metallicity; Red Giant Stars; Stellar Composition; Stellar Spectrophotometry; Abundance; Carbon; Late Stars; Line Spectra; Nickel; Nitrogen; Stellar Color; Stellar Temperature; Astrophysics full text sources ADS | data products SIMBAD (16)
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