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2003PASP..115...96W - Publ. Astron. Soc. Pac., 115, 96-103 (2003/January-0)

The metal abundances of NGC 188 and NGC 6791 from low-resolution spectra.

WORTHEY G. and JOWETT K.J.

Abstract (from CDS):

Analysis of low-resolution spectra of K giants in the old open clusters NGC 188 and NGC 6791 yields [Fe/H]=0.075±0.045±σsysfor NGC 188 and [Fe/H]=0.320±0.023±σsysfor NGC 6791. The term σsysrepresents the drift between our underlying star catalog's abundance scale and the true abundance scale. Star R23 in NGC 6791 has [Fe/H]>0.6 according to our analysis and deserves further study.

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Journal keyword(s): Stars: Abundances - Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 6791 - Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 188

Nomenclature: Cl* NGC 6791 W 1 = NAME WORTHEY 1

Simbad objects: 49

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