Catalog Service: Abundances of NGC 7789 evolved stars
Description
High-resolution spectra of six giants and three core-helium-burning "clump" stars in the open cluster NGC 7789 have been obtained with the SOFIN spectrograph on the Nordic Optical Telescope to investigate abundances of up to 20 chemical elements. Abundances of carbon were studied using the C_2_ Swan (0, 1) band head at 5635.5{AA}. The wavelength interval 7980-8130{AA} with strong CN features was analysed in order to determine nitrogen abundances and ^12^C/^13^C isotope ratios. The oxygen abundances were determined from the [O I] line at 6300{AA}.
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Publisher: CDSivo://CDS[Pub. ID]
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This resource was registered on: 2005 Apr 02 21:27:25ZThis resource description was last updated on: 2021 Oct 21 00:00:00Z
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