CNO Abundances in the Quintuplet Cluster M Supergiant 5-7

We present and analyze infrared spectra of the supergiant VR 5–7, in the Quintuplet cluster 30 pc from the Galactic center. Within the uncertainties, the [C/H], [N/H], and [O/H] abundances in this star are equal to those of α Ori, a star which exhibits mixing of CNO processed elements, but are disti...

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Bibliographic Details
Published in:Astronomische Nachrichten 2003-09, Vol.324 (S1), p.299-302
Main Authors: Ramírez, S. V., Sellgren, K., Blum, R., Terndrup, D. M.
Format: Article
Language:English
Subjects:
abundances
Galactic center
stars
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Summary:We present and analyze infrared spectra of the supergiant VR 5–7, in the Quintuplet cluster 30 pc from the Galactic center. Within the uncertainties, the [C/H], [N/H], and [O/H] abundances in this star are equal to those of α Ori, a star which exhibits mixing of CNO processed elements, but are distinct from the abundance patterns in IRS 7.
ISSN:0004-6337
1521-3994
DOI:10.1002/asna.200385083