THE ABUNDANCES OF α- ELEMENTS IN THE OPEN CLUSTER NGC 6791 FROM APOGEE DATA

被引：0

作者：

Cunha, K. ^{[1
,2
]}

Smith, V. V. ^{[3
]}

机构：

[1] Observ Nacl, Rio De Janeiro, Brazil

[2] Univ Arizona, Tucson, AZ USA

[3] Natl Opt Astron Observ, Tucson, AZ 85726 USA

来源：

MILKY WAY UNRAVELLED BY GAIA: GREAT SCIENCE FROM THE GAIA DATA RELEASES | 2015年 / 67-68卷

关键词：

D O I：

10.1051/eas/1567069

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The open cluster NGC 6791 is among the oldest, most massive open clusters in the Galaxy. High-resolution H-band spectra from the SDSS III /Apache Point Observatory Galactic Evolution Experiment (APOGEE) of 11 red giants in NGC 6791 are analyzed for their chemical abundances of 8 elements: C, N, O, Mg, Si, Ca, Ti and Fe. From the infrared spectra, this cluster is confirmed to be among the most metal-rich clusters in the Galaxy (< [Fe/H] >= 0.34 +/- 0.06), and is found to have roughly solar values of the ca-element abundances.

引用

页码：365 / 365

页数：1

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