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.
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页码：365 / 365
页数：1
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