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A double stellar generation in the globular cluster NGC 6656 (M 22)

Date

Authors

Marino, Anna

Milone, Antonino

Piotto, G

Villanova, S

Bedin, L R

Bellini, A

Renzini, Alvio

Publisher

Springer

Abstract

We present a chemical abundance analysis based on high resolution UVES spectra of seventeen bright giant stars in the Globular Cluster (GC) M 22. We obtained an average iron abundance of [Fe/H] =-1.76*± 0.02 (internal errors only) and an a enhancement of

Keywords

Keywords: Chemical abundance; Galaxy: globular clusters: individual: NGC 6656; Giant stars; Globular clusters; Group members; High resolution; High-resolution spectra; Iron content; Lower resolution; R-process; S-process; Stars: abundances; Stellar populations; Bar Galaxy: globular clusters: individual: NGC 6656; Stars: abundances

URI

http://hdl.handle.net/1885/80193

Collections

ANU Research Publications

Source

Astronomy and Astrophysics

Type

Journal article

DOI

10.1051/0004-6361/200911827

Restricted until

2037-12-31

Downloads

File

Description

01_Marino_A_double_stellar_generation_in_2009.pdf (1.03 MB)

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