Concepedia

Spectra probing the number ratio of C- to M-type AGB stars in the NGC 6822 galaxy

N. Kacharov, M. Rejkuba, Maria-Rosa L. Cioni

Astronomy and Astrophysics · 2011 · 24 citations · 60 references

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Abstract

Aims. We calibrate spectroscopically the C- versus (vs.) M-type asymptotic giant branch (AGB) star selection made using near-IR photometry, and investigate the spatial distribution of the C/M ratio in NGC 6822, based on low resolution spectroscopy and near-IR photometry.

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