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Deep MOS Spectroscopy of NGC 1316 Globular Clusters
oleh: Leandro A. Sesto, Favio R. Faifer, Juan C. Forte, Analía V. Smith Castelli
| Format: | Article |
|---|---|
| Diterbitkan: | MDPI AG 2017-08-01 |
Deskripsi
The giant elliptical galaxy NGC 1316 is the brightest galaxy in the Fornax cluster, and displays a number of morphological features that might be interpreted as an intermediate age merger remanent (∼3 Gyr). Based on the idea that globular clusters systems (GCS) constitute genuine tracers of the formation and evolution of their host galaxies, we conducted a spectroscopic study of approximately 40 globular clusters (GCs) candidates associated with this interesting galaxy. We determined ages, metallicities, and α -element abundances for each GC present in the sample, through the measurement of different Lick indices and their subsequent comparison with simple stellar populations models (SSPs).