Release 11.12 ("Hergest Ridge")
Release 11.12 ("Hergest Ridge")
| Article ID: gc503 | |
| Author | Han, Sang-Il; Lim, Dongwook; Seo, Hyunju; Lee, Young-Wook |
| Title | Evidence for Enrichment by Supernovae in the Globular Cluster NGC 6273 |
| Journal | The Astrophysical Journal Letters, Volume 813, Issue 2, article id. L43, 5 pp. |
| Year of publication | 2015 (on gclusters from 2015-12-03 14:53:55 ) |
| Abstract | In our recent investigation, we showed that narrowband photometry can be combined with low-resolution spectroscopy to effectively search for globular clusters (GCs) with supernova (SN) enrichments. Here we apply this technique to the metal-poor bulge GC NGC 6273 and find that the red giant branch stars in this GC are clearly divided into two distinct subpopulations with different calcium abundances (...) Our results suggest that NGC 6273 was massive enough to retain SN ejecta, which would place this cluster in the growing group of GCs with Galactic building block characteristics, such as ? Centauri and Terzan 5. |
| Also available at: | http://arxiv.org/abs/1510.06044 |
| Tags | NGC 6273 |
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