Three candidate globular clusters discovered in the Galactic bulge
| dc.contributor.author | Camargo, D. | |
| dc.contributor.author | Minniti, D. | |
| dc.date.accessioned | 2023-08-09T15:02:49Z | |
| dc.date.available | 2023-08-09T15:02:49Z | |
| dc.date.issued | 2019-03-21 | |
| dc.description | Indexación Scopus | es |
| dc.description.abstract | This work reports the discovery of three new globular clusters (GCs) towards the Galactic bulge - Camargo 1107, 1108, and 1109. The discovery was made using the WISE, 2MASS, VVV, and Gaia-DR2 photometry. The new findings are old (12.0-13.5 Gyr) and metal-poor GCs ([Fe/H] < -1.5 dex) located in the bulge area close to the Milky Way (MW) mid-plane. Although the old ages and low metallicities suggest that the newly discovered GCs are likely associated with the inner halo, the possibility of these clusters being part of a primordial bulge GC subpopulation cannot be ruled out. Camargo 1107, for instance, presents a metallicity of [Fe/H] = -2.2 ± 0.4 dex and an age of 13.5 ± 2 Gyr, which may suggest that this cluster formed just after the big bang in the very early Universe. The discovery of GCs such as the new findings is crucial to built a coherent picture of the inner Galaxy. It is likely that at least a few more dozens of GCs are still to be discovered in the bulge. | es |
| dc.identifier.citation | Monthly Notices of the Royal Astronomical Society: Letters Volume 484, Issue 1, Pages L90 - L94 21 March 2019 | es |
| dc.identifier.issn | 1745-3925 | |
| dc.identifier.uri | https://repositorio.unab.cl/xmlui/handle/ria/52376 | |
| dc.language.iso | en | es |
| dc.publisher | Monthly Notices of the Royal Astronomical Society: Letters | es |
| dc.subject | (Galaxy:) bulge | es |
| dc.subject | catalogues | es |
| dc.subject | Galaxy: globular clusters: general | es |
| dc.subject | Galaxy: globular clusters: individual | es |
| dc.subject | surveys | es |
| dc.title | Three candidate globular clusters discovered in the Galactic bulge | es |
| dc.type | Artículo | es |
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