Undressing M87 by Exposing its Most Private Globulars
We present a multiwavelength photometric analysis of the innermost (3×3 kpc2) Globular Clusters (GCs) of M87. Their Spectral Energy Distributions (SEDs) were built with J and Ks imaging obtained with NaCo at the VLT, along with HST UV-optical archival data. Using both Galatic GC templates and stella...
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| Veröffentlicht in: | Proceedings of the International Astronomical Union 2012-08, Vol.8 (S295), p.318-318 |
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| creator | Montes, Mireia Acosta-Pulido, José A. Prieto, M. Almudena Fernández-Ontiveros, Juan A. |
| description | We present a multiwavelength photometric analysis of the innermost (3×3 kpc2) Globular Clusters (GCs) of M87. Their Spectral Energy Distributions (SEDs) were built with J and Ks imaging obtained with NaCo at the VLT, along with HST UV-optical archival data. Using both Galatic GC templates and stellar population models, we derived ages (> 10 Gyr) and metallicities ([Fe/H]~ −0.7) for these clusters (e.g: Cohen et al. 1998). These GCs have lower metallicities than its host galaxy. This agrees with the idea that the GC population formed earlier than the bulk of the stars. |
| doi_str_mv | 10.1017/S1743921313005206 |
| format | Article |
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| source | Cambridge University Press Journals Complete |
| subjects | Astronomical bodies Astrophysics Clusters Contributed Papers Globular clusters Imaging Iron Metallicity Photometry Spectral energy distribution Star & galaxy formation |
| title | Undressing M87 by Exposing its Most Private Globulars |
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