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| Paper: |
A Study of Star Clusters in IC10 using SUBARU Suprime-Cam and MOIRCS Data |
| Volume: |
458, Galactic Archaeology: Near-Field Cosmology and the Formation of the Milky Way |
| Page: |
331 |
| Authors: |
Lim, S.; Lee, M. G. |
| Abstract: |
We present a photometric study of the star clusters in IC10. We find
fifteen new star clusters from the inspection of SUBARU/Suprime-Cam
images in the archive, while fifty seven star clusters are found from
HST images in previous studies. We derive JHKs integrated photometry
of these star clusters from the images taken with SUBARU/MOIRCS. We
combine this with optical photometry derived from archive
images. Then we derive age and mass of these star clusters using the
spectral energy distribution fitting with the simple stellar
population models. We fine that the age distribution has two dominant
peaks at about 20 Myr and 1 Gyr. The recent peak at 20 Myr shows that
recent starburst lasted since 20 Myr ago. The peak at 1 Gyr suggests
that IC10 had strong starburst at 1 Gyr ago. |
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