Resolved Stellar Populations Constituting Extended UV Disks (XUV-disks) in Nearby Galaxies
D. A. Thilker, L. Bianchi, G. Meurer, A. Gil de Paz, S. Boissier, B., Madore, A. Ferguson, S. Hameed, S. Neff, C. D. Martin, R. M. Rich, D., Schiminovich, M. Seibert, and T. Wyder
TL;DR
This study uses HST imaging to analyze recent star formation in the extended UV disks of nearby galaxies, providing insights into stellar populations, ages, and clustering in these unique environments.
Contribution
It presents new photometric analysis of resolved stellar populations in XUV-disks, highlighting their properties and star formation characteristics.
Findings
Identification of star formation complexes in XUV-disks
Constraints on stellar types and ages from CMD analysis
Insights into clustering properties of young stars
Abstract
We describe HST imaging of recent star formation complexes located in the extended UV disk (XUV-disk) component of NGC 5236 (M 83), NGC 5055 (M 63), and NGC 2090. Photometry in four FUV--visible bands permits us to constrain the type of resolved stars and effective age of clusters, in addition to extinction. The preliminary results given herein focus on CMD analysis and clustering properties in this unique star-forming environment.
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Taxonomy
TopicsAstrophysics and Star Formation Studies · Astronomy and Astrophysical Research · Stellar, planetary, and galactic studies