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Search For Star Cluster Age Gradients Across Spiral Arms of Three LEGUS Disk Galaxies
F. Shabani, E. K. Grebel, A. Pasquali +20
One of the main theories for explaining the formation of spiral arms in galaxies is the stationary density wave theory. This theory predicts the existence of an age gradient across…
The young star cluster population of M51 with LEGUS - II. Testing environmental dependencies
M. Messa, A. Adamo, D. Calzetti +16
It has recently been established that the properties of young star clusters (YSCs) can vary as a function of the galactic environment in which they are found. We use the cluster ca…
Star Formation Histories of the LEGUS dwarf galaxies. II. Spatially resolved star formation history of the Magellanic irregular NGC 4449
Elena Sacchi, Michele Cignoni, Alessandra Aloisi +16
We present a detailed study of the Magellanic irregular galaxy NGC 4449 based on both archival and new photometric data from the Legacy Extragalactic UV Survey, obtained with the H…
Extinction Maps and Dust-to-Gas Ratios in Nearby Galaxies with LEGUS
L. Kahre, R. A. Walterbos, H. Kim +44
We present a study of the dust-to-gas ratios in five nearby galaxies NGC 628 (M74), NGC 6503, NGC 7793, UGC 5139 (Holmberg I), and UGC 4305 (Holmberg II). Using Hubble Space Telesc…
Star Formation Histories of the LEGUS Dwarf Galaxies (I): recent History of NGC1705, NGC4449 and Holmberg II
M. Cignoni, E. Sacchi, A. Aloisi +19
We use HST observations from the Legacy Extragalactic UV Survey to reconstruct the recent star formation histories (SFHs) of three actively star-forming dwarf galaxies, NGC4449, Ho…
The resolved stellar populations in the LEGUS galaxies
E. Sabbi, D. Calzetti, L. Ubeda +52
The Legacy ExtraGalactic UV Survey (LEGUS) is a multiwavelength Cycle 21 Treasury program on the Hubble Space Telescope. It studied 50 nearby star-forming galaxies in five bands fr…