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Spatial segregation of massive clusters in dwarf galaxies
Bruce G. Elmegreen, A. Adamo, M. Boquien +14
The relative average minimum projected separations of star clusters in the Legacy ExtraGalactic UV Survey (LEGUS) and in tidal dwarfs around the interacting galaxy NGC 5291 are det…
Star formation histories of the LEGUS dwarf galaxies (III): the non-bursty nature of 23 star forming dwarf galaxies
M. Cignoni, E. Sacchi, M. Tosi +15
We derive the recent star formation histories of 23 active dwarf galaxies using HST observations from the Legacy Extragalactic UV Survey (LEGUS). We apply a color-magnitude diagram…
The GRIFFIN project -- Formation of star clusters with individual massive stars in a simulated dwarf galaxy starburst
Natalia Lahén, Thorsten Naab, Peter H. Johansson +5
We describe a population of young star clusters (SCs) formed in a hydrodynamical simulation of a gas-rich dwarf galaxy merger resolved with individual massive stars at sub-parsec s…
Highly Embedded 8 micron Cores of Star Formation in the Spiral Arms and Filaments of 15 Nearby Disk Galaxies
Bruce G. Elmegreen, Debra Meloy Elmegreen
Spitzer Space Telescope observations of 15 spiral galaxies show numerous dense cores at 8 microns that are revealed primarily in unsharp mask images. The cores are generally invisi…
The sequence of spiral arm classes: Observational signatures of persistent spiral density waves in grand-design galaxies
A. Bittner, D. A. Gadotti, B. G. Elmegreen +4
We investigate how the properties of spiral arms relate to other fundamental galaxy properties. To this end, we use previously published measurements of those properties, and our o…
Power-law Sersic profiles in hydrostatic stellar galaxy discs
Curtis Struck, Bruce G. Elmegreen
Previously, we showed that surface density profiles of the form of a power-law times a Sersic function satisfy the hydrostatic Jeans equations, a variety of observational constrain…