Origin and evolution of ultra-diffuse galaxies in different environments
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DOI: 10.1093/mnras/stad1053
Abstract: We study the formation of ultra-diffuse galaxies (UDGs) using the cosmological hydrodynamical simulation TNG50 of the Illustris-TNG suite. We define UDGs as dwarf galaxies in the stellar mass range $\rm {7.5 \le log (M_{\star }… read more here.
Keywords: star; diffuse galaxies; ultra diffuse; different environments ... See more keywords
The multiple classes of ultra-diffuse galaxies: Can we tell them apart?
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DOI: 10.1093/mnras/stae2700
Abstract: This study compiles stellar populations and internal properties of ultra-diffuse galaxies (UDGs) to highlight correlations with their local environment, globular cluster (GC) richness, and star formation histories. Complementing our sample of 88 UDGs, we include… read more here.
Keywords: diffuse galaxies; ultra diffuse; surface brightness;
WALLABY: an untargeted search for H i -bearing ultra-diffuse galaxies uncovers the first known ultra-diffuse galaxy pair
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DOI: 10.1093/mnras/staf1840
Abstract: Using the Widefield ASKAP L-band Legacy All-sky Blind surveY (WALLABY) we performed an untargeted search for H i-bearing ultra-diffuse galaxies (UDGs). We identified a core sample of 10 UDGs defined by μg, 0 ≥ 24 mag arcsec−2… read more here.
Keywords: wallaby; ultra diffuse; diffuse; untargeted search ... See more keywords
Redshift, metallicity and size of two extended dwarf Irregular galaxies: a link between dwarf Irregulars and ultra diffuse galaxies?
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DOI: 10.1093/mnras/stx236
Abstract: We present the results of the spectroscopic and photometric follow-up of two field galaxies that were selected as possible stellar counterparts of local high velocity clouds. Our analysis shows that the two systems are distant… read more here.
Keywords: dwarf irregular; diffuse galaxies; irregular galaxies; ultra diffuse ... See more keywords
The origin of ultra diffuse galaxies: stellar feedback and quenching.
Sign Up to like & getrecommendations! Published in 2018 at "Monthly notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty1153
Abstract: We test if the cosmological zoom-in simulations of isolated galaxies from the FIRE project reproduce the properties of ultra diffuse galaxies (UDGs). We show that outflows that dynamically heat galactic stars, together with a passively… read more here.
Keywords: range; diffuse galaxies; ultra diffuse; origin ultra ... See more keywords