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Exploring the Diversity of Faint Satellites in the M81 Group
Katya Gozman, Eric F. Bell, In Sung Jang +9
In the last decade, we have been able to probe further down the galaxy luminosity function than ever before and expand into the regime of ultra-faint dwarfs (UFDs), which are some…
A Timeline of the M81 Group: Properties of the Extended Structures of M82 and NGC 3077
Benjamin N. Velguth, Eric F. Bell, Adam Smercina +8
Mergers of and interactions between galaxies imprint a wide diversity of morphological, dynamical, and chemical characteristics in stellar halos and tidal streams. Measuring these…
First resolved stellar halo kinematics of a MW-mass galaxy outside the Local Group: A flat counter-rotating halo in NGC 4945
Camila Beltrand, Antonela Monachesi, Richard D'Souza +6
Stellar halos of galaxies, primarily formed through the accretion of smaller objects, are important to understand the hierarchical mass assembly of galaxies. However, the inner reg…
The VISTA Variables in the Vía Láctea eXtended (VVVX) ESO public survey: Completion of the observations and legacy
R. K. Saito, M. Hempel, J. Alonso-García +143
The ESO public survey VISTA Variables in the Vía Láctea (VVV) surveyed the inner Galactic bulge and the adjacent southern Galactic disk from . Upon its conclusion, the c…
Star formation beyond galaxies: widespread in-situ formation of intra-cluster stars
Niusha Ahvazi, Laura V. Sales, Julio F. Navarro +3
We study the fraction of the intra-cluster light (ICL) formed in-situ in the three most massive clusters of the TNG50 simulation, with virial masses M. We…