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68 papers · 2 filters
Testing a proposed "planarity" tool for studying satellite systems: On the alleged consistency of Milky Way satellite galaxy planes with CDM
Marcel S. Pawlowski, Mariana P. Júlio, Kosuke Jamie Kanehisa +1
The existence of planes of satellite galaxies has been identified as a long-standing challenge to CDM cosmology, due to the rarity of satellite systems in cosmological simulatio…
Chemical Evolution of R-process Elements in Stars (CERES). III. Chemical abundances of neutron capture elements from Ba to Eu
L. Lombardo, C. J. Hansen, F. Rizzuti +11
The chemical abundances of elements such as barium and the lanthanides are essential to understand the nucleosynthesis of heavy elements in the early Universe as well as the contri…
MusE GAs FLOw and Wind (MEGAFLOW) XIII. Cool gas traced by MgII around isolated galaxies
Maxime Cherrey, Nicolas F. Bouché, Johannes Zabl +7
The circumgalactic medium (CGM) is a key component needed to understand the physical processes governing the flows of gas around galaxies. Quantifying its evolution and its depende…
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…
IFUM Integrated Field Spectroscopy of Ten M104 Satellite Galaxy Candidates
Ethan Crosby, Mario Mateo, Ivanna Escala +3
We report the spectroscopic analysis of ten satellite galaxy candidates in the sphere of influence of the Sombrero galaxy (M104, NGC4594), based on data obtained with IFUM (Integra…
Average X-ray properties of galaxy groups. From Milky Way-like halos to massive clusters
P. Popesso, I. Marini, K. Dolag +20
This study examines the average X-ray properties of massive halos at z< 0.2, covering the largest halo mass range to date, from Milky Way-like halos to massive clusters. The analys…