#NearFieldCosmology

Line-of-Sight Velocity Projection Impact on the Local Group Mass The mass of the Local Group (LG), comprising the Milky Way (MW), Andromeda (M31), and their satellites, is crucial for validating galaxy formation and cosmological models. Traditional virial mass esti...

Fresh from the arxiv:
arxiv.org/abs/2504.16991
check this interesting paper out which is a follow-up application to my previous paper with the first author. They now look at the impact of missing velocity components on the mass estimate of our Local Group.

#astronomy #NearFieldCosmology