Constraints on the Space Density of Extragalactic HVCs


High Velocity Clouds (HVCs) have recently attracted renewed attention as being long lived, massive dark matter dominated clouds of primordial composition distributed throughout the Local Group. In this picture the HVCs would contain a few ×10 M⊙ of H i and would be at distances of a few hundred kpc to 1.5 Mpc from the Local Group barycenter. If this… (More)


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