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Is cosmology just a plausibility argument?
David W. Hogg
I review the basis and limitations of plausible inference in cosmology, in particular the limitation that it can only provide fundamentally true inferences when the hypotheses unde…
Galactic masers and the Milky Way circular velocity
Jo Bovy, David W. Hogg, Hans-Walter Rix
Masers found in massive star-forming regions can be located precisely in six-dimensional phase space and therefore serve as a tool for studying Milky Way dynamics. The non-random o…
The velocity distribution of nearby stars from Hipparcos data I. The significance of the moving groups
Jo Bovy, David W. Hogg, Sam T. Roweis
We present a three-dimensional reconstruction of the velocity distribution of nearby stars (<~ 100 pc) using a maximum likelihood density estimation technique applied to the two-di…
The Dual Origin of Stellar Halos
Adi Zolotov, Beth Willman, Alyson M. Brooks +5
We investigate the formation of the stellar halos of four simulated disk galaxies using high resolution, cosmological SPH + N-Body simulations. These simulations include a self-con…