Galaxy Masses: Disks and Their Halos

Details Galaxy Masses: Disks and Their Halos Galaxy Masses: Disks and Their Halos

2001-12-14

arxiv.org/abs/astro-ph/0112357v2

2003, in The Mass of Galaxies at Low and High Redshift, Proceedings of the ESO Workshop held in Venice, Italy, 24-26 October 2

Astronomy and Astrophysics

Astrophysics

6 pages. Invited review for the ESO workshop The Mass of Galaxies at Low and High Redshift, ed. R. Bender & A. Renzini. (Text

Scientific paper

10.1007/10899892_11

I review what we currently do and do not know about the masses of disk
galaxies and their dark matter halos. The prognosis for disks is good: the
asymptotic rotation velocity provides a good indicator of total disk mass. The
prognosis for halos is bad: cuspy halos provide a poor description of the data,
and the total mass of individual dark matter halos remains ill-constrained.

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