Dynamical analysis of elliptical galaxy halos

Details Dynamical analysis of elliptical galaxy halos Dynamical analysis of elliptical galaxy halos

1998-11-25

arxiv.org/abs/astro-ph/9811403v1

Astronomy and Astrophysics

Astrophysics

2 pages, 1 figure, Galaxy Dynamics conference held at Rutgers University, Aug. 98

Scientific paper

We describe a non-parametric method for determining both the anisotropy and mass profiles of elliptical galaxies from velocity dispersions and velocity profile shapes along the line of sight. In this way, mass-to-light ratios out to 2-3 effective radii can be derived from stellar absorption line spectroscopy. We discuss two illustrative cases, NGC 1399 and NGC 6703. So far, all ellipticals which have been analysed show evidence for dark matter dominating in the outer parts. The circular velocity curves are nearly flat, as in spiral galaxies.

Affiliated with

Also associated with

No associations

Rating

Dynamical analysis of elliptical galaxy halos does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Dynamical analysis of elliptical galaxy halos, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dynamical analysis of elliptical galaxy halos will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-458715