Dynamical Mass Determination for Elliptical Galaxies
天体物理学
2007-05-23 v1
摘要
The mass and anisotropy of an elliptical galaxy can be simultaneously determined from velocity dispersion and line profile shape measurements. We describe the principles, techniques, and limitations of this approach, and the results obtained sofar. We briefly discuss how best to combine these stellar-dynamical results with X-ray measurements and gravitational lensing analyses.
引用
@article{arxiv.astro-ph/9801159,
title = {Dynamical Mass Determination for Elliptical Galaxies},
author = {Ortwin Gerhard and Gunther Jeske and R. P. Saglia and Ralf Bender},
journal= {arXiv preprint arXiv:astro-ph/9801159},
year = {2007}
}
备注
9 pages, LaTeX, 6 figures. To appear in the Proceedings of UC Santa Cruz Conference on Galactic Halos, ed. D. Zaritsky. Also available at http://www.astro.unibas.ch/~gerhard/papers/emasses.ps.gz