Dynamical Mass Determination for Elliptical Galaxies

(2) Institut fuer Astronomie & Astrophysik; CH; D); Gunther Jeske(1); Ortwin Gerhard(1); Ralf Bender(2) ((1) Astronomisches Institut; R. P. Saglia(2); Universitaet Basel; Universitaet Muenchen

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arxiv astro-ph/9801159 v1 pith:YDW5QQII submitted 1998-01-16 astro-ph

Dynamical Mass Determination for Elliptical Galaxies

Ortwin Gerhard(1) , Gunther Jeske(1) , R. P. Saglia(2) , Ralf Bender(2) ((1) Astronomisches Institut , Universitaet Basel , CH , (2) Institut fuer Astronomie & Astrophysik , Universitaet Muenchen

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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.

Dynamical Mass Determination for Elliptical Galaxies

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