Volume 423, Number 2, August IV 2004
|Page(s)||501 - 505|
|Published online||06 August 2004|
Ellipsoidal mass models with varying axial ratios
School of Studies in Physics, Pt. Ravishankar Shukla University, Raipur 492 010, India e-mail: firstname.lastname@example.org
Accepted: 10 May 2004
A family of triaxial mass models is described, for which the density is stratified on coaxial ellipsoids with varying axial ratios. The contours of constant projected density are almost perfect ellipses with ellpticity variations and isophote twists, but with no significant high-order residuals. These models are generalization of the triaxial models of Stark. An application to a real galaxy is presented.
Key words: galaxies: photometry / galaxies: structure / galaxies: general
© ESO, 2004
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