Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...330...78b&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 330, July 1, 1988, p. 78-90. Research supported by the Ministero della Pubb
Astronomy and Astrophysics
Astrophysics
29
Anisotropic Media, Astronomical Models, Elliptical Galaxies, Galactic Mass, Galactic Structure, Mass To Light Ratios, Galactic Evolution, Gravitational Fields, Stellar Motions, X Ray Sources
Scientific paper
A detailed test of the quality of a simple family of anisotropic self-consistent global models for quasi-spherical galaxies is made by considering a set of bright ellipticals with available photometric and kinematical data. The photometric fit, under the assumption of constant mass-to-light ratio, not only proves to be very good, but also better than fits based upon the isotropic King models or the R1/4 law. In addition, the fit to the kinematical data is used to determine total masses and mass-to-light ratios. Seeing convolution effects are also briefly discussed and illustrated.
Bertin Giuseppe
Saglia Roberto P.
Stiavelli Massimo
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