The structure of the Fornax dwarf elliptical galaxy. I - The radial profile

Details The structure of the Fornax dwarf elliptical galaxy. I - The radial profile The structure of the Fornax dwarf elliptical galaxy. I - The radial profile

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....96.1352e&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 96, Oct. 1988, p. 1352-1361.

Astronomy and Astrophysics

Astronomy

32

Dwarf Galaxies, Elliptical Galaxies, Galactic Structure, Schmidt Telescopes, Star Formation, Stellar Luminosity, Galactic Rotation, Stellar Models

Scientific paper

The radial profile of the Fornax dwarf elliptical galaxy has been obtained based on automated star counts on UK Schmidt plates. The best model fits are achieved with a tidal radius of 108 + or - 3 arcmin and a core radius of 16.7 + or - 1.8 arcmin. The low galactic mass value of about 3.7 + or - 1.9 x 10 to the 10th solar masses obtained suggests that the halo dwarfs have not yet reached tidal equilibrium. The present results do not contradict the hypothesis that the halo dwarfs are the results of ram-pressure stripping of DI systems by the galactic halo.

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