Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...266..516d&link_type=abstract
Astrophysical Journal, Part 1, vol. 266, Mar. 15, 1983, p. 516-530.
Astronomy and Astrophysics
Astrophysics
92
Elliptical Galaxies, Galactic Rotation, Galactic Structure, Angular Velocity, Luminosity, Plasma Jets, Spectrum Analysis, Velocity Distribution
Scientific paper
Extensive kinematical studies have shown that elliptical galaxies exhibit a wide variety of dynamical properties. There is evidence that the dynamical properties of elliptical galaxies depend upon their luminosity. In connection with the present investigation, major axis spectra have been obtained. Rotation and velocity dispersion profiles have been derived for four elliptical galaxies NGC 3379, NGC 4839, NGC 4889 and NGC 6909, and for the probable S0 galaxy NGC 584. NGC 3379 is consistent with being a rotationally-flattened isotropic-dispersion constant M/L oblate spheroid. While NGC 584 is classified E/S0, it is most likely an S0. If so, it, along with NGC 128 and NGC 4595, has the most luminous bulges for which kinematical data are available. For NGC 4839 and NGC 4889, two of the three brightest galaxies in Coma, virtually no rotation is found.
Davies Roger L.
Illingworth Garth
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