Constraints on the orbits of multiple nuclei in brightest cluster galaxies

Details Constraints on the orbits of multiple nuclei in brightest cluster galaxies Constraints on the orbits of multiple nuclei in brightest cluster galaxies

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...279...13t&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 279, April 1, 1984, p. 13-18.

Other

67

Galactic Clusters, Galactic Nuclei, Galactic Radiation, Orbit Calculation, Stellar Motions, Constraints, Elliptical Galaxies, Mass To Light Ratios, Red Shift

Scientific paper

Observations of the velocity and dispersion profiles of the brightest cluster galaxies N6166 and N7720 and their multiple nuclei are presented. The stellar velocity dispersion of the central galaxies demonstrates that the multiple nuclei are not following circular orbits, and that their high relative velocity is not indicative of large mass-to-luminosity ratios in the central galaxy or in the center of the surrounding cluster. The mass-to-luminosity ratios of the central galaxies and the multiple nuclei are indistinguishable from those of other elliptical galaxies.

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