Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aj....102.1581b&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 102, Nov. 1991, p. 1581-1609. Research supported by Smithsonian Institution.
Astronomy and Astrophysics
Astronomy
152
Dynamic Models, Galactic Clusters, Velocity Distribution, X Ray Astronomy, Galactic Nuclei, Galactic Radiation, Red Shift, Two Body Problem
Scientific paper
Four-hundred-twenty-eight new redshift measurements for galaxies in the vicinity of 12 Abell clusters are presented. The data are supplemented by previously published data with 3 deg of each cluster center. The cluster selection, the variety of telescopes and instrumentation used to obtain the galaxy redshifts, and the available X-ray observations are discussed. Each cluster is exmained in some detail, with the emphasis placed on the nature of the observed velocity distributions. Robust and resistant estimators of the velocity location and scale are applied in order to quantify these distributions. The offset in velocity space of the dominant galaxy in each cluster or subcluster is considered with respect to the central location in the velocity space of the cluster as a whole, and the physical implications of significant offsets found in several clusters are discussed. Dynamical estimates of the masses of clusters and/or subclusters are obtained; for clearly bimodal systems, two-body models are employed to specify their likely dynamical state.
Beers Timothy C.
Forman William
Gebhardt Karl
Huchra John P.
Jones Christine
No associations
LandOfFree
A dynamical analysis of twelve clusters of galaxies does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with A dynamical analysis of twelve clusters of galaxies, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A dynamical analysis of twelve clusters of galaxies will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1716592