Size of the Coma cluster

Details Size of the Coma cluster Size of the Coma cluster

Sep 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975natur.257..294c&link_type=abstract

Nature, vol. 257, Sept. 25, 1975, p. 294, 295.

Astronomy and Astrophysics

Astronomy

42

Galactic Clusters, Radial Velocity, Size Determination, Astronomical Spectroscopy, Distance, Radii

Scientific paper

Spectrograms obtained with a Carnegie image tube have been used to determine the radial velocities of 50 of the 52 galaxies (a homogeneous sample) 5-13 degrees west of the center of the Coma cluster. The data of the homogeneous sample has been used to derive the average surface density of galaxies against distance from the cluster center. The outer radius of the Coma cluster is determined to be 32 Mpc, making it one of the largest known celestial entities.

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