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The field luminosity function and nearby groups of galaxies

Published online by Cambridge University Press:  07 February 2017

John Huchra
John Huchra*
Affiliation:
Center for Astrophysics Cambridge, Massachusetts

Extract

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We have assembled a catalog of radial velocities and magnitudes on a homogeneous system (the corrected Harvard, B(o) magnitudes of de Vaucouleurs) for over 4000 galaxies. Using this catalog, we have compiled a magnitude limited sample of ~ 1000 galaxies with nearly complete radial velocity data. the magnitude limit is 13.0 and the galaxies are primarily from the Shapley-Ames catalog plus a few low and high surface brightness objects properly included in a magnitude limited sample. My colleagues, M. Davis, M. Geller and I are presently analyzing the dynamical properties of this sample. I would like to briefly describe a new determination of the field luminosity function and density plus our initial experiments with the use of a redshift catalog to select groups of galaxies.

Type
III. Large Scale Systems
Information
Symposium - International Astronomical Union , Volume 79: The Large Scale Structure of the Universe , 1978 , pp. 271 - 273
Copyright
Copyright © Reidel 1978 

References

de Vaucouleurs, G. 1976, in Stars and Stellar Systems IX, “Galaxies and the Universe“, eds. Sandage, , Sandage, and Kristian, , U. of Chic. Press.Google Scholar
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