Redshifts of quasars in the CFHT/MMT survey - Further evidence for isolated groups

Details Redshifts of quasars in the CFHT/MMT survey - Further evidence for isolated groups Redshifts of quasars in the CFHT/MMT survey - Further evidence for isolated groups

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...345...59c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 345, Oct. 1, 1989, p. 59-71.

Astronomy and Astrophysics

Astronomy

89

Astronomical Spectroscopy, Galactic Clusters, Quasars, Red Shift, Sky Surveys (Astronomy), Emission Spectra, Lyman Alpha Radiation, Spectral Line Width

Scientific paper

The results of MMT spectroscopic observations of 248 quasars discovered in the CFHT grens survey are presented. Many more quasars with z about 1.1 in the 1338+27 field have been found, providing additional evidence for a physical group of quasars in this direction. An analysis of the clustering properties of the quasar sample indicates that, in agreement with other workers, some quasars are clustered on scales r of less than 10/h Mpc. However, in this case this clustering is largely confined to the above mentioned group which occupies a small fraction of the total volume surveyed. A larger unbiased survey is required in order to investigate how general this result is.

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