Optical Extragalactic Emission-line Objects (Hewitt+ 1991)

Details Optical Extragalactic Emission-line Objects (Hewitt+ 1991) Optical Extragalactic Emission-line Objects (Hewitt+ 1991)

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ycat.7178....0h&link_type=abstract

VizieR On-line Data Catalog: VII/178. Originally published in: 1991ApJS...75..297H

Physics

Active Gal. Nuclei

Scientific paper

A catalog of 935 galaxies which have optical properties similar to those of QSOs is given. A subsidiary table of cross-identifications enables the reader to relate the name of a given object to its coordinate name. Most of the objects appear to be nonstellar. The majority, more than 700, have redshifts z<=0.2, and have mostly been classified as Seyfert galaxies, N systems, or radio galaxies. The Hubble diagram for all of the objects with z<=0.2 is shown. The redshift distribution peaks at z ~ 0.025, but there are about 200 powerful radio galaxies in the extended tail of the distribution which have z>0.2. There is a separate and distinct peak in the redshift distribution at z=0.06.
(3 data files).

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