Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apjs...75..297h&link_type=abstract
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 75, Feb. 1991, p. 297-356.
Astronomy and Astrophysics
Astrophysics
106
Astronomical Catalogs, Emission Spectra, Line Spectra, Quasars, Red Shift, Seyfert Galaxies, Extragalactic Radio Sources, Hubble Diagram, Radio Galaxies
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 or less, 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 or less 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 greater than 0.2. There is a separate and distinct peak in the redshift distribution at z = 0.06.
Burbidge Geoffrey
Hewitt Adelaide
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