3C 89 b , the SIMBAD biblio

1972ApJ...178...25S - Astrophys. J., 178, 25-44 (1972)

The redshift-distance relation. III. Photometry and the Hubble diagram for radio sources and the possible turn-on time for QSOs.

SANDAGE A.

Journal keyword(s):

Simbad objects: 98

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