Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...236..419s&link_type=abstract
Astrophysical Journal, Part 1, vol. 236, Mar. 1, 1980, p. 419-429.
Astronomy and Astrophysics
Astronomy
76
Quasars, Radio Sources (Astronomy), Red Shift, Stellar Spectrophotometry, Emission Spectra, Photoionization, Radio Astronomy, Radio Spectra, Spectral Energy Distribution, Stellar Luminosity
Scientific paper
Redshifts and spectrophotometry are presented for eight faint QSOs identified with 3C and 3CR radio sources. Seven of these objects are quite red (alpha-opt. not less than 2.5) such that photoionization by the extrapolated nonthermal ultraviolet continuum appears unable to explain the observed emission line spectrum. 3C 93 and 3C 216, previously believed to be BL Lacertae objects, are shown to be relatively strong-lined QSOs with redshifts z = 0.357 and 0.670, respectively
Smith Harding E.
Spinrad Hyron
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