Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...208...30w&link_type=abstract
Astrophysical Journal, vol. 208, Aug. 15, 1976, pt. 1, p. 30-36. NSF-supported research.
Astronomy and Astrophysics
Astronomy
79
H Beta Line, Luminous Intensity, Quasars, Red Shift, Seyfert Galaxies, Bolometers, Cosmology, Galactic Evolution, Radio Astronomy
Scientific paper
If a continuous transition should exist from objects called Seyfert galaxies to objects termed quasi-stellar objects (QSOs), and objects of both groups were of comparable luminosity, a valid claim could be made that the QSOs are simply distant Seyfert galaxies. The existence of such a smooth transition is demonstrated, using new observations of H-beta or L-alpha fluxes for 57 Seyfert galaxies and QSOs, obtained with an intense image-dissector scanner, and by comparing the deduced H-beta luminosities of QSOs and class 1 Seyfert galaxies.
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