Two luminosity classes of quasars

Observations of quasars suggest that compact quasars with flat radio spectra belong to the class of dwarf galaxies and extended quasars with steep spectra to the one of bright galaxies. This can be seen also in the associations of quasars with clusters of galaxies, compact quasars occurring in nearb...

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Veröffentlicht in:	Astrophys. Space Sci., v. 37, no. 2, pp. 301-308 v. 37, no. 2, pp. 301-308, 1975-10, Vol.37 (2), p.301-308
Hauptverfasser:	Jaakkola, T., Donner, K. J., Teerikorpi, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	640103 > Physics Research > Astrophysics & Cosmology > Quasi- Stellar, Radio & X-Ray Sources BRIGHTNESS N56300 > Physics (Astrophysics & Cosmology) > Quasi-stellar, Radio & X-Ray Sources QUASARS > LUMINOSITY RADIO GALAXIES RADIOWAVE RADIATION
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Beschreibung
Zusammenfassung:	Observations of quasars suggest that compact quasars with flat radio spectra belong to the class of dwarf galaxies and extended quasars with steep spectra to the one of bright galaxies. This can be seen also in the associations of quasars with clusters of galaxies, compact quasars occurring in nearby clusters and extended quasars in distant clusters.
ISSN:	0004-640X 1572-946X
DOI:	10.1007/BF00640355