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Multifrequency Observations of the Seyfert Galaxy 3C 120 in 1983–1986

Published online by Cambridge University Press:  04 August 2017

L. Maraschi ,
L. Chiappetti ,
S. Cristiani ,
D. Danziger ,
R. Falomo ,
M.A. Malkan ,
G. Tagliaferri ,
E.G. Tanzi ,
A. Treves  and
W. Warnsteker
L. Maraschi
Affiliation:
Dept. Phys. Univ. Milan, Italy
L. Chiappetti
Affiliation:
IFC CNR Milan, Italy
S. Cristiani
Affiliation:
ESO La Silla, Chile
D. Danziger
Affiliation:
ESO Garching, Germany
R. Falomo
Affiliation:
Asiago Obs., Italy
M.A. Malkan
Affiliation:
Dept. Astr. U.C.L.A., USA
G. Tagliaferri
Affiliation:
ESOC Darmstadt, Germany
E.G. Tanzi
Affiliation:
IFC CNR Milan, Italy
A. Treves
Affiliation:
Dept. Phys. Univ. Milan, Italy
W. Warnsteker
Affiliation:
VILSPA, Spain

Abstract

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3C 120 (z=0.033) has the optical spectrum typical of a Seyfert I Galaxy, however unlike most Seyfert Galaxies it exhibits strong radio emission with a compact component where VLBI observations indicated superluminal expansion. It could therefore be classified as a mini Radio Loud Quasar.

Type
IV. Variability
Information
Symposium - International Astronomical Union , Volume 121: Observational Evidences of Activity of Galaxies , 1987 , pp. 215 - 218
Copyright
Copyright © Reidel 1987 

References

Halpern, J.P., 1985, Astrophys. J. 290, 130 CrossRefGoogle Scholar
Malkan, M.A. and Sargent, W.L.W., 1982, Astrophys. J. 254, 22 Google Scholar
Oke, J.R. and Zimmermann, B., 1979, Astrophys. J. Lett. 231, L13 Google Scholar
Tanzi, E.G. et al., 1984, ESA SP-218 p.111 Google Scholar
Taylor, et al., 1981, Space Sci. Re v. 30, 479 Google Scholar