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Long-Term Variability of AGN

Published online by Cambridge University Press:  12 April 2016

K. Bischoff ,
W. Kollatschny  and
M. Dietrich
K. Bischoff
Affiliation:
Universitäts-Sternwarte, Geismarlandstr. 11, D-37083 Göttingen, Germany
W. Kollatschny
Affiliation:
Universitäts-Sternwarte, Geismarlandstr. 11, D-37083 Göttingen, Germany
M. Dietrich
Affiliation:
Landessternwarte, Königstuhl 17, D-69117 Heidelberg, Germany

Abstract

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We present a long-term variability study of the Seyfert 1 galaxies Mkn 110 and NGC 7603. Both objects show strong variations over a period of several years.

Type
III. Broad-Line Profiles and Variability
Information
International Astronomical Union Colloquium , Volume 159: Emission Lines in Active Galaxies: New Methods and Techniques , 1997 , pp. 171 - 172
Copyright
Copyright © Astronomical Society of the Pacific 1997

References

Carone, T.E., et al. 1996, ApJ, 471, in press.Google Scholar
Fricke, K.J., & Kollatschny, W. 1989, in Active Galactic Nuclei, ed. Osterbrock, D.E. & Miller, J.S. (Dordrecht: Kluwer), p. 425.CrossRefGoogle Scholar