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Multicolor CCD Photometry of a Homogeneous Sample of Seyfert 1 Galaxies

Published online by Cambridge University Press:  07 August 2017

C. Bonoli ,
F. Bonoli ,
L. Danese ,
F. Delpino ,
G. De Zotti ,
G. Granato  and
V. Zitelli
C. Bonoli
Affiliation:
Osservatorio Astronomico, vicolo Osservatorio 5, 35122 - Padova, ITALY
F. Bonoli
Affiliation:
Dipartimento di Astronomia, via Zamboni 33, 40126 - Bologna, ITALY
L. Danese
Affiliation:
Dipartimento di Astronomia, vicolo Osservatorio 5, 35122 - Padova, ITALY
F. Delpino
Affiliation:
Osservatorio Astronomico, via Zamboni 33, 40126 - Bologna, ITALY
G. De Zotti
Affiliation:
Osservatorio Astronomico, vicolo Osservatorio 5, 35122 - Padova, ITALY
G. Granato
Affiliation:
Dipartimento di Astronomia, vicolo Osservatorio 5, 35122 - Padova, ITALY
V. Zitelli
Affiliation:
Dipartimento di Astronomia, via Zamboni 33, 40126 - Bologna, ITALY

Abstract

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We have observed a homogeneous sample of Seyfert 1 and 1.5 galaxies with the aim to determine the luminosity function of Seyfert nuclei. Observations were made with the CCD cameras of Asiago and Loiano Observatories in B, V and R bands in order to isolate the contribution of different stellar populations. A photometric decomposition into three components (disc, bulge and nucleus) was fitted to the observed luminosity profiles to separate the nuclear and the host galaxy contributions and to understand whether underlying galaxies actually behave as “normal” galaxies.

Type
Part 1: Surveys, Luminosity Functions, and Evolution
Information
Symposium - International Astronomical Union , Volume 134: Active Galactic Nuclei , 1989 , pp. 49 - 50
Copyright
Copyright © Kluwer 1989 

References

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