JHK Imaging Photometry of Seyfert I Active Galactic Nuclei and Quasers. III. Variability of Radio-quiet and Radio-loud Active Galactic Nuclei

Enya, Keigo; Yoshii, Yuzuru; Kobayashi, Yukiyasu; Minezaki, Takeo; Sugden, D.E.; Tomita, Hiroyuki; Peterson, Bruce

JHK Imaging Photometry of Seyfert I Active Galactic Nuclei and Quasers. III. Variability of Radio-quiet and Radio-loud Active Galactic Nuclei

Date

2002

Authors

Enya, Keigo

Yoshii, Yuzuru

Kobayashi, Yukiyasu

Minezaki, Takeo

Sugden, D.E.

Tomita, Hiroyuki

Peterson, Bruce

Publisher

IOP Publishing

Abstract

Variability of 226 active galactic nuclei (AGNs) in the near-infrared J, H, and K′ bands is analyzed and discussed. An ensemble average for measured variabilities was obtained for various samples of the AGNs divided by absolute B magnitude MB, redshift