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Cm-Wavelength Flux Variability: Constraints on AGN Modeling

Published online by Cambridge University Press:  19 July 2016

M.F. Aller ,
H.D. Aller  and
P.A. Hughes
M.F. Aller
Affiliation:
Astronomy Department, University of Michigan
H.D. Aller
Affiliation:
Astronomy Department, University of Michigan
P.A. Hughes
Affiliation:
Astronomy Department, University of Michigan

Extract

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To study whether the radio properties of BL Lacertae type objects and QSOs differ, we initiated a program in 1979 to monitor the total flux density and linear polarization at 14.5, 8.0 and 4.8 GHz of the strongest then known BL Lac objects which met the Hewitt-Burbidge criteria (Ledden, private communications) plus 3 subsequently identified high declination BL Lacs (Biermann et al. 1981). Results based on the behavior of the 45 brightest sample members are compared here with the properties of the QSOs in the flux-limited Pearson-Readhead sample (Pearson and Readhead 1988).

Type
Poster contributions: Statistical Studies and Evolution
Information
Symposium - International Astronomical Union , Volume 159: Multi-Wavelength Continuum Emission of AGN , 1994 , pp. 497
Copyright
Copyright © Kluwer 1994 

References

Biermannn, P. et al. 1981, ApJ, 247, L53.CrossRefGoogle Scholar
Pearson, T. J. and Readhead, A. C. S. 1988, ApJ, 328, 114.CrossRefGoogle Scholar