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Polarimetric and Photometric Investigations of Lacertids

Published online by Cambridge University Press:  04 August 2017

V.A. Hagen-Thorn  and
V.A. Yacovleva
V.A. Hagen-Thorn
Affiliation:
Department of Astronomy, Leningrad State University Bibliotechnaja P1. 2, Leningrad, Petrodvoretz, 198904 USSR
V.A. Yacovleva
Affiliation:
Department of Astronomy, Leningrad State University Bibliotechnaja P1. 2, Leningrad, Petrodvoretz, 198904 USSR

Abstract

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At the Astronomical Observatory of Leningrad State University two observational programs of investigation of lacertids - photographic photometry and photoelectric polarimetry - are in progress for many years. Some results for OJ 287 and BL Lac are of interest: (1) existence of preferable direction of polarization, (2) correlations between the brightness and polarization parameters, and (3) high degree of polarization (~50%) of individual sources responsible for variability.

Type
V. Jets, Superluminal Motions and Blazars
Information
Symposium - International Astronomical Union , Volume 121: Observational Evidences of Activity of Galaxies , 1987 , pp. 325 - 327
Copyright
Copyright © Reidel 1987 

References

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