Time-domain behavior of blazar OJ 287 and the binary supermassive black hole conjecture

doi:10.22323/1.312.0041

Time-domain behavior of blazar OJ 287 and the binary supermassive black hole conjecture

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Time-domain behavior of blazar OJ 287 and the binary supermassive black hole conjecture

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title:	Time-domain behavior of blazar OJ 287 and the binary supermassive black hole conjecture
author:	Ciprini Stefano, Valtonen Mauri J., Zoła Stanisław , Goyal Arti, Pihajoki Pauli
journal title:	POS Proceedings of Science
title of volume:	7th International Fermi Symposium (IFS2017)
volume:	312
date of publication :	2017
article ID:	041
eISSN:	1824-8039
DOI:	10.22323/1.312.0041
language:	English
journal language:	English
abstract in English:	The proper understanding of blazar variability at the various electromagnetic spectral bands is one goal of multifrequency astrophysics. In this frame a peculiar and controversial phenomenology is the periodicity, postulated for long-term radio or optical flux light curves of about a dozen of blazars. The well-known BL Lac object OJ 287 (PKS 0851+202, S3 0851+20, PG 0851+202, z = 0.306) is not only a high-variable, peculiar, extragalactic source with hints for approximatively cyclical optical outbursts, but it also represents a case of substantial intensive and extensive (longterm) multifrequency observations. This rich database allow us a deeper analysis based on a wide range of variability timescales with some recent results that are highlighted here.
number of pulisher's sheets:	0,5
conference:	Proceedings of the 7th International Fermi Symposium; 2017-10-15; 2017-10-20; Garmisch-Partenkirchen; Niemcy; ; ; ADS;
affiliation:	Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut – Obserwatorium Astronomiczne
type:	journal article
subtype:	conference proceedings

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