Connection Between Optical and VHE Gamma-ray Emission in Blazar Jets

MAGIC has been performing optically triggered Target of Opportunity observations of flaring blazars since the beginning of its scientific operations. The alerts of flaring blazars originate from Tuorla Blazar Monitoring Programme, which started the optical monitoring of candidtate TeV blazars in 200...

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Published inJournal of physics. Conference series Vol. 355; no. 1; pp. 12013 - 6
Main Authors Reinthal, Riho, Lindfors, Elina J, Mazin, Daniel, Nilsson, Kari, Takalo, Leo O, Sillanpää, Aimo, Berdyugin, Andrei
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 26.03.2012
Subjects
Blazars
Emission
Emittance
Gamma emission
Gamma rays
Jets
Light curve
Monitoring
Physics
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Summary:MAGIC has been performing optically triggered Target of Opportunity observations of flaring blazars since the beginning of its scientific operations. The alerts of flaring blazars originate from Tuorla Blazar Monitoring Programme, which started the optical monitoring of candidtate TeV blazars in 2002 and has now collected up to eight years of data on more than 60 blazars. These ToO observations have resulted in the discovery of five new VHE γ-ray emitting blazars (S5 0716+714, 1ES 1011+496, Mrk 180, ON 325 and B3 2247+381). In addition part of the discovery of BL Lac and the discovery of 3C 279 was made during a high optical state. In this contribution we present a detailed analysis of the optical light curves which are then compared to MAGIC observations of the same sources. We aim to answer the question: "Is there a connection between optical and VHE γ-ray high states in blazars or have we just been lucky?"
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ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/355/1/012013