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Title: Coordinated TeV gamma-ray and optical polarization study of BL Lac object Mkn 501
Authors: Joshi, U. C
Baliyan, K. S
Ganesh, S
Deshpande, M. R
Bhattacharyya, S
Kaul, R. K
Kaul, C. L
Bhat, C. L
Keywords: Active galactic nuclei;Mkn 501;TeV γ-ray emission;Polarized optical emission;Coordinated observations
Issue Date: 2000
Publisher: Astronomical Society of India
Citation: BASI, Vol. 28, No. 2, pp. 409 - 411
Abstract: Coordinated TeV gamma-ray and optical polarization observations of the BL Lac object Mkn 501, carried out during 1997 with the TACTIC imaging Cerenkov telescope of the BARC and the 1.2 m Gurushikhar optical/IR telescope at Mt. Abu, have revealed a significant increase in the degree of polarization of the optical radiation in association with a Tev gamma-ray flare. The observations indicate a possible leptonic origin of the TeV gamma-ray signal as against a hadronic origin proposed in some models.
Appears in Collections:BASI Publications

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