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VLBI, MERLIN and VLA observations of the blazar 1156 + 295: a bending relativistic jet

McHardy, I. M., Lehto, H. J., Abraham, R. G., Marscher, A. P., Gear, Walter Kieran and Muxlow, T. 1990. VLBI, MERLIN and VLA observations of the blazar 1156 + 295: a bending relativistic jet. Monthly Notices of the Royal Astronomical Society 246 (2) , pp. 305-314.

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Abstract

We present VLBI maps at 18, 6, 2.8 and 1.35 cm of the blazar 1156+295 which show a jet emerging from the core along position angle (PA)∼200 and bending to larger PA further out. Maps at 6 cm from 1987 May and 1988 November show different structure, indicating the probable movement from the core of a component with a very high apparent transverse velocity. The 2.8- and 1.35-cm maps are consistent with this hypothesis. We also present MERLIN and VLA total intensity and polarization maps at 18, 6 and 2 cm which show a 2-arcsec jet emerging from the core in PA - 190. We show how a bending relativistic jet can also explain the variability seen in this source.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: Wiley
ISSN: 0035-8711
Related URLs:
Last Modified: 04 Jun 2017 07:50
URI: http://orca.cf.ac.uk/id/eprint/68513

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