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Global eVLBI observations of the radio loud NLS1 PMN J0948+0022

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Open access
Authors
Giroletti, M.
Paragi, Z.
Bignall, Hayley
Doi, A.
Foschini, L.
Gabanyi, K.
Reynolds, Cormac
Date
2011
Type
Conference Paper

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Giroletti, M. and Paragi, Z. and Bignall, H.E. and Doi, A. and Foschini, L. and Gabányi, K. and Reynolds, C. 2011. Global eVLBI observations of the radio loud NLS1 PMN J0948+0022, in M. Colpi and others (ed), Narrow-Line Seyfert 1 Galaxies and their place in the Universe (NLS1), Apr 4-6 2011. Milano, Italy: International School for Advanced Studies (SISSA).
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Publications of Science
Source Conference
Narrow-Line Seyfert 1 Galaxies and their place in the Universe
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Curtin Institute of Radio Astronomy
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This article is published under the Open Access publishing model and distributed under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0/ Please refer to the licence to obtain terms for any further reuse or distribution of this work.

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Abstract

We have performed three real-time e-VLBI observations of the radio loud NLS1 PMN J0948+0022 at 22 GHz, using a global array including telescopes in Europe, East Asia, and Australia, reaching a maximum baseline length of ~12500 km. The observations were part of a large multi-wavelength campaign carried out in 2009. We report on the results, including flux density variability, brightness temperature, jet structure, and polarization. Overall, these provide strong support for the presence of a relativistic jet in this source. We also present a new VLBI project aimed at improving our understanding of this jet, by studying proper motion and Faraday rotation.