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Laboratory simulations of astrophysical jets

Published online by Cambridge University Press:  08 June 2011

Sergey V. Lebedev ,
Francisco Suzuki-Vidal ,
Andrea Ciardi ,
Matteo Bocchi ,
Simon N. Bland ,
Guy Burdiak ,
Jerry P. Chittenden ,
Phil de Grouchy ,
Gareth N. Hall  and
Adam Harvey-Thompson
...Show all authors
Sergey V. Lebedev
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: [email protected]
Francisco Suzuki-Vidal
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: [email protected]
Andrea Ciardi
Affiliation:
LERMA, Université Pierre et Marie Curie, Observatoire de Paris, Meudon, France École Normale Supérieure, Paris, France. UMR 8112 CNRS
Matteo Bocchi
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: [email protected]
Simon N. Bland
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: [email protected]
Guy Burdiak
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: [email protected]
Jerry P. Chittenden
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: [email protected]
Phil de Grouchy
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: [email protected]
Gareth N. Hall
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: [email protected]
Adam Harvey-Thompson
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: [email protected]
Alberto Marocchino
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: [email protected]
George Swalding
Affiliation:
The Blackett Laboratory, Imperial College London, SW7 2BW London, UK email: [email protected]
Adam Frank
Affiliation:
University of Rochester, Department of Physics and Astronomy, Rochester, NY, U.S.A.
Eric G. Blackman
Affiliation:
University of Rochester, Department of Physics and Astronomy, Rochester, NY, U.S.A.
Max Camenzind
Affiliation:
University of Heidelberg, Centre for Astronomy Heidelberg (ZAH), Landessternwarte, Koenigstuhl D-69117, Heidelberg, Germany
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Abstract

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Collimated outflows (jets) are ubiquitous in the universe, appearing around sources as diverse as protostars and extragalactic supermassive black holes. Jets are thought to be magnetically collimated, and launched from a magnetized accretion disk surrounding a compact gravitating object. We have developed the first laboratory experiment to address time-dependent, episodic phenomena relevant to the poorly understood jet acceleration and collimation region (Ciardi et al., 2009). The experiments were performed on the MAGPIE pulsed power facility (1.5 MA, 250 ns) at Imperial College. The experimental results show the periodic ejections of magnetic bubbles naturally evolving into a heterogeneous jet propagating inside a channel made of self-collimated magnetic cavities. The results provide a unique view of the possible transition from a relatively steady-state jet launching to the observed highly structured outflows.

Keywords

ISM: jets and outflowshydrodynamicsplasmasmethods: laboratory
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S274: Advances in Plasma Astrophysics , September 2010 , pp. 26 - 35
Copyright
Copyright © International Astronomical Union 2011

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