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The nature and origin of the Galactic center radio arc: a VLA Faraday study

Published online by Cambridge University Press:  22 May 2014

Cornelia C. Lang ,
James Toomey ,
Dominic Ludovici ,
Ann Mao  and
Mark Morris
Cornelia C. Lang
Affiliation:
Department of Physics & Astronomy, University of Iowa, Iowa City, IA, United States email: [email protected]
James Toomey
Affiliation:
Department of Physics & Astronomy, University of Iowa, Iowa City, IA, United States email: [email protected]
Dominic Ludovici
Affiliation:
Department of Physics & Astronomy, University of Iowa, Iowa City, IA, United States email: [email protected]
Ann Mao
Affiliation:
Department of Astronomy, University of Wisconsin, Madison, WI, United States
Mark Morris
Affiliation:
Department of Physics & Astronomy, University of California, Los Angeles, CA, United States
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Despite their discovery almost 30 years ago, the origin of the Galactic center nonthermal filaments (NTFs) remains poorly understood. The improved capabilities of the VLA offer a fantastic opportunity to make a multi-frequency, full spectropolarimetric study of the radio arc at high angular resolution. Observations presented here are from DnC and CnB array configuration data taken at S, C and X band (coverage between 2-12 GHz; continuum only). In addition there are also Ka and Q band (continuum and spectral line coverage) observations that are part of the study but not shown in this short proceedings. These data will allow us to make the first high angular resolution Faraday study of the Galactic center radio arc.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S303: The Galactic Center: Feeding and Feedback in a Normal Galactic Nucleus , October 2013 , pp. 461 - 463
Copyright
Copyright © International Astronomical Union 2014