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Radio spectroscopy of stellar flares: magnetic reconnection & CME shocks in stellar coronae

Villadsen, Jackie and Hallinan, Gregg and Bourke, Stephen (2016) Radio spectroscopy of stellar flares: magnetic reconnection & CME shocks in stellar coronae. In: Solar and Stellar Flares and their Effects on Planets. Proceedings IAU Symposium. Vol.11. No.320. Cambridge University Press , Cambridge, pp. 191-195. ISBN 9781107137578. http://resolver.caltech.edu/CaltechAUTHORS:20170123-101016384

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Abstract

High-cadence spectroscopy of solar and stellar coherent radio bursts is a powerful diagnostic tool to study coronal conditions during magnetic reconnection in flares and to detect coronal mass ejections (CMEs). We present results from wide-bandwidth VLA observations of nearby active M dwarfs, including some observations with simultaneous VLBA imaging. We also discuss the Starburst program, which will make wide-bandwidth radio spectroscopic observations of nearby active flare stars for 20+ hours a day for multiple years, coming online in spring 2016 at the Owens Valley Radio Observatory. This program should vastly increase the diversity of observed stellar radio bursts and our understanding of their origins, and offers the potential to detect a population of CME-associated radio bursts.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1017/S1743921316008644DOIArticle
Additional Information:© 2016 International Astronomical Union. Published online: 09 September 2016. This material is based upon work supported by the National Science Foundation under Grant No. AST-1311098. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. Student travel to present this talk was funded by the SETI Institute and the NASA Astrobiology Institute.
Funders:
Funding AgencyGrant Number
NSFAST-1311098
Subject Keywords:stars: coronae, stars: flare, stars: individual (UV Ceti), stars: mass loss, Sun: coronal mass ejections (CMEs), Sun: radio radiation, radio continuum: stars
Record Number:CaltechAUTHORS:20170123-101016384
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20170123-101016384
Official Citation:Villadsen, J., Hallinan, G. and Bourke, S. (2015) ‘Radio spectroscopy of stellar flares: magnetic reconnection & CME shocks in stellar coronae’, Proceedings of the International Astronomical Union, 11(S320), pp. 191–195. doi: 10.1017/S1743921316008644
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:73615
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:26 Jan 2017 17:18
Last Modified:21 Sep 2017 23:46

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