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A New Technique to Provide Realistic Input to CME Forecasting Models

Published online by Cambridge University Press:  24 July 2018

Nat Gopalswamy Open the ORCID record for Nat Gopalswamy [Opens in a new window] ,
Sachiko Akiyama ,
Seiji Yashiro  and
Hong Xie
Nat Gopalswamy
Affiliation:
Solar Physics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA email: nat.gopalswamy@nasa.gov
Sachiko Akiyama
Affiliation:
Dept. of Physics, The Catholic University of America, Washington DC 20064, USA
Seiji Yashiro
Affiliation:
Dept. of Physics, The Catholic University of America, Washington DC 20064, USA
Hong Xie
Affiliation:
Dept. of Physics, The Catholic University of America, Washington DC 20064, USA
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Abstract

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We report on a technique to construct a flux rope (FR) from eruption data at the Sun. The technique involves line-of-sight magnetic fields, post-eruption arcades in the corona, and white-light coronal mass ejections (CMEs) so that the FR geometric and magnetic properties can be fully defined in addition to the kinematic properties. We refer to this FR as FRED (Flux Rope from Eruption Data). We illustrate the FRED construction using the 2012 July 12 eruption and compare the coronal and interplanetary properties of the FR. The results indicate that the FRED input should help make realistic predictions of the components of the FR magnetic field in the heliosphere.

Keywords

coronal mass ejectionflux ropereconnection
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S335: Space Weather of the Heliosphere: Processes and Forecasts , July 2017 , pp. 258 - 262
Copyright
Copyright © International Astronomical Union 2018 

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