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The Astrophysical Journal, 738:167 (23pp), 2011 September 10 doi:10.1088/0004-637X/738/2/167 C 2011. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
 

Summary: The Astrophysical Journal, 738:167 (23pp), 2011 September 10 doi:10.1088/0004-637X/738/2/167
C 2011. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
THE 2011 FEBRUARY 15 X2 FLARE, RIBBONS, CORONAL FRONT, AND MASS EJECTION: INTERPRETING
THE THREE-DIMENSIONAL VIEWS FROM THE SOLAR DYNAMICS OBSERVATORY AND STEREO GUIDED
BY MAGNETOHYDRODYNAMIC FLUX-ROPE MODELING
Carolus J. Schrijver1
, Guillaume Aulanier2
, Alan M. Title1
, Etienne Pariat2
, and Cecile Delann´ee2
1 Lockheed Martin Advanced Technology Center, 3251 Hanover Street, Palo Alto, CA 94304, USA; schrijver@lmsal.com, title@lmsal.com
2 LESIA, Observatoire de Paris, CNRS, UPMC, Universit´e Paris Diderot, 5 Place Jules Janssen, 92190 Meudon, France; guillaume.aulanier@obspm.fr,
etienne.pariat@obspm.fr, ceaulanier@voila.fr
Received 2011 March 23; accepted 2011 June 11; published 2011 August 23
ABSTRACT
The 2011 February 15 X2.2 flare and associated Earth-directed halo coronal mass ejection were observed in
unprecedented detail with high resolution in spatial, temporal, and thermal dimensions by the Atmospheric Imaging
Assembly (AIA) on the Solar Dynamics Observatory, as well as by instruments on the two STEREO spacecraft,
then at near-quadrature relative to the Sun­Earth line. These observations enable us to see expanding loops from
a flux-rope-like structure over the shearing polarity-inversion line between the central -spot groups of AR 11158,

  

Source: Aulanier, Guillaume - Observatoire de Paris

 

Collections: Physics