caa a22 4500 445347449 CHVBK 20180317142833.0 cr unu---uuuuu 170323e20110701xx s 000 0 eng 10.1007/s11207-011-9791-9 doi (NATIONALLICENCE)springer-10.1007/s11207-011-9791-9 Quantitative Analysis of CME Deflections in the Corona [Elektronische Daten] [Bin Gui, Chenglong Shen, Yuming Wang, Pinzhong Ye, Jiajia Liu, Shui Wang, Xuepu Zhao] In this paper, ten CME events viewed by the STEREO twin spacecraft are analyzed to study the deflections of CMEs during their propagation in the corona. Based on the three-dimensional information of the CMEs derived by the graduated cylindrical shell (GCS) model (Thernisien, Howard, and Vourlidas in Astrophys. J. 652, 1305, 2006), it is found that the propagation directions of eight CMEs had changed. By applying the theoretical method proposed by Shen etal. (Solar Phys. 269, 389, 2011) to all the CMEs, we found that the deflections are consistent, in strength and direction, with the gradient of the magnetic energy density. There is a positive correlation between the deflection rate and the strength of the magnetic energy density gradient and a weak anti-correlation between the deflection rate and the CME speed. Our results suggest that the deflections of CMEs are mainly controlled by the background magnetic field and can be quantitatively described by the magnetic energy density gradient (MEDG) model. Springer Science+Business Media B.V., 2011 Coronal mass ejections (CME) nationallicence Deflections nationallicence Magnetic energy density nationallicence Gui Bin CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut Shen Chenglong CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut Wang Yuming CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut Ye Pinzhong CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut Liu Jiajia CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut Wang Shui CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut Zhao Xuepu W.W. Hansen Experimental Physics Laboratory, Stanford University, 94305, Stanford, CA, USA aut Solar Physics Springer Netherlands 271/1-2(2011-07-01), 111-139 0038-0938 271:1-2<111 2011 271 11207 https://doi.org/10.1007/s11207-011-9791-9 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11207-011-9791-9 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Gui Bin CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut NATIONALLICENCE 700 1- Shen Chenglong CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut NATIONALLICENCE 700 1- Wang Yuming CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut NATIONALLICENCE 700 1- Ye Pinzhong CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut NATIONALLICENCE 700 1- Liu Jiajia CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut NATIONALLICENCE 700 1- Wang Shui CAS Key Laboratory of Geospace Environment, Department of Geophysics & Planetary Sciences, University of Science & Technology of China, 230026, Hefei, Anhui, China aut NATIONALLICENCE 700 1- Zhao Xuepu W.W. Hansen Experimental Physics Laboratory, Stanford University, 94305, Stanford, CA, USA aut NATIONALLICENCE 773 0- Solar Physics Springer Netherlands 271/1-2(2011-07-01), 111-139 0038-0938 271:1-2<111 2011 271 11207 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer