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Dipole tilt angle effect on magnetic reconnection locations on the magnetopause
Author(s) -
Zhu C. B.,
Zhang H.,
Ge Y. S.,
Pu Z. Y.,
Liu W. L.,
Wan W. X.,
Liu L. B.,
Chen Y. D.,
Le H. J.,
Wang Y. F.
Publication year - 2015
Publication title -
journal of geophysical research: space physics
Language(s) - English
Resource type - Journals
eISSN - 2169-9402
pISSN - 2169-9380
DOI - 10.1002/2015ja020989
Subject(s) - magnetopause , tilt (camera) , physics , magnetic reconnection , dipole , field line , computational physics , pitch angle , geophysics , plasma , solar wind , geometry , mathematics , quantum mechanics
Plasma energy dispersion properties inside reconnection jet flows observed inside the low‐latitude boundary layer are used to determine the distances of observing satellites to reconnection sites. The locations of the reconnection sites are then retrieved by tracing the modeled field lines by those distances. The controlling effects of the dipole tilt angle to the location of X lines or reconnection sites are investigated. Our results show that the Earth's dipole tilt angles strongly modify the location of X lines predicted by Cooling et al's model, which is thought to be the result of magnetopause reshaping due to finite dipole tilt angles.