Physics
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agusmsh41b..03c&link_type=abstract
American Geophysical Union, Spring Meeting 2007, abstract #SH41B-03
Physics
2111 Ejecta, Driver Gases, And Magnetic Clouds, 2134 Interplanetary Magnetic Fields
Scientific paper
A new class of flux ropes have been discovered with much smaller time (on the order of 1 hr) and length scales compared to day-long magnetic clouds. We developed an automated technique that identifies small-scale flux ropes through recognizing strong core fields coincident with bipolar signatures. Using our automatic technique we have analyzed WIND spacecraft magnetic field and plasma data from 1995-2005. We identified 213 flux ropes with a time-scale of 40 minutes up to 12 hours. The distribution of flux ropes per year peaks in1996 near solar minimum. The majority of flux ropes had a time-scale of 1 hour in length. Their solar wind context (i.e. relationship to the heliospheric current sheet, CIR's) and plasma properties (i.e. number density, proton temperature, etc.) are presented.
Cartwright M. L.
Moldwin Mark B.
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