Mathematics – Logic
Scientific paper
Jun 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aipc..471..633w&link_type=abstract
The solar wind nine conference. AIP Conference Proceedings, Volume 471, pp. 633-636 (1999).
Mathematics
Logic
Solar Wind Plasma, Sources Of Solar Wind, Visible
Scientific paper
We present observations of three coronal mass ejections (CMEs) observed by the LASCO and EIT instruments aboard the Solar and Heliospheric Observatory. The three CMEs are from 1997 February 23, 1997 April 30, and 1998 March 6. The February 23 CME is accompanied by a spectacular prominence eruption and its leading edge reaches velocities of about 900 km s-1. The April 30 and March 6 CMEs have no apparent accompanying prominence eruptions and attain more modest velocities of about 300 and 600 km s-1, respectively. Despite their kinematic differences, all three CMEs have bright, roughly circular rims which can be interpreted as marking the apexes of expanding magnetic flux ropes, and all three can be tracked from their origins near the surface of the Sun out to great distances. We compare the kinematic and morphological properties of these CMEs with an MHD model of an erupting flux rope, and we find that the CMEs can be successfully modeled in this manner.
Brueckner Guenter E.
Chen Jiahua
Cook William J.
Howard Russ A.
Karovska Magarita
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