2014 ARTEMIS SCIENCE NUGGETS
SUMMARIES OF ARTEMIS RESEARCH
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Shanshan Li, August 2014
Antidipolarization fronts observed by ARTEMIS
Using three years of ARTEMIS data, our results describe sharp, highly asymmetric north-then-south bipolar magnetic field variations that mirror Earthward dipolarization fronts. These do not fit the classical plasmoid model and so we call them antidipolarization fronts. Read more.
A. R. Poppe, May 2014
ARTEMIS observations of extreme diamagnetic fields in the lunar wake
While crossing through the lunar wake, the ARTEMIS probes have observed diamagnetic fields compressed to over twice the interplanetary magnetic field strength correlated with high plasma beta conditions in the solar wind. Read more.
Shanshan Li, February 2014
Azimuthal Extent and Properties of Mid-tail Plasmoids From Two-point ARTEMIS Observations at the Earth-Moon Lagrange Points
For the first time, ARTEMIS is able to provide direct two-point observations at X~ -60 RE, where plasmoids have newly originated. We estimate the typical plasmoid extent at the mid-tail region by the correlation between the two-point observations. Read more.
David Sibeck, January 2014
Size and shape of the distant magnetotail
We present the predictions of the BATS-R-US model for magnetotail and bow shock cross sections at lunar distance as a function of IMF strength and orientation. The cross section of the distant magnetotail responds almost immediately to abrupt transitions in the IMF orientation. These transitions cause changes in the location of reconnection on the dayside magnetopause as well as the locations where the resulting newly reconnected magnetic field lines enter the magnetotail. Read more.
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