A Comparison of ST5 Derived Field Aligned Currents with Auroral Images by the Polar Spacecraft and a Comparison of Magnetic Conjunctions of the ST5 Spacecraft with Other Spacecraft

Details A Comparison of ST5 Derived Field Aligned Currents with Auroral Images by the Polar Spacecraft and a Comparison of Magnetic Conjunctions of the ST5 Spacecraft with Other Spacecraft A Comparison of ST5 Derived Field Aligned Currents with Auroral Images by the Polar Spacecraft and a Comparison of Magnetic Conjunctions of the ST5 Spacecraft with Other Spacecraft

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsm11a0300g&link_type=abstract

American Geophysical Union, Fall Meeting 2006, abstract #SM11A-0300

Physics

2721 Field-Aligned Currents And Current Systems (2409), 2730 Magnetosphere: Inner, 2772 Plasma Waves And Instabilities (2471)

Scientific paper

The ST5 fleet of three spacecraft where launched in Spring of 2006. The magnetometer booms where deployed on March 26 of 2006 and the mission was terminated at the end of its primary mission on June 30th of 2006. Between deployment and mission termination the magnetometer data from each spacecraft was collected with almost 80% orbital coverage. The ST5 spacecraft are in a polar sun-synchronous orbit oriented in the dawn/dusk sector. During this period the VIS and UVI imagers are in a good position to image the dawn side of the auroral oval from the nightside Southern hemisphere for an ~1 hr period during each 18 hr orbit of Polar. Selected events will be presented comparing the field aligned currents derived from the ST5 magnetometers with the Auroral structure at their magnetic foot prints. Using NASA Satellite Situation Center magnetic conjunction reports we estimate that during the ST5 mission there are about 190 conjunctions with the FAST spacecraft, 30 to 50 conjunctions with each of the four Cluster spacecraft, and about 90 conjunctions with the Polar spacecraft. Selected events from these conjunctions will be presented comparing the currents, magnetic structures and waves observed by the each spacecraft.

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