Automated Identification of Field-Aligned Electron Bursts from GEODESIC Sounding Rocket Data

Details Automated Identification of Field-Aligned Electron Bursts from GEODESIC Sounding Rocket Data Automated Identification of Field-Aligned Electron Bursts from GEODESIC Sounding Rocket Data

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsa33b1637l&link_type=abstract

American Geophysical Union, Fall Meeting 2008, abstract #SA33B-1637

Computer Science

Sound

2407 Auroral Ionosphere (2704), 2431 Ionosphere/Magnetosphere Interactions (2736), 2451 Particle Acceleration, 2455 Particle Precipitation, 2475 Polar Cap Ionosphere

Scientific paper

An effective peak finding algorithm for automated identification and display of field-aligned suprathermal electron bursts peak points has been created. The logic of the algorithm and how it streamlines the process for analyzing the coincidence of these bursts with Alfvén wave activity is described. The algorithm was used to investigate the occurrence of suprathermal electron bursts and their timing with respect to auroral breakups within the electron flux measurements made during the GEODESIC flight. The bursts are observed in the data near the edges of auroral arcs and demonstrated energy-time dispersion, with higher energy electrons appearing earlier in time. Analysis of these signatures allows inference of the source location(s) and characteristics. The algorithm has been developed and tested on measurements made by the GEODESIC sounding rocket with a goal of applying it to larger satellite datasets, such as from Freja and FAST.

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