Physics – Plasma Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsm42a..07r&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SM42A-07
Physics
Plasma Physics
[2716] Magnetospheric Physics / Energetic Particles: Precipitating, [3304] Atmospheric Processes / Atmospheric Electricity, [3324] Atmospheric Processes / Lightning, [7845] Space Plasma Physics / Particle Acceleration
Scientific paper
Firefly is a science investigation into the linkage between lightning and Terrestrial Gamma ray Flashes (TGFs). Firefly combines a gamma ray / electron scintillation detector, VLF radio receiver, and optical photometers to perform the first simultaneous measurements of lightning and TGFs from a single platform. Firefly will push the boundaries of TGF detection and build on the successes of past missions such as RHESSI, CGRO, AGILE, and Fermi by pursuing focused TGF science. In particular, Firefly will address the following science questions: a) What types of lightning do and do not produce TGFs? b) What is the occurrence rate of weak TGFs? c) How strong are TGFs, and to what extent were previous measurements affected by pileup and detector limitations? d) What is the relative timing of gamma ray, optical, and VLF signatures of TGFs? e) What are the characteristics of energetic electrons associated with TGFs? Firefly is scheduled for launch in August 2010, and will be delivered to the launch vehicle in spring 2010. We will present an update on the Firefly status, student training activities, tools we have developed for the community, and lessons learned.
Hill James
Klenzing J. H.
Rowland Douglas E.
Weatherwax Allan T.
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