Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja....10288j&link_type=abstract
EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #10288
Astronomy and Astrophysics
Astronomy
1
Scientific paper
The final mission in the NASA and USAF sponsored Leonid Multi-Instrument Campaign consisted of two instrumented aircraft that flew from Madrid, Spain, to Omaha, Nebraska, putting 38 participating researchers from seven nationalities in a position to study both November 19, 2002, Leonid meteor storms under excellent observing conditions. Two storms were anticipated to result from Earth's encounter with dust ejected by comet 55P/Tempel-Tuttle in 1767 and 1866 (peak at 04:00 and 10:40 UT). Planetary perturbations directed these dust trails in Earth's path. The mission was deployed out of Torrejon de Ardoz, near Madrid, where we were hosted by the Centro de Astrobiologia. In the night of November 19, both aircraft were above clouds en route to Omaha, with a radiant climbing from 35 to 67 degrees and the full Moon relatively low in the sky. All instruments worked as expected. Meteor storms were observed peaking at 04:06 and 10:47 UT, much as predicted. The presentations is a brief overview of experiments and first results, which include new insight into comet dust trail formation and dynamics, comet mass loss, and measurements of elemental abundances of cometary dust and of grain morphology.
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