Multiple wavelength optical observations of a long-lived meteor trail

Details Multiple wavelength optical observations of a long-lived meteor trail Multiple wavelength optical observations of a long-lived meteor trail

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001georl..28.2779c&link_type=abstract

Geophysical Research Letters, Volume 28, Issue 14, p. 2779-2782

Physics

2

Atmospheric Composition And Structure: Airglow And Aurora, Atmospheric Composition And Structure: Chemical Kinetic And Photochemical Properties, Planetology: Solar System Objects: Meteors

Scientific paper

A long-lived meteor trail has been observed at wavelengths of 572.5 nm, 557.7 nm, 630.0 nm, 865.5 nm and in the near infrared band from 715 to 930 nm. The trail was detected at all these wavelengths, with the possible exception of 865.5 nm, where its identification was marginal. It was seen longest (17 minutes) through the wide band NIR 715-930 nm filter. The fact that the trail was only marginally visible in the 865.5 nm (0-1) band of molecular oxygen, and was strongest in the wide-band NIR image, raises serious doubts about an earlier suggestion that the infrared light from long-lived meteor trails corresponds to emissions from molecular oxygen excited by the Chapman mechanism.

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