Modeling an enhancement of the lunar sodium tail during the Leonid meteor shower of 1998

Details Modeling an enhancement of the lunar sodium tail during the Leonid meteor shower of 1998 Modeling an enhancement of the lunar sodium tail during the Leonid meteor shower of 1998

Jun 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999georl..26.1645w&link_type=abstract

Geophysical Research Letters, Volume 26, Issue 12, p. 1645-1648

Physics

27

Planetology: Comets And Small Bodies: Atmospheres-Evolution, Planetology: Comets And Small Bodies: Physics And Chemistry Of Materials, Planetology: Comets And Small Bodies: Impact Phenomena, Planetology: Solar System Objects: Moon

Scientific paper

A region of non-terrestrial sodium emission seen in the sky on the nights of November 18-20, 1998, has been interpreted as the Moon's distant sodium tail, possibly enhanced by micrometeor impact vaporization of the lunar regolith by the Leonid meteor shower. We show that the location and morphology of the spot can be explained by standard steady-state models of the Moon's sodium atmosphere. Moreover, using a new time-dependent simulation of the lunar atmosphere, we find that the Na escape rate from the Moon increased to 2 or 3 times its normal level during the most intense period of the 1998 Leonid meteor shower on November 16th and 17th.

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