A fireball in Jupiter's atmosphere

Details A fireball in Jupiter's atmosphere A fireball in Jupiter's atmosphere

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86.8815c&link_type=abstract

Journal of Geophysical Research, vol. 86, Sept. 30, 1981, p. 8815-8817.

Physics

7

Fireballs, Jupiter Atmosphere, Luminous Intensity, Meteoroids, Voyager 1 Spacecraft, Atmospheric Pressure, Heat Transfer Coefficients, Light Curve, Spaceborne Photography, Jupiter, Atmosphere, Fireballs, Luminosity, Meteroids, Vapor, Velocity, Mass, Absolute Magnitude, Light Curve, Flow, Flux

Scientific paper

One fireball was photographed during two encounters with Jupiter. Its total luminosity was 120,000 0 mag s (at standard range 100 km). If the luminous efficiency proposed by Cook et al. (1981) for slip flow of a meteoroid in its own vapors is employed, an estimated mass of 11 kg is obtained. A rough absolute magnitude is -12.5. If it is noted that the search was conducted for a total of 223 s during two exposures, a number density near Jupiter of 10 to the -28th/cu cm is estimated for masses of meteoroids of 3 kg and greater. This value is about a factor of six smaller than a rough upper limit reached from an extrapolation from terrestrial observations of meteors and comets.

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