Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasj...45l..73h&link_type=abstract
PASJ: Publications of the Astronomical Society of Japan, vol. 45, no. 6, p. L73-L76
Astronomy and Astrophysics
Astronomy
4
Brightness, Cometary Collisions, Comets, Galilean Satellites, Impact Prediction, Jupiter (Planet), Meteorites, Shoemaker-Levy 9 Comet, Astronomical Photometry, Planetary Atmospheres
Scientific paper
We calculated the brightness variations of the impact flash of Periodic comet Shoemaker-Levy 9 (1993e) with Jupiter expected at the end of 1994 July, using a terrestrial bolide model. The calculations showed that the original cometary mass is lost in Jupiter's atmosphere and that the maximum brightness is -10 magnitude for a 3 x 1013 kg nucleus, if we see the crash directly from the Earth. We also estimated the reflected light from the Galilean satellite Io, since the predicted crash will take place on the far side of Jupiter, and showed that it is likely to be observable, if the satellite has a favorable position and the mass of the nucleus is greater than 1011 kg. High-speed photometric observations of the satellite at the time of the impact will be able to explore the large cometary impact phenomena in the planetary atmosphere.
Hasegawa Hitoshi
Takata Masayuki
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