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Waves from the Shoemaker-Levy 9 impacts

Ingersoll, Andrew P. and Kanamori, Hiroo (1996) Waves from the Shoemaker-Levy 9 impacts. In: The Collision of Comet Shoemaker-Levy 9 and Jupiter. Space Telescope Science Institute symposium series. No.9. Cambridge University Press , New York, pp. 329-345. ISBN 9780521561921. http://resolver.caltech.edu/CaltechAUTHORS:20121212-131409375

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Abstract

Images of Jupiter taken by the Hubble Space Telescope (HST) reveal two concentric circular rings surrounding five of the impact sites from comet Shoemaker-Levy 9 (SL9). The rings are visible 1.0 to 2.5 hours after the impacts. The outer ring expands at a constant rate of 450 ms^(-1). The inner ring expands at about half that speed. The rings appear to be waves. Other features (diffuse rings and crescent) further out appear to be debris thrown out by the impact. Sound waves (p-modes), internal gravity waves (g-modes), surface gravity waves (f-modes), and rotational waves (r-modes) all are excited by the impacts. Most of these waves do not match the slow speed, relatively large amplitude, and narrow width of the observed rings. Ingersoll and Kanamori have argued that internal gravity waves trapped in a stable layer within the putative water cloud are the only waves that can match the observations. If they are correct, and if moist convection in the water cloud is producing the stable layer, then the O/H ratio on Jupiter is roughly ten times that on the Sun.


Item Type:Book Section
ORCID:
AuthorORCID
Ingersoll, Andrew P.0000-0002-2035-9198
Kanamori, Hiroo0000-0001-8219-9428
Additional Information:© 1996 Cambridge University Press. Ingersoll acknowledges support from NASA's Planetary Atmospheres Program, grant NAGW-1956, and from NASA's Space Telescope Science Institute; Kanamori acknowledges support from NSF grant EAR-92 18809.
Funders:
Funding AgencyGrant Number
NASANAGW-1956
Space Telescope Science Institute UNSPECIFIED
NSFEAR-9218809
Record Number:CaltechAUTHORS:20121212-131409375
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20121212-131409375
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:35949
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:17 Dec 2012 22:44
Last Modified:25 Oct 2017 23:01

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