Document Detail

Subaru telescope observations of Deep Impact.
MedLine Citation:
PMID:  16166476     Owner:  NLM     Status:  MEDLINE    
The impact cratering process on a comet is controversial but holds the key for interpreting observations of the Deep Impact collision with comet 9P/Tempel 1. Mid-infrared data from the Cooled Mid-Infrared Camera and Spectrometer (COMICS) of the Subaru Telescope indicate that the large-scale dust plume ejected by the impact contained a large mass (approximately 10(6) kilograms) of dust and formed two wings approximately +/-45 degrees from the symmetric center, both consistent with gravity as the primary control on the impact and its immediate aftermath. The dust distribution in the inner part of the plume, however, is inconsistent with a pure gravity control and implies that evaporation and expansion of volatiles accelerated dust.
S Sugita; T Ootsubo; T Kadono; M Honda; S Sako; T Miyata; I Sakon; T Yamashita; H Kawakita; H Fujiwara; T Fujiyoshi; N Takato; T Fuse; J Watanabe; R Furusho; S Hasegawa; T Kasuga; T Sekiguchi; D Kinoshita; K J Meech; D H Wooden; W H Ip; M F A'Hearn
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2005-09-15
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  310     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2005 Oct 
Date Detail:
Created Date:  2005-10-14     Completed Date:  2005-11-04     Revised Date:  2007-03-19    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  274-8     Citation Subset:  IM    
Department of Complexity Science and Engineering, University of Tokyo, Kashiwa, Chiba, Japan.
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MeSH Terms
Cosmic Dust
Spectrophotometry, Infrared
Reg. No./Substance:
0/Cosmic Dust

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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