Document Detail


Parent volatiles in comet 9P/Tempel 1: before and after impact.
MedLine Citation:
PMID:  16166477     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We quantified eight parent volatiles (H2O, C2H6, HCN, CO, CH3OH, H2CO, C2H2, and CH4) in the Jupiter-family comet Tempel 1 using high-dispersion infrared spectroscopy in the wavelength range 2.8 to 5.0 micrometers. The abundance ratio for ethane was significantly higher after impact, whereas those for methanol and hydrogen cyanide were unchanged. The abundance ratios in the ejecta are similar to those for most Oort cloud comets, but methanol and acetylene are lower in Tempel 1 by a factor of about 2. These results suggest that the volatile ices in Tempel 1 and in most Oort cloud comets originated in a common region of the protoplanetary disk.
Authors:
Michael J Mumma; Michael A DiSanti; Karen Magee-Sauer; Boncho P Bonev; Geronimo L Villanueva; Hideyo Kawakita; Neil Dello Russo; Erika L Gibb; Geoffrey A Blake; James E Lyke; Randall D Campbell; Joel Aycock; Al Conrad; Grant M Hill
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.     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:  270-4     Citation Subset:  IM    
Affiliation:
Solar System Exploration Division, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA. michael.j.mumma@nasa.gov
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MeSH Terms
Descriptor/Qualifier:
Jupiter
Meteoroids*
Organic Chemicals / analysis
Spectrum Analysis
Volatilization
Chemical
Reg. No./Substance:
0/Organic Chemicals

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


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