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Compositional maps of Saturn's moon Phoebe from imaging spectroscopy

Clark, R.N. and Brown, R.H. and Jaumann, R. and Cruikshank, D.P. and Nelson, R.M. and Buratti, B.J. and McCord, T.B. and Lunine, J. and Baines, K.H. and Bellucci, G. and Bibring, J.-P. and Capaccioni, F. and Cerroni, P. and Coradini, A. and Formisano, V. and Langevin, Y. and Matson, D.L. and Mennella, V. and Nicholson. P.D., and Sicardy, B. and Sotin, C. and Hoefen, T.M. and Curchin, J.M. and Hansen, G. and Hibbits, K. and Matz, K.-D. (2005) Compositional maps of Saturn's moon Phoebe from imaging spectroscopy. Nature, 435, pp. 66-69. DOI: 10.1038/nature03558

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Abstract

The origin of Phoebe, which is the outermost large satellite of Saturn, is of particular interest because its inclined, retrograde orbit suggests that it was gravitationally captured by Saturn, having accreted outside the region of the solar nebula in which Saturn formed. By contrast, Saturn's regular satellites (with prograde, low-inclination, circular orbits) probably accreted within the sub-nebula in which Saturn itself formed. Here we report imaging spectroscopy of Phoebe resulting from the Cassini-Huygens spacecraft encounter on 11 June 2004. We mapped ferrous-iron-bearing minerals, bound water, trapped CO<sub>2</sub>, probable phyllosilicates, organics, nitriles and cyanide compounds. Detection of these compounds on Phoebe makes it one of the most compositionally diverse objects yet observed in our Solar System. It is likely that Phoebe's surface contains primitive materials from the outer Solar System, indicating a surface of cometary origin.

Item URL in elib:https://elib.dlr.de/11169/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=2005,
Title:Compositional maps of Saturn's moon Phoebe from imaging spectroscopy
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Clark, R.N.US Geological Survey, Denver, CO, USAUNSPECIFIED
Brown, R.H.Lunar and Planetary Laboratory and Stewart Observatory, University of Arizona, Tucson, AZ, USAUNSPECIFIED
Jaumann, R.UNSPECIFIEDUNSPECIFIED
Cruikshank, D.P.NASA Ames Research Center, Moffet Field, CA, USAUNSPECIFIED
Nelson, R.M.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USAUNSPECIFIED
Buratti, B.J.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USAUNSPECIFIED
McCord, T.B.University of Hawaii at Manoa, HIGP/SOEST, Honolulu, HI, USAUNSPECIFIED
Lunine, J.Lunar and Planetary Laboratory and Stewart Observatory, University of Arizona, Tucson, AZ, USAUNSPECIFIED
Baines, K.H.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USAUNSPECIFIED
Bellucci, G.Istituto di Fisica dello Spazio Interplanetario, CNR, Rome, ItalyUNSPECIFIED
Bibring, J.-P.Institut d'Astrophhysique Spatiale, Université de Paris-Sud, Orsay Cedex, FranceUNSPECIFIED
Capaccioni, F.Istituto di Fisica dello Spazio Interplanetario, CNR, Rome, ItalyUNSPECIFIED
Cerroni, P.Istituto di Fisica dello Spazio Interplanetario, CNR, Rome, ItalyUNSPECIFIED
Coradini, A.Istituto di Fisica dello Spazio Interplanetario, CNR, Rome, ItalyUNSPECIFIED
Formisano, V.Istituto di Fisica dello Spazio Interplanetario, CNR, Rome, ItalyUNSPECIFIED
Langevin, Y.Institut d'Astrophhysique Spatiale, Université de Paris-Sud, Orsay Cedex, FranceUNSPECIFIED
Matson, D.L.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USAUNSPECIFIED
Mennella, V.Istituto di Fisica dello Spazio Interplanetario, CNR, Rome, ItalyUNSPECIFIED
Nicholson. P.D., Cornell University, Astronomy Department, Ithaca, NY, USAUNSPECIFIED
Sicardy, B.Observatoire de Paris, Meudon, FranceUNSPECIFIED
Sotin, C.Laboratoire de Planétologie et Géodynamique, Université de Nantes, Nantes, FranceUNSPECIFIED
Hoefen, T.M.US Geological Survey, Denver, CO, USAUNSPECIFIED
Curchin, J.M.US Geological Survey, Denver, CO, USAUNSPECIFIED
Hansen, G.Department of Earth and Space Sciences, University of Seattle, Washington, USAUNSPECIFIED
Hibbits, K.Planetary Science Institute NW, Corporate Center Pasadena, Pasadena, CA, USAUNSPECIFIED
Matz, K.-D.UNSPECIFIEDUNSPECIFIED
Date:2005
Journal or Publication Title:Nature
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Volume:435
DOI :10.1038/nature03558
Page Range:pp. 66-69
Status:Published
Keywords:Saturnian satellites, Phoebe, imaging spectroscopy, Cassini
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben CASSINI (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Deposited By: Pieth, Susanne
Deposited On:08 Dec 2005
Last Modified:14 Jan 2010 16:57

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