Observations in the Saturn system during approach and orbital insertion, with Cassini's visual and infrared mapping spectrometer (VIMS)

被引：0

作者：

Brown, R.H. ^{[1
]}

Baines, K.H. ^{[2
]}

Bellucci, G. ^{[3
]}

Buratti, B.J. ^{[2
]}

Capaccioni, F. ^{[4
]}

Cerroni, P. ^{[4
]}

Clark, R.N. ^{[5
]}

Coradini, A. ^{[4
]}

Cruikshank, D.P. ^{[6
]}

Drossart, P. ^{[7
]}

Formisano, V. ^{[3
]}

Jaumann, R. ^{[8
]}

Langevin, Y. ^{[9
]}

Matson, D.L. ^{[4
]}

McCord, T.B. ^{[10
]}

Mennella, V. ^{[11
]}

Nelson, R.M. ^{[4
]}

Nicholson, P.D. ^{[12
]}

Sicardy, B. ^{[7
]}

Sotin, C. ^{[13
]}

Baugh, N. ^{[1
]}

Griffith, C.A. ^{[1
]}

Hansen, G.B. ^{[10
]}

Hibbitts, C.A. ^{[10
]}

Momary, T.W. ^{[2
]}

Showalter, M.R. ^{[6
]}

机构：

[1] Department of Planetary Sciences, Lunar and Planetary Laboratory, University of Arizona, 1629 E. University Boulevard, Tucson, AZ 85721, United States

[2] Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Boulevard, Pasadena, CA 91109, United States

[3] Consiglio Nazionale delle Ricerche, Isituto di Fisica dello Spazio Interplanetario, Via Fosso del Cavaliere, Tor Vergata, 00133 Roma, Italy

[4] Consiglio Nazionale delle Ricerche, Isituto di Astrofisica Spaziale, via Fosso del Cavaliere, Tor Vergata, 00133 Roma, Italy

[5] US Geological Survey, Denver Federal Center, Mail Stop 964, Denver, CO 80225, United States

[6] Mail Stop 245-6, NASA Ames Research Center, Moffett Field, CA 94035, United States

[7] Observatoire de Paris, Meudon, Department de Recherche Spatial, 5 Place Jules Janssen, 92195 Meudon Cedex, France

[8] Institute for Planetary Exploration, Deutsches Zentrum for Luft und Raumfahrt, Rudower Chausee 5, 12489 Berlin, Germany

[9] Institute d'Astrophysique Spatiale, Universitéde Paris, Bâtiment 121, 91405 Orsay Cedex, France

[10] Department of Earth and Space Sciences, Johnson Annex A, Box 351310, University of Washington, Seattle, WA 98195, United States

[11] Istituto Nazionale di Astrofisica, Observatorio Astronomico di Capodimonte, via Moiariello 16, 80131 Napoli, Italy

[12] Department of Astronomy, Cornell University, Ithaca, NY 14853, United States

[13] Laboratoire de Planetologie et Geodynamique, UMR - CNRS 6112, Faculty des Sciences, 2 rue de la Houssenière, 44072 Nantes Cedex 03, France

来源：

Astronomy and Astrophysics | 1600年 / 446卷 / 02期

关键词：

The Visual and Infrared Mapping Spectrometer observed Phoebe; Iapetus; Titan and Saturn's rings during Cassini's approach and orbital insertion. Phoebe's surface contains water ice; CO2; and ferrous iron. lapetus contains CO2 and organic materials. Titan's atmosphere shows methane fluorescence; and night-side atmospheric emission that may be CO2 and CH3D. As determined from cloud motions; the winds at altitude 25-30 km in the south polar region of Titan appear to be moving in a prograde direction at velocity ∼1 m s-1. Circular albedo features on Titan's surface; seen at 2.02 μm; may be palimpsests remaining from the rheological adjustment of ancient impact craters. As such; their long-term persistence is of special interest in view of the expected precipitation of liquids and solids from the atmosphere. Saturn's rings have changed little in their radial structure since the Voyager flybys in the early 1980s. Spectral absorption bands tentatively attributed to Fe2+ suggest that iron-bearing silicates are a source of contamination of the C ring and the Cassini Division. © ESO 2006;

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学科分类号：

摘要：

Journal article (JA)

引用

页码：707 / 716

共 48 条

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