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

Robert H. Brown, K. H. Baines, G. Bellucci, B. J. Buratti, F. Capaccioni, P. Cerroni, R. N. Clark, A. Coradini, D. P. Cruikshank, P. Drossart, V. Formisano, R. Jaumann, Y. Langevin, D. L. Matson, T. B. McCord, V. Mennella, R. M. Nelson, P. D. Nicholson, B. Sicardy, C. SotinN. Baugh, Caitlin Griffith, G. B. Hansen, C. A. Hibbitts, T. W. Momary, M. R. Showalter

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

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.

Original languageEnglish (US)
Pages (from-to)707-716
Number of pages10
JournalAstronomy and Astrophysics
Volume446
Issue number2
DOIs
StatePublished - Feb 2006

Fingerprint

Titan
Saturn
insertion
spectrometer
Phoebe
spectrometers
Saturn rings
orbitals
rings
Iapetus
Titan atmosphere
absorption spectra
iron
airglow
atmosphere
organic materials
polar region
albedo
surface water
craters

Keywords

  • Infrared: solar system
  • Planets and satellites: general

ASJC Scopus subject areas

  • Space and Planetary Science

Cite this

Observations in the Saturn system during approach and orbital insertion, with Cassini's visual and infrared mapping spectrometer (VIMS). / Brown, Robert H.; Baines, K. H.; Bellucci, G.; Buratti, B. J.; Capaccioni, F.; Cerroni, P.; Clark, R. N.; Coradini, A.; Cruikshank, D. P.; Drossart, P.; Formisano, V.; Jaumann, R.; Langevin, Y.; Matson, D. L.; McCord, T. B.; Mennella, V.; Nelson, R. M.; Nicholson, P. D.; Sicardy, B.; Sotin, C.; Baugh, N.; Griffith, Caitlin; Hansen, G. B.; Hibbitts, C. A.; Momary, T. W.; Showalter, M. R.

In: Astronomy and Astrophysics, Vol. 446, No. 2, 02.2006, p. 707-716.

Research output: Contribution to journalArticle

Brown, RH, Baines, KH, Bellucci, G, Buratti, BJ, Capaccioni, F, Cerroni, P, Clark, RN, Coradini, A, Cruikshank, DP, Drossart, P, Formisano, V, Jaumann, R, Langevin, Y, Matson, DL, McCord, TB, Mennella, V, Nelson, RM, Nicholson, PD, Sicardy, B, Sotin, C, Baugh, N, Griffith, C, Hansen, GB, Hibbitts, CA, Momary, TW & Showalter, MR 2006, 'Observations in the Saturn system during approach and orbital insertion, with Cassini's visual and infrared mapping spectrometer (VIMS)', Astronomy and Astrophysics, vol. 446, no. 2, pp. 707-716. https://doi.org/10.1051/0004-6361:20053054
Brown, Robert H. ; Baines, K. H. ; Bellucci, G. ; Buratti, B. J. ; Capaccioni, F. ; Cerroni, P. ; Clark, R. N. ; Coradini, A. ; Cruikshank, D. P. ; Drossart, P. ; Formisano, V. ; Jaumann, R. ; Langevin, Y. ; Matson, D. L. ; McCord, T. B. ; Mennella, V. ; Nelson, R. M. ; Nicholson, P. D. ; Sicardy, B. ; Sotin, C. ; Baugh, N. ; Griffith, Caitlin ; Hansen, G. B. ; Hibbitts, C. A. ; Momary, T. W. ; Showalter, M. R. / Observations in the Saturn system during approach and orbital insertion, with Cassini's visual and infrared mapping spectrometer (VIMS). In: Astronomy and Astrophysics. 2006 ; Vol. 446, No. 2. pp. 707-716.
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AU - Buratti, B. J.

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AU - Cerroni, P.

AU - Clark, R. N.

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AU - Formisano, V.

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AU - Nelson, R. M.

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