Ion Neutral Mass Spectrometer results from the first flyby of Titan

J. Hunter Waite; Hasso Niemann; Roger V. Yelle; Wayne T. Kasprzak; Thomas E. Cravens; Janet G. Luhmann; Ralph L. McNutt; Wing Huen Ip; David Gell; Virginie De La Haye; Ingo Müller-Wordag; Brian Magee; Nathan Borggren; Steve Ledvina; Greg Fletcher; Erin Walter; Ryan Miller; Stefan Scherer; Rob Thorpe; Jing Xu; Bruce Block; Ken Arnett

doi:10.1126/science.1110652

Ion Neutral Mass Spectrometer results from the first flyby of Titan

J. Hunter Waite, Hasso Niemann, Roger V. Yelle, Wayne T. Kasprzak, Thomas E. Cravens, Janet G. Luhmann, Ralph L. McNutt, Wing Huen Ip, David Gell, Virginie De La Haye, Ingo Müller-Wordag, Brian Magee, Nathan Borggren, Steve Ledvina, Greg Fletcher, Erin Walter, Ryan Miller, Stefan Scherer, Rob Thorpe, Jing XuBruce Block, Ken Arnett

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Abstract

The Cassini Ion Neutral Mass Spectrometer (INMS) has obtained the first in situ composition measurements of the neutral densities of molecular nitrogen, methane, molecular hydrogen, argon, and a host of stable carbon-nitrite compounds in Titan's upper atmosphere. INMS in situ mass spectrometry has also provided evidence for atmospheric waves in the upper atmosphere and the first direct measurements of isotopes of nitrogen, carbon, and argon, which reveal interesting clues about the evolution of the atmosphere. The bulk composition and thermal structure of the moon's upper atmosphere do not appear to have changed considerably since the Voyager 1 flyby.

Original language	English (US)
Pages (from-to)	982-986
Number of pages	5
Journal	Science
Volume	308
Issue number	5724
DOIs	https://doi.org/10.1126/science.1110652
State	Published - May 13 2005

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Waite, J. H., Niemann, H., Yelle, R. V., Kasprzak, W. T., Cravens, T. E., Luhmann, J. G., McNutt, R. L., Ip, W. H., Gell, D., De La Haye, V., Müller-Wordag, I., Magee, B., Borggren, N., Ledvina, S., Fletcher, G., Walter, E., Miller, R., Scherer, S., Thorpe, R., ... Arnett, K. (2005). Ion Neutral Mass Spectrometer results from the first flyby of Titan. Science, 308(5724), 982-986. https://doi.org/10.1126/science.1110652

Waite, JH, Niemann, H, Yelle, RV, Kasprzak, WT, Cravens, TE, Luhmann, JG, McNutt, RL, Ip, WH, Gell, D, De La Haye, V, Müller-Wordag, I, Magee, B, Borggren, N, Ledvina, S, Fletcher, G, Walter, E, Miller, R, Scherer, S, Thorpe, R, Xu, J, Block, B & Arnett, K 2005, 'Ion Neutral Mass Spectrometer results from the first flyby of Titan', Science, vol. 308, no. 5724, pp. 982-986. https://doi.org/10.1126/science.1110652

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abstract = "The Cassini Ion Neutral Mass Spectrometer (INMS) has obtained the first in situ composition measurements of the neutral densities of molecular nitrogen, methane, molecular hydrogen, argon, and a host of stable carbon-nitrite compounds in Titan's upper atmosphere. INMS in situ mass spectrometry has also provided evidence for atmospheric waves in the upper atmosphere and the first direct measurements of isotopes of nitrogen, carbon, and argon, which reveal interesting clues about the evolution of the atmosphere. The bulk composition and thermal structure of the moon's upper atmosphere do not appear to have changed considerably since the Voyager 1 flyby.",

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AU - Waite, J. Hunter

AU - Niemann, Hasso

AU - Yelle, Roger V.

AU - Kasprzak, Wayne T.

AU - Cravens, Thomas E.

AU - Luhmann, Janet G.

AU - McNutt, Ralph L.

AU - Ip, Wing Huen

AU - Gell, David

AU - De La Haye, Virginie

AU - Müller-Wordag, Ingo

AU - Magee, Brian

AU - Borggren, Nathan

AU - Ledvina, Steve

AU - Fletcher, Greg

AU - Walter, Erin

AU - Miller, Ryan

AU - Scherer, Stefan

AU - Thorpe, Rob

AU - Xu, Jing

AU - Block, Bruce

AU - Arnett, Ken

PY - 2005/5/13

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N2 - The Cassini Ion Neutral Mass Spectrometer (INMS) has obtained the first in situ composition measurements of the neutral densities of molecular nitrogen, methane, molecular hydrogen, argon, and a host of stable carbon-nitrite compounds in Titan's upper atmosphere. INMS in situ mass spectrometry has also provided evidence for atmospheric waves in the upper atmosphere and the first direct measurements of isotopes of nitrogen, carbon, and argon, which reveal interesting clues about the evolution of the atmosphere. The bulk composition and thermal structure of the moon's upper atmosphere do not appear to have changed considerably since the Voyager 1 flyby.

AB - The Cassini Ion Neutral Mass Spectrometer (INMS) has obtained the first in situ composition measurements of the neutral densities of molecular nitrogen, methane, molecular hydrogen, argon, and a host of stable carbon-nitrite compounds in Titan's upper atmosphere. INMS in situ mass spectrometry has also provided evidence for atmospheric waves in the upper atmosphere and the first direct measurements of isotopes of nitrogen, carbon, and argon, which reveal interesting clues about the evolution of the atmosphere. The bulk composition and thermal structure of the moon's upper atmosphere do not appear to have changed considerably since the Voyager 1 flyby.

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Ion Neutral Mass Spectrometer results from the first flyby of Titan

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