The global plasma environment of Titan as observed by Cassini Plasma spectrometer during the first two close encounters with Titan

K. Szego; Z. Bebesi; G. Erdos; L. Foldy; F. Crary; D. J. McComas; D. T. Young; S. Bolton; A. J. Coates; A. M. Rymer; R. E. Hartle; E. C. Sittler; D. Reisenfeld; J. J. Bethelier; R. E. Johnson; H. T. Smith; T. W. Hill; J. Vilppola; J. Steinberg; N. Andre

doi:10.1029/2005GL022646

The global plasma environment of Titan as observed by Cassini Plasma spectrometer during the first two close encounters with Titan

K. Szego, Z. Bebesi, G. Erdos, L. Foldy, F. Crary, D. J. McComas, D. T. Young, S. Bolton, A. J. Coates, A. M. Rymer, R. E. Hartle, E. C. Sittler, D. Reisenfeld, J. J. Bethelier, R. E. Johnson, H. T. Smith, T. W. Hill, J. Vilppola, J. Steinberg, N. Andre

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Abstract

The Cassini spacecraft flew by Titan on October 26, 2004 and December 13, 2004. In both cases it entered the ionosphere of Titan, allowing exploration of its plasma environment. Using observations from the Cassini Plasma Spectrometer (CAPS) and the Cassini magnetometer along the inbound legs of both flybys, we examine Titan's global plasma environment. On both occasions CAPS detected plasma populations distinct from those of the Kronian magnetosphere at about 1-1.5 Saturn radii from the moon. Closer to Titan CAPS observed drifting ion ring distributions originating from Titan and, in addition, a corotating flow that was significantly decelerated around the moon due to mass loading. Near the moon, but above the ionosphere, very cold plasma was dominant. We also compare the CAPS data to those of Voyager 1.

Original language	English (US)
Article number	L20S05
Pages (from-to)	1-5
Number of pages	5
Journal	Geophysical Research Letters
Volume	32
Issue number	20
DOIs	https://doi.org/10.1029/2005GL022646
State	Published - Oct 28 2005
Externally published	Yes

All Science Journal Classification (ASJC) codes

Geophysics
General Earth and Planetary Sciences

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Szego, K., Bebesi, Z., Erdos, G., Foldy, L., Crary, F., McComas, D. J., Young, D. T., Bolton, S., Coates, A. J., Rymer, A. M., Hartle, R. E., Sittler, E. C., Reisenfeld, D., Bethelier, J. J., Johnson, R. E., Smith, H. T., Hill, T. W., Vilppola, J., Steinberg, J., & Andre, N. (2005). The global plasma environment of Titan as observed by Cassini Plasma spectrometer during the first two close encounters with Titan. Geophysical Research Letters, 32(20), 1-5. Article L20S05. https://doi.org/10.1029/2005GL022646

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title = "The global plasma environment of Titan as observed by Cassini Plasma spectrometer during the first two close encounters with Titan",

abstract = "The Cassini spacecraft flew by Titan on October 26, 2004 and December 13, 2004. In both cases it entered the ionosphere of Titan, allowing exploration of its plasma environment. Using observations from the Cassini Plasma Spectrometer (CAPS) and the Cassini magnetometer along the inbound legs of both flybys, we examine Titan's global plasma environment. On both occasions CAPS detected plasma populations distinct from those of the Kronian magnetosphere at about 1-1.5 Saturn radii from the moon. Closer to Titan CAPS observed drifting ion ring distributions originating from Titan and, in addition, a corotating flow that was significantly decelerated around the moon due to mass loading. Near the moon, but above the ionosphere, very cold plasma was dominant. We also compare the CAPS data to those of Voyager 1.",

author = "K. Szego and Z. Bebesi and G. Erdos and L. Foldy and F. Crary and McComas, {D. J.} and Young, {D. T.} and S. Bolton and Coates, {A. J.} and Rymer, {A. M.} and Hartle, {R. E.} and Sittler, {E. C.} and D. Reisenfeld and Bethelier, {J. J.} and Johnson, {R. E.} and Smith, {H. T.} and Hill, {T. W.} and J. Vilppola and J. Steinberg and N. Andre",

year = "2005",

month = oct,

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doi = "10.1029/2005GL022646",

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Szego, K, Bebesi, Z, Erdos, G, Foldy, L, Crary, F, McComas, DJ, Young, DT, Bolton, S, Coates, AJ, Rymer, AM, Hartle, RE, Sittler, EC, Reisenfeld, D, Bethelier, JJ, Johnson, RE, Smith, HT, Hill, TW, Vilppola, J, Steinberg, J & Andre, N 2005, 'The global plasma environment of Titan as observed by Cassini Plasma spectrometer during the first two close encounters with Titan', Geophysical Research Letters, vol. 32, no. 20, L20S05, pp. 1-5. https://doi.org/10.1029/2005GL022646

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T1 - The global plasma environment of Titan as observed by Cassini Plasma spectrometer during the first two close encounters with Titan

AU - Szego, K.

AU - Bebesi, Z.

AU - Erdos, G.

AU - Foldy, L.

AU - Crary, F.

AU - McComas, D. J.

AU - Young, D. T.

AU - Bolton, S.

AU - Coates, A. J.

AU - Rymer, A. M.

AU - Hartle, R. E.

AU - Sittler, E. C.

AU - Reisenfeld, D.

AU - Bethelier, J. J.

AU - Johnson, R. E.

AU - Smith, H. T.

AU - Hill, T. W.

AU - Vilppola, J.

AU - Steinberg, J.

AU - Andre, N.

PY - 2005/10/28

Y1 - 2005/10/28

N2 - The Cassini spacecraft flew by Titan on October 26, 2004 and December 13, 2004. In both cases it entered the ionosphere of Titan, allowing exploration of its plasma environment. Using observations from the Cassini Plasma Spectrometer (CAPS) and the Cassini magnetometer along the inbound legs of both flybys, we examine Titan's global plasma environment. On both occasions CAPS detected plasma populations distinct from those of the Kronian magnetosphere at about 1-1.5 Saturn radii from the moon. Closer to Titan CAPS observed drifting ion ring distributions originating from Titan and, in addition, a corotating flow that was significantly decelerated around the moon due to mass loading. Near the moon, but above the ionosphere, very cold plasma was dominant. We also compare the CAPS data to those of Voyager 1.

AB - The Cassini spacecraft flew by Titan on October 26, 2004 and December 13, 2004. In both cases it entered the ionosphere of Titan, allowing exploration of its plasma environment. Using observations from the Cassini Plasma Spectrometer (CAPS) and the Cassini magnetometer along the inbound legs of both flybys, we examine Titan's global plasma environment. On both occasions CAPS detected plasma populations distinct from those of the Kronian magnetosphere at about 1-1.5 Saturn radii from the moon. Closer to Titan CAPS observed drifting ion ring distributions originating from Titan and, in addition, a corotating flow that was significantly decelerated around the moon due to mass loading. Near the moon, but above the ionosphere, very cold plasma was dominant. We also compare the CAPS data to those of Voyager 1.

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The global plasma environment of Titan as observed by Cassini Plasma spectrometer during the first two close encounters with Titan

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