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Extreme densities in Titan's ionosphere during the T85 magnetosheath encounter

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Extreme densities in Titan's ionosphere during the T85 magnetosheath encounter. / T. Edberg, N. J.; Andrews, D. J.; Shebanits, O.; Ågren, K.; Wahlund, J.-e.; Opgenoorth, H. J.; Roussos, E.; Garnier, P.; Cravens, T. E.; Badman, S. V.; Modolo, R.; Bertucci, C.; Dougherty, M. K.

In: Geophysical Research Letters, Vol. 40, No. 12, 28.06.2013, p. 2879-2883.

Research output: Contribution to journalJournal article

Harvard

T. Edberg, NJ, Andrews, DJ, Shebanits, O, Ågren, K, Wahlund, J, Opgenoorth, HJ, Roussos, E, Garnier, P, Cravens, TE, Badman, SV, Modolo, R, Bertucci, C & Dougherty, MK 2013, 'Extreme densities in Titan's ionosphere during the T85 magnetosheath encounter', Geophysical Research Letters, vol. 40, no. 12, pp. 2879-2883. https://doi.org/10.1002/grl.50579

APA

T. Edberg, N. J., Andrews, D. J., Shebanits, O., Ågren, K., Wahlund, J., Opgenoorth, H. J., Roussos, E., Garnier, P., Cravens, T. E., Badman, S. V., Modolo, R., Bertucci, C., & Dougherty, M. K. (2013). Extreme densities in Titan's ionosphere during the T85 magnetosheath encounter. Geophysical Research Letters, 40(12), 2879-2883. https://doi.org/10.1002/grl.50579

Vancouver

T. Edberg NJ, Andrews DJ, Shebanits O, Ågren K, Wahlund J, Opgenoorth HJ et al. Extreme densities in Titan's ionosphere during the T85 magnetosheath encounter. Geophysical Research Letters. 2013 Jun 28;40(12):2879-2883. https://doi.org/10.1002/grl.50579

Author

T. Edberg, N. J. ; Andrews, D. J. ; Shebanits, O. ; Ågren, K. ; Wahlund, J.-e. ; Opgenoorth, H. J. ; Roussos, E. ; Garnier, P. ; Cravens, T. E. ; Badman, S. V. ; Modolo, R. ; Bertucci, C. ; Dougherty, M. K. / Extreme densities in Titan's ionosphere during the T85 magnetosheath encounter. In: Geophysical Research Letters. 2013 ; Vol. 40, No. 12. pp. 2879-2883.

Bibtex

@article{5590c27f335b4dcfbd78869c0aae31d7,
title = "Extreme densities in Titan's ionosphere during the T85 magnetosheath encounter",
abstract = "We present Cassini Langmuir probe measurements of the highest electron number densities ever reported from the ionosphere of Titan. The measured density reached 4310 cm−3 during the T85 Titan flyby. This is at least 500 cm−3 higher than ever observed before and at least 50% above the average density for similar solar zenith angles. The peak of the ionospheric density is not reached on this flyby, making the maximum measured density a lower limit. During this flyby, we also report that an impacting coronal mass ejection (CME) leaves Titan in the magnetosheath of Saturn, where it is exposed to shocked solar wind plasma for at least 2 h 45 min. We suggest that the solar wind plasma in the magnetosheath during the CME conditions significantly modifies Titan's ionosphere by an addition of particle impact ionization by precipitating protons.",
keywords = "Titan, Cassini, ionosphere, magnetosheath, ionization",
author = "{T. Edberg}, {N. J.} and Andrews, {D. J.} and O. Shebanits and K. {\AA}gren and J.-e. Wahlund and Opgenoorth, {H. J.} and E. Roussos and P. Garnier and Cravens, {T. E.} and Badman, {S. V.} and R. Modolo and C. Bertucci and Dougherty, {M. K.}",
note = "{\textcopyright}2013. American Geophysical Union.",
year = "2013",
month = jun
day = "28",
doi = "10.1002/grl.50579",
language = "English",
volume = "40",
pages = "2879--2883",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "12",

}

RIS

TY - JOUR

T1 - Extreme densities in Titan's ionosphere during the T85 magnetosheath encounter

AU - T. Edberg, N. J.

AU - Andrews, D. J.

AU - Shebanits, O.

AU - Ågren, K.

AU - Wahlund, J.-e.

AU - Opgenoorth, H. J.

AU - Roussos, E.

AU - Garnier, P.

AU - Cravens, T. E.

AU - Badman, S. V.

AU - Modolo, R.

AU - Bertucci, C.

AU - Dougherty, M. K.

N1 - ©2013. American Geophysical Union.

PY - 2013/6/28

Y1 - 2013/6/28

N2 - We present Cassini Langmuir probe measurements of the highest electron number densities ever reported from the ionosphere of Titan. The measured density reached 4310 cm−3 during the T85 Titan flyby. This is at least 500 cm−3 higher than ever observed before and at least 50% above the average density for similar solar zenith angles. The peak of the ionospheric density is not reached on this flyby, making the maximum measured density a lower limit. During this flyby, we also report that an impacting coronal mass ejection (CME) leaves Titan in the magnetosheath of Saturn, where it is exposed to shocked solar wind plasma for at least 2 h 45 min. We suggest that the solar wind plasma in the magnetosheath during the CME conditions significantly modifies Titan's ionosphere by an addition of particle impact ionization by precipitating protons.

AB - We present Cassini Langmuir probe measurements of the highest electron number densities ever reported from the ionosphere of Titan. The measured density reached 4310 cm−3 during the T85 Titan flyby. This is at least 500 cm−3 higher than ever observed before and at least 50% above the average density for similar solar zenith angles. The peak of the ionospheric density is not reached on this flyby, making the maximum measured density a lower limit. During this flyby, we also report that an impacting coronal mass ejection (CME) leaves Titan in the magnetosheath of Saturn, where it is exposed to shocked solar wind plasma for at least 2 h 45 min. We suggest that the solar wind plasma in the magnetosheath during the CME conditions significantly modifies Titan's ionosphere by an addition of particle impact ionization by precipitating protons.

KW - Titan

KW - Cassini

KW - ionosphere

KW - magnetosheath

KW - ionization

U2 - 10.1002/grl.50579

DO - 10.1002/grl.50579

M3 - Journal article

VL - 40

SP - 2879

EP - 2883

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 12

ER -