Ion outflow observed by IMAGE: Implications for source regions and heating mechanisms

Fuselier, S. A.; Ghielmetti, A. G.; Moore, T. E.; Collier, M. R.; Quinn, J. M.; Wilson, G. R.; Wurz, P.; Mende, S. B.; Frey, H. U.; Jamar, Claude; Gérard, Jean-Claude; Burch, J. L.

doi:10.1029/2000GL012450

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Ion outflow observed by IMAGE: Implications for source regions and heating mechanisms

Fuselier, S. A.; Ghielmetti, A. G.; Moore, T. E. et al.

2001 • In Geophysical Research Letters, 28, p. 1163-1166

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https://hdl.handle.net/2268/27469

DOI
10.1029/2000GL012450

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Keywords :

Ionosphere: Ionosphere/magnetosphere interactions; Ionosphere: Particle precipitation; Magnetospheric Physics: Auroral phenomena

Abstract :

[en] Images of the Earth's proton aurora from the IMAGE spacecraft on 8 June 2000 indicate a temporally and spatially isolated ionospheric response to a shock that impinged on the Earth's magnetopause. Sometime after this ionospheric response, the Low Energy Neutral Atom imager on IMAGE detected enhanced ionospheric outflow. The time delay between the ionospheric response and the enhanced outflow is consistent with the travel time of ~30 eV neutral Oxygen (created by charge exchange of outflowing O[SUP]+[/SUP] with the exosphere) from the low altitude ionosphere to the spacecraft. The prompt ionospheric outflow implies that the shock deposited sufficient energy in the topside ionosphere near or above the O[SUP]+[/SUP] exobase to initiate the outflow.

Disciplines :

Space science, astronomy & astrophysics

Author, co-author :

Fuselier, S. A.

Ghielmetti, A. G.

Moore, T. E.

Collier, M. R.

Quinn, J. M.

Wilson, G. R.

Wurz, P.

Mende, S. B.

Frey, H. U.

Jamar, Claude ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)

Gérard, Jean-Claude ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)

Burch, J. L.

Language :

English

Title :

Ion outflow observed by IMAGE: Implications for source regions and heating mechanisms

Publication date :

01 March 2001

Journal title :

Geophysical Research Letters

ISSN :

0094-8276

eISSN :

1944-8007

Publisher :

American Geophysical Union, Washington, United States - District of Columbia

Volume :

Pages :

1163-1166

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://adsabs.harvard.edu/abs/2001GeoRL..28.1163F

Available on ORBi :

since 03 November 2009

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