First observation of energetic neutral atoms in the Venus environment.

A. Galli, P. Wurz, P. Bochsler, S. Barabash, A. Grigoriev, Y. Futaana, M. Holmstrom, H. Gunell, H. Andersson, R. Lundin, M. Yamauchi, K. Brinkfeldt, M. Fraenz, N. Krupp, J. Woch, W. Baumjohann, H. Lammer, T. L. Zhang, K. Asamura, A. J. CoatesD. R. Linder, D. O. Kataria, C. C. Curtis, K. C. Hsieh, B. R. Sandel, J. A. Sauvaud, A. Fedorov, C. Mazelle, J. J. Thocaven, M. Grande, E. Kallio, T. Sales, W. Schmidt, P. Rilhela, H. Koskinen, J. Kozyra, J. Luhmann, S. McKenna-Lawlor, S. Orsini, R. Cerulli-Irelli, A. Mura, A. Milillo, M. Maggi, E. Roelof, P. Brandt, C. T. Russell, K. Szego, D. Winningham, R. Frahm, J. Scherrer, J. R. Sharber

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygl

Crynodeb

The ASPERA-4 instrument on board the Venus Express spacecraft offers for the first time the possibility to directly measure the emission of energetic neutral atoms (ENAs) in the vicinity of Venus. When the spacecraft is inside the Venus shadow a distinct signal of hydrogen ENAs usually is detected. It is observed as a narrow tailward stream, coming from the dayside exosphere around the Sun direction. The intensity of the signal reaches several , which is consistent with present theories of the plasma and neutral particle distributions around Venus.
Iaith wreiddiolSaesneg
Tudalennau (o-i)807-811
Nifer y tudalennau5
CyfnodolynPlanetary and Space Science
Cyfrol56
Rhif cyhoeddi6
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - Mai 2008

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