ENA detection in the dayside of Mars: ASPERA-3 NPD statistical study

A. Mura; S. Orsini; A. Milillo; E. Kallio; A. Galli; S. Barabash; P. Wurz; A. Grigoriev; Y. Futaana; H. Andersson; R. Lundin; M. Yamauchi; M. Fraenz; N. Krupp; J. Woch; K. Asamura; A. J. Coates; C. C. Curtis; K. C. Hsieh; B. R. Sandel; A. Fedorov; M. Grande; H. Koskinen; J. U. Kozyra; J. G. Luhmann; S. McKenna-Lawlor; R. Cerulli-Irelli; R. D'Amicis; M. Maggi; S. Massetti; E. C. Roelof; P. C. Brandt; D. J. Winningham; R. A. Frahm; J. R. Sharber

doi:10.1016/j.pss.2007.12.013

ENA detection in the dayside of Mars: ASPERA-3 NPD statistical study

A. Mura, S. Orsini, A. Milillo, E. Kallio, A. Galli, S. Barabash, P. Wurz, A. Grigoriev, Y. Futaana, H. Andersson, R. Lundin, M. Yamauchi, M. Fraenz, N. Krupp, J. Woch, K. Asamura, A. J. Coates, C. C. Curtis, K. C. Hsieh, B. R. SandelA. Fedorov, M. Grande, H. Koskinen, J. U. Kozyra, J. G. Luhmann, S. McKenna-Lawlor, R. Cerulli-Irelli, R. D'Amicis, M. Maggi, S. Massetti, E. C. Roelof, P. C. Brandt, D. J. Winningham, R. A. Frahm, J. R. Sharber

Department of Physics

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Abstract

The Analyzer of Space Plasma and EneRgetic Atoms (ASPERA-3) on board Mars Express is designed to study the interaction between the solar wind and the atmosphere of Mars and to characterize the plasma and neutral gas environment in near-Mars space. Neutral Particle Detectors (NPD-1 and 2), which form part of the ASPERA-3 instrument suite, are Energetic Neutral Atom (ENA) detectors which use the time-of-flight (ToF) technique to resolve the energy of detected particles. In the present study, we perform a statistical analysis of NPD ToF data collected between 14 March 2004 and 17 June 2004 when Mars Express was located at the dayside of Mars looking toward the planet. After pre-processing and removal of UV contamination, the ToF spectra were fitted with simple analytical functions so as to derive a set of parameters. The behavior of these parameters, as a function of spacecraft position and attitude, is compared with a model, which describes ENA generation by charge exchange between shocked solar wind protons and extended Martian exosphere. The observations and the model agree well, indicating that the recorded signals are charge-exchanged shocked solar wind.

Original language	English
Pages (from-to)	840-845
Number of pages	6
Journal	Planetary and Space Science
Volume	56
Issue number	6
DOIs	https://doi.org/10.1016/j.pss.2007.12.013
Publication status	Published - May 2008

Keywords

ENA
Mars

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Mura, A., Orsini, S., Milillo, A., Kallio, E., Galli, A., Barabash, S., Wurz, P., Grigoriev, A., Futaana, Y., Andersson, H., Lundin, R., Yamauchi, M., Fraenz, M., Krupp, N., Woch, J., Asamura, K., Coates, A. J., Curtis, C. C., Hsieh, K. C., ... Sharber, J. R. (2008). ENA detection in the dayside of Mars: ASPERA-3 NPD statistical study. Planetary and Space Science, 56(6), 840-845. https://doi.org/10.1016/j.pss.2007.12.013

@article{cf662ff22b7045e499b317f813b8a843,

title = "ENA detection in the dayside of Mars: ASPERA-3 NPD statistical study",

abstract = "The Analyzer of Space Plasma and EneRgetic Atoms (ASPERA-3) on board Mars Express is designed to study the interaction between the solar wind and the atmosphere of Mars and to characterize the plasma and neutral gas environment in near-Mars space. Neutral Particle Detectors (NPD-1 and 2), which form part of the ASPERA-3 instrument suite, are Energetic Neutral Atom (ENA) detectors which use the time-of-flight (ToF) technique to resolve the energy of detected particles. In the present study, we perform a statistical analysis of NPD ToF data collected between 14 March 2004 and 17 June 2004 when Mars Express was located at the dayside of Mars looking toward the planet. After pre-processing and removal of UV contamination, the ToF spectra were fitted with simple analytical functions so as to derive a set of parameters. The behavior of these parameters, as a function of spacecraft position and attitude, is compared with a model, which describes ENA generation by charge exchange between shocked solar wind protons and extended Martian exosphere. The observations and the model agree well, indicating that the recorded signals are charge-exchanged shocked solar wind.",

keywords = "ENA, Mars",

author = "A. Mura and S. Orsini and A. Milillo and E. Kallio and A. Galli and S. Barabash and P. Wurz and A. Grigoriev and Y. Futaana and H. Andersson and R. Lundin and M. Yamauchi and M. Fraenz and N. Krupp and J. Woch and K. Asamura and Coates, {A. J.} and Curtis, {C. C.} and Hsieh, {K. C.} and Sandel, {B. R.} and A. Fedorov and M. Grande and H. Koskinen and Kozyra, {J. U.} and Luhmann, {J. G.} and S. McKenna-Lawlor and R. Cerulli-Irelli and R. D'Amicis and M. Maggi and S. Massetti and Roelof, {E. C.} and Brandt, {P. C.} and Winningham, {D. J.} and Frahm, {R. A.} and Sharber, {J. R.}",

year = "2008",

month = may,

doi = "10.1016/j.pss.2007.12.013",

language = "English",

volume = "56",

pages = "840--845",

journal = "Planetary and Space Science",

issn = "0032-0633",

publisher = "Elsevier",

number = "6",

}

Mura, A, Orsini, S, Milillo, A, Kallio, E, Galli, A, Barabash, S, Wurz, P, Grigoriev, A, Futaana, Y, Andersson, H, Lundin, R, Yamauchi, M, Fraenz, M, Krupp, N, Woch, J, Asamura, K, Coates, AJ, Curtis, CC, Hsieh, KC, Sandel, BR, Fedorov, A, Grande, M, Koskinen, H, Kozyra, JU, Luhmann, JG, McKenna-Lawlor, S, Cerulli-Irelli, R, D'Amicis, R, Maggi, M, Massetti, S, Roelof, EC, Brandt, PC, Winningham, DJ, Frahm, RA & Sharber, JR 2008, 'ENA detection in the dayside of Mars: ASPERA-3 NPD statistical study', Planetary and Space Science, vol. 56, no. 6, pp. 840-845. https://doi.org/10.1016/j.pss.2007.12.013

TY - JOUR

T1 - ENA detection in the dayside of Mars: ASPERA-3 NPD statistical study

AU - Mura, A.

AU - Orsini, S.

AU - Milillo, A.

AU - Kallio, E.

AU - Galli, A.

AU - Barabash, S.

AU - Wurz, P.

AU - Grigoriev, A.

AU - Futaana, Y.

AU - Andersson, H.

AU - Lundin, R.

AU - Yamauchi, M.

AU - Fraenz, M.

AU - Krupp, N.

AU - Woch, J.

AU - Asamura, K.

AU - Coates, A. J.

AU - Curtis, C. C.

AU - Hsieh, K. C.

AU - Sandel, B. R.

AU - Fedorov, A.

AU - Grande, M.

AU - Koskinen, H.

AU - Kozyra, J. U.

AU - Luhmann, J. G.

AU - McKenna-Lawlor, S.

AU - Cerulli-Irelli, R.

AU - D'Amicis, R.

AU - Maggi, M.

AU - Massetti, S.

AU - Roelof, E. C.

AU - Brandt, P. C.

AU - Winningham, D. J.

AU - Frahm, R. A.

AU - Sharber, J. R.

PY - 2008/5

Y1 - 2008/5

N2 - The Analyzer of Space Plasma and EneRgetic Atoms (ASPERA-3) on board Mars Express is designed to study the interaction between the solar wind and the atmosphere of Mars and to characterize the plasma and neutral gas environment in near-Mars space. Neutral Particle Detectors (NPD-1 and 2), which form part of the ASPERA-3 instrument suite, are Energetic Neutral Atom (ENA) detectors which use the time-of-flight (ToF) technique to resolve the energy of detected particles. In the present study, we perform a statistical analysis of NPD ToF data collected between 14 March 2004 and 17 June 2004 when Mars Express was located at the dayside of Mars looking toward the planet. After pre-processing and removal of UV contamination, the ToF spectra were fitted with simple analytical functions so as to derive a set of parameters. The behavior of these parameters, as a function of spacecraft position and attitude, is compared with a model, which describes ENA generation by charge exchange between shocked solar wind protons and extended Martian exosphere. The observations and the model agree well, indicating that the recorded signals are charge-exchanged shocked solar wind.

AB - The Analyzer of Space Plasma and EneRgetic Atoms (ASPERA-3) on board Mars Express is designed to study the interaction between the solar wind and the atmosphere of Mars and to characterize the plasma and neutral gas environment in near-Mars space. Neutral Particle Detectors (NPD-1 and 2), which form part of the ASPERA-3 instrument suite, are Energetic Neutral Atom (ENA) detectors which use the time-of-flight (ToF) technique to resolve the energy of detected particles. In the present study, we perform a statistical analysis of NPD ToF data collected between 14 March 2004 and 17 June 2004 when Mars Express was located at the dayside of Mars looking toward the planet. After pre-processing and removal of UV contamination, the ToF spectra were fitted with simple analytical functions so as to derive a set of parameters. The behavior of these parameters, as a function of spacecraft position and attitude, is compared with a model, which describes ENA generation by charge exchange between shocked solar wind protons and extended Martian exosphere. The observations and the model agree well, indicating that the recorded signals are charge-exchanged shocked solar wind.

KW - ENA

KW - Mars

UR - http://hdl.handle.net/2160/8396

U2 - 10.1016/j.pss.2007.12.013

DO - 10.1016/j.pss.2007.12.013

M3 - Article

SN - 0032-0633

VL - 56

SP - 840

EP - 845

JO - Planetary and Space Science

JF - Planetary and Space Science

IS - 6

ER -

ENA detection in the dayside of Mars: ASPERA-3 NPD statistical study

Abstract

Keywords

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