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First negative syst...
First negative system of N2 + in aurora : Simultaneous space-borne and ground-based measurements and modeling results
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- Axelsson, Katarina (författare)
- Luleå tekniska universitet,Institutionen för system- och rymdteknik
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- Sergienko, T. (författare)
- Swedish Institute of Space Physics / Institutet för rymdfysik
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- Nilsson, H. (författare)
- Swedish Institute of Space Physics / Institutet för rymdfysik
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- Brändström, U. (författare)
- Swedish Institute of Space Physics / Institutet för rymdfysik
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- Asamura, K. (författare)
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara
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- Sakanoi, Takeshi (författare)
- Tohoku University, Graduate School of Science, Sendai, Japan
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(creator_code:org_t)
- 2014-05-20
- 2014
- Engelska.
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Ingår i: Annales Geophysicae. - : Copernicus GmbH. - 0992-7689 .- 1432-0576. ; 32:5, s. 499-506
- Relaterad länk:
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https://www.ann-geop...
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https://urn.kb.se/re...
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https://doi.org/10.5...
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Abstract
Ämnesord
Stäng
- The auroral emission of the first negative system of N2 + at 427.8 nm is analyzed using simultaneous measurements from the ground with ALIS (Auroral Large Imaging System) and from space with optical (MAC) and particle (ESA) instruments of the Reimei satellite. The study has two main objectives. The first is validation of the absolute calibration of the ALIS and the Reimei MAC cameras. The other task is to evaluate different cross sections of the electron excitation of N2 + that are used for the modeling of the auroral 1N system emissions. The simultaneous measurements of the 427.8 nm emission by ALIS and Reimei imagers show excellent agreement, indicating that the calibration of the two instruments is correct. Comparison of the 427.8 nm emission intensity calculated using the incident electron flux measured by the Reimei particle instruments with intensities measured by the optical imagers show that the best match is reached with the cross section from Shemansky and Liu (2005).
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Rymd- och flygteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Aerospace Engineering (hsv//eng)
Nyckelord
- Space Technology
- Rymdteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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