03 Aug 2020
03 Aug 2020
Observations of sunlit N2+ aurora at high altitudes during the RENU2 flight
- 1Department of Electrical Engineering, UiT The Arctic University of Norway, 8505 Narvik, Norway
- 2Department of Arctic Geophysics, the University Centre in Svalbard, P.O. Box 156, 9171 Longyearbyen, Norway
- 3Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, 5020 Bergen, Norway
- 4The University of New Hampshire, Durham, NH 03824, USA
- 5Space Science Applications Laboratory, The Aerospace Corporation, El Segundo CA, USA
- 6Computational Physics Inc., Springfield, VA, USA
- 1Department of Electrical Engineering, UiT The Arctic University of Norway, 8505 Narvik, Norway
- 2Department of Arctic Geophysics, the University Centre in Svalbard, P.O. Box 156, 9171 Longyearbyen, Norway
- 3Birkeland Centre for Space Science, Department of Physics and Technology, University of Bergen, 5020 Bergen, Norway
- 4The University of New Hampshire, Durham, NH 03824, USA
- 5Space Science Applications Laboratory, The Aerospace Corporation, El Segundo CA, USA
- 6Computational Physics Inc., Springfield, VA, USA
Abstract. We present measurements of sunlit aurora during the launch of the Rocket Experiment for Neutral Upwelling 2 (RENU2) on the 13th of December 2015 at 07:34 UT. The in situ auroral conditions coincide with those of sunlit aurora, and were characterised by the 391.4 nm and 427.8 nm N2+ emissions. A correlation between several auroral wavelengths, as measured by a meridian scanning photometer was used to detect sunlit aurora and indirectly neutral upwelling. These results, based on ground data, agree well with the RENU2 measurements recorded during its pass through the sunlit polar cusp. Using data from RENU2 and the solar photon flux, it was found that sunlit aurora was a major part (≈ 40 %) of the observed 427.8 nm emission.
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Pål Gunnar Ellingsen et al.


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RC1: 'angeo-2020-50', Anonymous Referee #1, 19 Aug 2020
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AC1: 'Reply to referee #1', Pål G. Ellingsen, 08 Sep 2020
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AC1: 'Reply to referee #1', Pål G. Ellingsen, 08 Sep 2020
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AC1: 'Reply to referee #1', Pål G. Ellingsen, 08 Sep 2020
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RC2: 'Review', Anonymous Referee #2, 13 Jan 2021
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AC2: 'Reply on RC2', Pål G. Ellingsen, 13 Jan 2021
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AC2: 'Reply on RC2', Pål G. Ellingsen, 13 Jan 2021
Pål Gunnar Ellingsen et al.
Pål Gunnar Ellingsen et al.
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