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Geoscientific Instrumentation, Methods and Data Systems An interactive open-access journal of the European Geosciences Union

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Geosci. Instrum. Method. Data Syst., 1, 43-51, 2012
https://doi.org/10.5194/gi-1-43-2012
© Author(s) 2012. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
03 May 2012
Results from the intercalibration of optical low light calibration sources 2011
B. U. E. Brändström1, C.-F. Enell2, O. Widell3, T. Hansson3, D. Whiter4, S. Mäkinen4, D. Mikhaylova1, K. Axelsson1, F. Sigernes5, N. Gulbrandsen6, N. M. Schlatter7, A. G. Gjendem8, L. Cai9, J. P. Reistad10, M. Daae8, T. D. Demissie8, Y. L. Andalsvik11, O. Roberts12, S. Poluyanov13, and S. Chernouss14 1Swedish Institute of Space Physics, Kiruna, Sweden
2Sodankylä Geophysical Observatory, University of Oulu, Sodankylä, Finland
3SSC, ESRANGE, Kiruna, Sweden
4Finnish Meteorological Institute, Helsinki, Finland
5The Kjell Henriksen Observatory, UNIS, Longyearbyen, Norway
6University of Tromsø, Tromsø, Norway
7School of Electrical Engineering, Royal Institute of Technology, Stockholm, Sweden
8Norwegian University of Science and Technology, Trondheim, Norway
9Department of Physics, University of Oulu, Oulu, Finland
10University of Bergen, Bergen, Norway
11Department of Physics, University of Oslo, Oslo, Norway
12Aberystwyth University, Aberystwyth, UK
13Polar Geophysical Institute, Murmansk, Russia
14Polar Geophysical Institute, Apatity, Russia
Abstract. Following the 38th Annual European Meeting on Atmospheric Studies by Optical Methods in Siuntio in Finland, an intercalibration workshop for optical low light calibration sources was held in Sodankylä, Finland. The main purpose of this workshop was to provide a comparable scale for absolute measurements of aurora and airglow. All sources brought to the intercalibration workshop were compared to the Fritz Peak reference source using the Lindau Calibration Photometer built by Wilhelm Barke and Hans Lauche in 1984. The results were compared to several earlier intercalibration workshops. It was found that most sources were fairly stable over time, with errors in the range of 5–25%. To further validate the results, two sources were also intercalibrated at UNIS, Longyearbyen, Svalbard. Preliminary analysis indicates agreement with the intercalibration in Sodankylä within about 15–25%.

Citation: Brändström, B. U. E., Enell, C.-F., Widell, O., Hansson, T., Whiter, D., Mäkinen, S., Mikhaylova, D., Axelsson, K., Sigernes, F., Gulbrandsen, N., Schlatter, N. M., Gjendem, A. G., Cai, L., Reistad, J. P., Daae, M., Demissie, T. D., Andalsvik, Y. L., Roberts, O., Poluyanov, S., and Chernouss, S.: Results from the intercalibration of optical low light calibration sources 2011, Geosci. Instrum. Method. Data Syst., 1, 43-51, https://doi.org/10.5194/gi-1-43-2012, 2012.
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