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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 18, issue 10
Ann. Geophys., 18, 1293-1303, 2000
https://doi.org/10.1007/s00585-000-1293-2
© European Geosciences Union 2000
Ann. Geophys., 18, 1293-1303, 2000
https://doi.org/10.1007/s00585-000-1293-2
© European Geosciences Union 2000

  31 Oct 2000

31 Oct 2000

Hydroxyl (6−2) airglow emission intensity ratios for rotational temperature determination

W. J. R. French2,1, G. B. Burns1, K. Finlayson1, P. A. Greet1, R. P. Lowe3, and P. F. B. Williams1 W. J. R. French et al.
  • 1Australian Antarctic Division, Kingston, Tasmanian, Australia 7050
  • 2Institute of Antarctic and Southern Ocean Studies, University of Tasmania, Hobart, Tasmania, Australia, 7000
  • 3Institute for Space and Terrestrial Science, University of Western Ontario, London, Canada N6A3K7

Abstract. OH(6–2) Q1/P1 and R1/P1 airglow emission intensity ratios, for rotational states up to j' = 4.5, are measured to be lower than implied by transition probabilities published by various authors including Mies, Langhoff et al. and Turnbull and Lowe. Experimentally determined relative values of j' transitions yield OH(6–2) rotational temperatures 2 K lower than Langhoff et al., 7 K lower than Mies and 13 K lower than Turnbull and Lowe.

Key words: Atmospheric composition and structure (airglow and aurora; pressure, density and temperature)

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