The MPI-Mainz UV/VIS Spectral Atlas

of Gaseous Molecules of Atmospheric Interest

www.uv-vis-spectral-atlas-mainz.org

Hannelore Keller-Rudek1, Geert K. Moortgat2, Rolf Sander2, Rüdiger Sörensen1

1Satellite Group

2Atmospheric Chemistry Division

Max-Planck Institute for Chemistry
Mainz, Germany

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When referring to the Spectral Atlas, please cite our publication:

Keller-Rudek, H., Moortgat, G. K., Sander, R., and Sörensen, R.: The MPI-Mainz UV/VIS spectral atlas of gaseous molecules of atmospheric interest, Earth Syst. Sci. Data, 5, 365–373, (2013), DOI: 10.5194/essd-5-365-2013

Cross Sections / Oxygen / O2 / Dose(1975)_291K_120.550-122.450nm(fits)

DATAFILE: O2_Dose(1975)_291K_120.550-122.450nm(fits).txt
NAME: oxygen
FORMULA: O2
AUTHOR(YEAR): Dose(1975)
T: 291K
λ: 120.550-122.450nm(fits)
BIBLIOGRAPHY: V. Dose, U. Schmocker, and G. Sele, "Der Photoabsorptionskoeffizient von molekularem Sauerstoff für Strahlung in der Umgebung der Lyman-Alpha-Linie des Wasserstoffs", Z. Physik A 274, 1-8 (1975); DOI: 10.1007/BF01421028
COMMENTS: Fit of the measured absorption coefficients k (atm, 273K)-1 cm-1 (base e) to the following analytical expressions (λ always in Å):

1205.5 to 1207.675 Å:
k = exp [6.0741 - 0.1455 (λ - 1205.5)]

1207.675 to 1207.9055 Å:
k = exp [5.3016 + {0.2166 (λ - 1207.614)2}1/2]

1207.9055 to 1213.6 Å:
k = exp [- 0.010996 - 0.799 ( λ -1215)]

1213.6 to 1216 Å:
k = 0.254 + 0.43655 (λ -1216)2 - 0.018704 ( λ -1216)3

1216 to 1225.5 Å:
k = 0.254 + 0.190183 (λ - 1216)2 - 0.012522 (λ - 1216)3

Conversion of k to σ using factor 3.72×10-20

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