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Title:
High resolution absorption cross sections in the transmission window region of the Schumann-Runge bands and Herzberg continuum of O2
Authors:
Yoshino, K.; Esmond, J. R.; Cheung, A. S.-C.; Freeman, D. E.; Parkinson, W. H.
Affiliation:
AA(Harvard-Smithsonian Center for Astrophysics, Cambridge, MA), AB(Harvard-Smithsonian Center for Astrophysics, Cambridge, MA), AC(Harvard-Smithsonian Center for Astrophysics, Cambridge, MA), AD(Harvard-Smithsonian Center for Astrophysics, Cambridge, MA), AE(Harvard-Smithsonian Center for Astrophysics, Cambridge, MA)
Publication:
Planetary and Space Science (ISSN 0032-0633), vol. 40, Feb.-Mar. 1992, p. 185-192. (P&SS Homepage)
Publication Date:
02/1992
Category:
Geophysics
Origin:
STI
NASA/STI Keywords:
ABSORPTION CROSS SECTIONS, HERZBERG BANDS, OSCILLATOR STRENGTHS, OXYGEN, ROTATIONAL SPECTRA, SCHUMANN-RUNGE BANDS, HIGH RESOLUTION, PRESSURE DEPENDENCE, SOLAR RADIATION, ULTRAVIOLET RADIATION
DOI:
10.1016/0032-0633(92)90056-T
Bibliographic Code:
1992P&SS...40..185Y

Abstract

Results are presented on measurements, conducted in the wavelength region 180-195 nm, and at different pressures of oxygen (between 2.5-760 torr) in order to separate the pressure-dependent absorption from the main cross sections, of the absorption cross sections of the Schumann-Runge bands in the window region between the rotational lines of S-R bands of O2. The present cross sections supersede the earlier published cross sections (Yoshino et al., 1983). The combined cross sections are presented graphically; they are available at wavenumber intervals of about 0.1/cm from the National Space Science Data Center. The Herzberg continuum cross sections are derived after subtracting calculated contributions from the Schumann-Runge bands. These are significantly smaller than any previous measurements.
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