Resolution of the discrepancy between Balmer alpha emission rates, the solar Lyman beta flux, and models of geocoronal hydrogen concentration

Details Resolution of the discrepancy between Balmer alpha emission rates, the solar Lyman beta flux, and models of geocoronal hydrogen concentration Resolution of the discrepancy between Balmer alpha emission rates, the solar Lyman beta flux, and models of geocoronal hydrogen concentration

Nov 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976jgr....81.5587l&link_type=abstract

Journal of Geophysical Research, vol. 81, Nov. 1, 1976, p. 5587-5590. Centre National d'Etudes Spatiales

Other

6

Balmer Series, Geocoronal Emissions, H Lines, Lyman Beta Radiation, Solar Radiation, Zodiacal Light, Atmospheric Models, Fraunhofer Lines, Ground Stations, Hydrogen Atoms, Luminous Intensity, Satellite Observation

Scientific paper

New satellite Balmer alpha measurements and solar Lyman beta flux and line profile measurements, together with new measurements of the zodiacal light intensity used in correcting both ground and satellite Balmer alpha measurements for the effects of the Fraunhofer line in the zodiacal light, have been used in a reevaluation of the long-standing discrepancy between ground-based Balmer alpha emission rates and other geocoronal hydrogen parameters. The solar Lyman beta line center flux is found to be (4.1 plus or minus 1.3) billion photons per sq cm per sec per angstrom at S(10.7) equals 110 and, together with a current hydrogen model which has 92,000 atoms per cu cm at 650 km for T(inf) equals 950 K, gives good agreement between calculated Balmer alpha emission rates and the ground-based and satellite measurements.

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