Abstract
view Abstract Citations (7) References (5) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Monte Carlo treatment of Lyman-alpha. II. Radiation in a spherical atmosphere. Modali, S. B. ; Brandt, J. C. ; Kastner, S. O. Abstract Intensity and state of polarization of solar L-alpha photons as they diffuse through an inhomogeneous, spherically symmetric, isothermal geocorona are theoretically determined. The fine structure of L-alpha and Doppler redistribution of frequencies are taken into account. The calculation use the Monte Carlo technique involving Stokes vectors. Comparison of the results with OGO-4 and OSO-4 observed intensities at an altitude of 650 km shows good agreement. Calculations of the polarization versus solar zenith angle show a residual polarization at large zenith angles which is mainly due to multiply scattered photons. Publication: The Astrophysical Journal Pub Date: July 1975 DOI: 10.1086/153719 Bibcode: 1975ApJ...199..530M Keywords: Atmospheric Models; Atmospheric Radiation; Lyman Alpha Radiation; Monte Carlo Method; Radiative Transfer; Solar Radiation; Computer Programs; Fine Structure; Luminous Intensity; Polarization Characteristics; Satellite Observation; Astrophysics full text sources ADS |
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