Spectral line modelling

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  • #611531
    Ken Whight
    Participant

    I attach a paper on modelling the Sun’s photosphere that I would like reviewed. It presents a “simple” model of stellar photospheres that nontheless seems to make a good attempt at predicting spectral properties of a number of stars and in particular delivers good estimates of the pressure and thickness of the Sun’s photosphere.
    I think the approach is novel as it makes no use of “oscillator strengths” instead it uses photon capture cross-sections calculated from the Einstein A coefficients and properties of equilibrium.

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    #611715
    Ken Whight
    Participant

    I have also used my software to model the blue component of Albireo in an attempt to separate the absorption and emission components. In the process I can calculate possible thicknesses and corresponding pressures of the star’s photosphere as a function of an “impact Parameter” does this relation look reasonable?

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