I'm analyzing the spectra of M dwarfs. Some authors characterize the lines with the oscillator strengths $\log{gf}$ while others follow different paths with the Einstein $A$-coefficient. I would like to know if there is relation between the oscillator strengths $\log{gf}$, and the Einstein $A$-coefficient, rotational quantum number J', vibrational levels with the Hönl-London, factors or similar parameters.



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