Effects of partial frequency redistribution functions RII,RIII and RV on source functions |
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| Authors: | D. Mohan Rao K. E. Rangarajan A. Peraiah |
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| Affiliation: | (1) Indian institute of Astrophysics, 560034 Bangalore |
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| Abstract: | The effects of partial frequency redistribution on the formation of spectral lines have been studied. We considered the angle-averaged RII, RIII andR v types of redistribution with isotropic phase function, Transfer equation with plane-parallel geometry is solved in isothermal atmospheres. For an atmosphere with constant thermal sources, the frequency-dependent source function SL (R v) lies below SL (RIII) but above SL(R III) in the line wings. |
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| Keywords: | radiative transfer partial frequency redistribution line source functions spectral line formation |
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