Browsing Kodaikanal Observatory, Kodaikanal by Subject "Line Formation:Stellar Atmospheres"

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Effects of partial frequency redistribution with dipole scattering on the formation of spectral lines in expanding media

Peraiah, A (Indian Institute of Astrophysics, 1978)

Line formation in expanding spherical atmospheres using partial frequency redistribution with dipole scattering has been studied by using a non LTE two level atom model. Lines with zero natural line widths are treated by ...
RII partial frequency redistribution function and its effects on the formation of lines in expanding spherical atmospheres

Peraiah, A (Indian Institute of Astrophysics, 1979-11)

The redistribution in frequency in lines formed in atmospheres in which the matter is moving radially outwards with velocity gradients is studied in the rest frame of the star. We velocity gradients is studied in the rest ...

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