IIA Institutional Repository

Browsing by Subject "Line shape"

Browsing by Subject "Line shape"

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  • Effects of aberration and advection on line formation 
    Peraiah, A (University of Chicago Press, 1991-10)
    The effects of inclusion of the aberration and advection terms in the equation of the line transfer are studied. Spherical shells whose ratios of outer (B) to inner (A) radii (B/A) are 2, 5, and 10 and with line-center ...
  • Effects of dust on the formation of lines in an expanding spherical medium 
    Peraiah, A; Varghese, B. A; Srinivasa Rao, M (The European Southern Observatory, 1987-06)
    A series of line profiles formed in a spherically symmetric and radially expanding atmosphere in which dust is present are computed, assuming that the dust scatters radiation isotropically. Two cases of dust distribution ...
  • The effects of non-coherent electron scattering on spectral line formation 
    Rangarajan, K. E; Mohan Rao, D; Peraiah, A (Royal Astronomical Society, 1991-06)
    Spectral line profiles from a plane-parallel homogeneous atmosphere have been calculated for the complete and partial redistribution mechanisms (CRD and PRD) including coherent and noncoherent electron scattering. It is ...
  • Expanding chromospheres of late G and K supergiants 
    Mallik, S. G. V (Royal Astronomical Society, 1986-09)
    The radiative transfer problem in non-LTE moving atmospheres has been explicitly solved for Hα line profiles. These computations have been done for a schematic model of the line-forming region over a wide range of optical ...

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