Effects of Aberration and Advection on Line Transfer in Plane Parallel Geometry

Details Effects of Aberration and Advection on Line Transfer in Plane Parallel Geometry Effects of Aberration and Advection on Line Transfer in Plane Parallel Geometry

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991basi...19....9p&link_type=abstract

Bulletin of the Astronomical Society of India V.19:1/2, P. 9, 1991

Astronomy and Astrophysics

Astronomy

Radiative Transfer, Aberration And Advection, Line Transfer

Scientific paper

We have investigated the effects of aberration and advection on line formation in a plane-parallel medium. We have considered velocities of the order of V = l000, 2000, 3000, 4000, 5000 km s-1 in a plane parallel medium in which the line centre optical depths are 500 and 1200. We consider a two-level atom approximation and find that the line source (SL) changes considerably depending on the optical depth, and SL for V = 0 km s-1 differ from that at V = 5000 km s-1 by a factor of 103.

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