Aberration and advection effects in a plane-parallel medium in motion

Details Aberration and advection effects in a plane-parallel medium in motion Aberration and advection effects in a plane-parallel medium in motion

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...317..271p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 317, June 1, 1987, p. 271-281.

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14

Aberration, Advection, Radiative Transfer, Stellar Atmospheres, Computational Astrophysics, Fluid Dynamics, Velocity Distribution

Scientific paper

The effects of aberration and advection terms in the fluid-frame steady-state radiative-transfer equation are evaluated by means of numerical computations for plane-parallel media moving at velocities 1000, 2000, 3000, 4000, and 5000 km/s. A monochromatic radiation field, no internal emission, and coherent isotropic scattering are assumed; the results are presented graphically and briefly characterized. The inclusion of aberration and advection is shown to produce substantial changes in the mean intensities and outward fluxes, even when time dependency is neglected. Application of the results to models of light propagation through the rapidly expanding outer layers of supergiants, novae, supernovae, QSOs, etc. is recommended.

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