Approximate formulae for radiative acceleration in stars

Details Approximate formulae for radiative acceleration in stars Approximate formulae for radiative acceleration in stars

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...145..275a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 145, no. 1, April 1985, p. 275-277.

Physics

17

Acceleration (Physics), Diffuse Radiation, Optical Thickness, Peculiar Stars, Stellar Oscillations, Stellar Radiation, Doppler Effect, Ionizing Radiation, Stellar Envelopes

Scientific paper

The author proposes an analytical expression for the radiative
acceleration due to absorption of photons through bound-bound
transitions, which is valid in optically thick media, when pressure
broadening is dominant. He then derives approximate formulae for the
numerical evaluation of radiative acceleration in Ap star envelopes.

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