Chandrasekhar, S.
(1935)
*On the effective temperatures of extended photospheres*
Mathematical Proceedings of the Cambridge Philosophical Society, 31
(3).
pp. 390-393.
ISSN 0305-0041

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Official URL: http://journals.cambridge.org/action/displayAbstra...

Related URL: http://dx.doi.org/10.1017/S0305004100077458

## Abstract

For material stratified in parallel planes in local thermodynamical equilibrium we have Milne's well-known result that B(τ)=½F(1+3/2τ), where πF is the constant net integrated flux of radiation, τ is the optical depth and B is the "ergiebigkeit" which is related to the temperature T by the relation B=σ/πT^{4},
σ being the Stefan-Boltzmann constant. If we define the effective temperature by the relation πF=σT^{4}_{e}, we have from (1) T^{4}_{e}=0.8T^{4}_{1}, where T_{1} is the temperature ar τ=1. In this note we establish a similar result for extended photospheres where the curvature of the outer layers is properly taken into account.

Item Type: | Article |
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ID Code: | 70496 |

Deposited On: | 17 Nov 2011 09:24 |

Last Modified: | 17 Nov 2011 09:24 |

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