Eclipses of Stars with Thick Atmospheres.
Abstract
The theory of thick atmospheres, developed by Kosirev and by Chandrasekhar, is applied to the in- vestigation of the distribution of intensity over the stellar disk, as functions of temperature, wave length, and the structure of the atmosphere. Intensities are tabulated over the physically interesting range. The intensities are used in computing the forms of a number of typical eclipses, with ratios of radii 0.4, 1.0, and 2.0, and with ratios of luminosities 10.0 and 1.0, both central and partial. The theoretical curves are applied, for ifiustration, to the light-curves of SX Cassiopeiae, U Cephei, RX Cassiopeiae, AR Monocerotis, ER Orionis, V 444 Cygni, and Aurigae. The effect of the theory on stellar diameters measured with the interferometer is evaluated. For all the cases discussed, application `of the theory leads to appreciable modification of previous results. I. GENERA
- Publication:
-
The Astrophysical Journal
- Pub Date:
- January 1945
- DOI:
- 10.1086/144689
- Bibcode:
- 1945ApJ...101...56P