On the Albedo Problem for a Finite Plane-Parallel Rayleigh-Scattering At-Mosphere

1969 ◽  
Vol 155 ◽  
pp. 265 ◽  
Author(s):  
P. S. Shieh ◽  
C. E. Siewert
2002 ◽  
Vol 72 (4) ◽  
pp. 449-465 ◽  
Author(s):  
A.R. Degheidy ◽  
M.H. Haggag ◽  
A. El-Depsy

1976 ◽  
Vol 70 ◽  
pp. 315-320
Author(s):  
Sara R. Heap

Non-LTE strengths of Si II lines were computed in an effort to reproduce the observed strengths of Si II lines in the shell spectrum of ζ Tau. This effort was unsuccessful, probably because it assumed that the shell could be represented by a finite, plane-parallel slab. The main conclusion of this study, then, is that in order to understand the shell spectra of Be stars, a more realistic geometry must be assumed, in which the shell is represented by a thick disk.


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