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Unformatted text preview: , and for specifics of AGN applications, Davidson and Netzer 1979 (Rev. Mod. Phys. 51, 715) and Peterson's AGN textbook . Review of the recombination theory in the starformation lecture will be helpful. Every state of an atom or ion has quantum numbers of importance here as follows: Each ( l,s ) pair has multiplicity g = 2s+1 the number of energy levels with distinct j . For historical reasons, different values of l=0,1,2,3 are denoted in spectroscopic notation by S,P,D,F (strong, principal, diffuse, faint), then G,H,. .. A spectroscopic term (atomic state) is denoted by n g L J ....
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This note was uploaded on 11/10/2011 for the course AST AST1002 taught by Professor Emilyhoward during the Fall '10 term at Broward College.
 Fall '10
 EmilyHoward
 Astronomy

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