vernerRead¶
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ChiantiPy.tools.io.
vernerRead
()[source] [edit on github]¶ Reads the photoionization cross-section data from [R82].
Returns: {‘pqn’,’l’,’eth’,’e0’,’sig0’,’ya’,’p’, yw’} :
dict
pqn
is the principal quantum number,l
is the subshell orbital quantum number,eth
(in eV) is the subshell ionization threshold energy;sig0
,ya
,p
, andyw
are all fit parameters used in calculating the total photoionization cross-section.References
[R82] (1, 2) Verner & Yakovlev, 1995, A&AS, 109, 125