Table 3
Components of the background opacities used for the comparison calculations between MULTI(*) and TLUSTY.
| Species | Process | ||
|---|---|---|---|
| MULTI | TLUSTY | ||
| H − | b-f, f-f | b-f, f-f | |
| H I | b-b, b-f, f-f | b-b, b-f (**), ff | |
| He I | b-b, b-f, f-f | b-b, b-f, f-f | |
| He − | f-f | b-f, f-f | |
| C I & II | b-b, b-f | b-b, b-f, f-f | |
| C − | f-f | ||
| N I & II | b-b, b-f | b-b | |
| N − | f-f | ||
| O I & II | b-b, b-f | b-b, b-f, f-f | |
| O − | f-f | ||
| Na I & II | b-b | b-b, b-f, f-f | |
| Mg I(†) | b-b, b-f, f-f | b-b, b-f, f-f | |
| Mg II(†) | b-b, b-f | b-b, b-f, f-f | |
| Al I & II | b-b | b-b, b-f, f-f | |
| Si I | b-b, b-f, f-f | b-b, b-f, f-f | |
| Si II | b-b, b-f | b-b, b-f, f-f | |
| K I | b-b | b-b, b-f, f-f | |
| Ca I & II(††) b-b | b-b, b-f | b-b, b-f, f-f | |
| Fe I & II | b-b, b-f | b-b, b-f, f-f | |
| All other metals | b-b, f-f | b-b | |
H |
f-f | f-f | |
H |
f-f | ||
| CH | b-f | b-b, bf | |
| OH | b-f | b-b, bf | |
| CO | b-f | b-b | |
| Other diatomic molecules (†††) | b-b | b-b | |
| H Rayleigh scattering | Yes | Yes | |
| He Rayleigh scattering | Yes | Yes | |
| H 2 Rayleigh scattering | Yes | Yes | |
| e− (Thomson) scattering | Yes | Yes | |
Notes. b-b, b-f, and f-f stands for bound-bound, bound-free, and free-free transitions, respectively. (*) The information is taken from Gustafsson et al. (2008), on which the opacity table used in MULTI was based. (**) The continua for the first three levels are extended shortward of the corresponding edges to describe a pseudo-continuum - see Hubeny et al. (1994). (†) Removed for the Mg NLTE calculations. (††)Removed for the Ca NLTE calculations. (†††)For TLUSTY these are H2, NH, MgH, SiH, C2, CN, and SiO.
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