CMFGEN grids of atmosphere models for massive stars - OB-type stars at the Magellanic Clouds

Open Access

Table 1

Ions, number of super-levels and number of levels included in the model calculations.

Ion	# super-levels	# levels
HI	30	30
He I	69	69
He II	30	30
CII*	92	322
CIII	99	243
CIV	64	64
N II*	59	105
N III	57	287
N IV	44	70
NV	41	49
OII*	155	274
O III	36	104
O IV	30	64
OV	32	56
O VI*	9	15
Ne II	14	48
Ne III	23	71
Ne IV	17	52
Ne V	37	166
Mg II	36	44
Si II*	27	53
Si III	50	50
Si IV	66	66
S III	39	78
S IV	40	108
S V	37	144
SVI*	28	58
Ar III	24	138
Ar IV	30	102
Ar V	14	29
Ar VI*	21	81
Ca III	29	88
Ca IV	19	72
CaV*	10	613
Fe II*	24	295
Fe III	65	607
Fe IV	100	1000
Fe V	139	1000
Fe VI	59	1000
Fe VII*	41	252
Ni II*	27	158
Ni III	24	150
Ni IV	36	200
Ni V	46	183
Ni VI	40	182
Ni VII*	37	308

Notes. Ions with an asterisk symbol are only used in low or high T_eff models.

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