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Table 2

Statistics of the model atoms used in our cold accretion-disk models corresponding to the quiescence state.

Ion LTE levels NLTE levels Lines

H i 6 10 45
H ii 1
He i 74 29 69
He ii 12 20 190
He iii 1
C i 18 15 19
C ii 30 16 37
C iii 54 13 32
C iv 0 1 0
N i 15 12 15
N ii 20 1 0
N iii 53 13 24
N iv 0 1 0
O i 82 14 18
O ii 31 16 26
O iii 51 21 38
O iv 0 1 0
Ne i 32 6 3
Ne ii 20 14 19
Ne iii 0 1 0
Mg i 21 17 31
Mg ii 16 14 34
Mg iii 0 1 0
Si i 11 19 29
Si ii 5 20 48
Si iii 17 17 28
Si iv 0 1 0

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