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Table 2

Atomic data used in the hydrodynamic model.

Ion Levels Linesa Ion Levels Linesa
H i 10 45 P iv 12 16
H ii 1 0 P v 11 22
He i 17 55 P vi 1 0
He ii 16 120 S iv 11 14
He iii 1 0 S v 10 13
C ii 32 148 S vi 22 75
C iii 40 226 Cl iii 1 0
C iv 25 230 Cl iv 24 34
C v 29 120 Cl v 18 29
C vi 1 0 Cl vi 23 46
N ii 38 201 Ar ii 20 33
N iii 87 507 Ar iii 14 13
N iv 38 154 Ar iv 13 20
N v 20 114 Ar v 10 11
N vi 14 48 Ar vi 9 11
N vii 2 1 Ar vii 20 34
O ii 37 150 Ar viii 11 24
O iii 33 121 Ar ix 10 10
O iv 29 76 Ar x 3 1
O v 36 153 K iii 20 40
O vi 16 101 K iv 23 27
O vii 1 0 K v 19 33
Ne i 8 14 K vi 28 38
Ne ii 18 40 K vii 1 0
Ne iii 18 18 Ca iv 24 43
Ne iv 35 159 Ca v 15 12
Ne v 25 37 Ca vi 15 17
Ne vi 25 53 Ca vii 20 28
Ne vii 25 61 Feb ii 1 0
Ne viii 25 101 Feb iii 13 40
Ne ix 23 51 Feb iv 18 77
Mg ii 1 0 Feb v 22 107
Mg iii 11 16 Feb vi 29 194
Mg iv 10 9 Feb vii 19 87
Mg v 10 9 Feb viii 14 49
Mg vi 10 19 Feb ix 15 56
Mg vii 10 11 Feb x 1 0
Mg viii 1 0
Si iii 24 69
Si iv 55 465
Si v 52 265 Total 1450 5221

Notes.

(a)

The number of lines refers to those transitions that have non-negligible oscillator strengths and are therefore considered in the radiative transfer calculation.

(b)

For Fe, the number of levels and lines refer to superlevels and superlines. Fe includes also the further iron group elements Sc, Ti, V, Cr, Mn, Co, and Ni. See Gräfener et al. (2002) for concept details and relative abundances.

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