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Table 7

RRC parameters for the 770 ks spectrum, including absorption from WA components B and E, as discussed in Sect. 3.3.2.

RRC name Recombining ion Emission measurea Temperature Emission measurea
for overall fit for pair fit for pair fit
(1064 m-3) eV (K) (1064 m-3)

C V C VI 4.1 ± 0.7 1110 ± 200
C VI C VII (4.8 ± 0.8 × 104) 620 ± 110

N VI N VII 130 ± 70 6.6b 130 ± 80
N VII N VIII 60 ± 30 (7.7 × 104) 70 ± 30

O VII O VIII 650 ± 40 6.6 ± 0.6 700 ± 50
O VIII O IX 130 ± 20 (7.7 ± 0.7 × 104) 140 ± 20

Ne IX Ne X 60 ± 10 9.4 ± 0.3 80 ± 20
Ne X Ne XI 20 ± 10 () 30 ± 20

Overall 5.9 ± 0.5 eV
Temperature (6.8 ± 0.5 × 104 K)

Notes. Overall C-statistic = 1870 for d.o.f.= 1036.

(a)

Of recombining ion;

(b)

fixed to oxygen best fit value, see text for details.

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