Line list 1 Li-like selection (NIS) - 15 lines Mg X 624.95 (1) NIS2 920 Mg X 609.79 (1) NIS2 791 Al XI 550.03 (1) NIS2 281 Al XI 568.15 (1) NIS2 436 Si XII 520.67 (1) NIS2 31 Ar XVI 353.92 (1) NIS1 629 K XVII 326.78 (1) NIS1 240 K XVII 365.66 (1) NIS1 797 Ca XVIII 344.77 (1) NIS1 498 Ca XVIII 302.22 (2) NIS2 745 Cr XXII 279.73 (2) NIS2 367 C IV 312.42 (1) NIS1 34 C IV 312.45 (1) NIS1 35 N V 266.20 (2) NIS2 131 N V 266.38 (2) NIS2 135