Rapid-response mode VLT/UVES spectroscopy of super iron-rich gas exposed to GRB 080310 - Evidence of ionization in action and episodic star formation in the host

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Table 3

Transitions simultaneously modelled with a Voigt profile.

Epochs	Ion	Level	Transitions λ (Å)

	Si ii	²P_1/2	1526
	Fe ii	⁶D_9/2	1608
I, III	Fe iii	⁵D₄	1122
	Fe iii^17∗^a	⁷S₃	UV 34: 1895, 1914, 1926

	C ii	²P_1/2	1334
	Si ii	²P_1/2	1190, 1193, 1260, 1304
	Si ii*	²P_3/2	1264, 1265
	Fe ii	⁶D_9/2	2344, 2374, 2382^b, 2586
II, IV	Fe ii*	⁶D_7/2	2333, 2365, 2389, 2396, 2612
	Fe ii**	⁶D_5/2	2349, 2399, 2405
	Fe ii***	⁶D_3/2	2338, 2407, 2411
	Fe ii****	⁶D_1/2	2411, 2414
	Fe iii	⁵D₄	1122

Notes.

^(a)

Seventeenth energy level above the ground-state.

^(b)

Only the redder component is fitted since the absorption profile is saturated in bluer regions.

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