Empirical mass-loss rates and clumping properties of Galactic early-type O supergiants

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Table 3

Diagnostic spectral lines used for fitting in the GA.

(F)UV	Optical
He II 1640	Hδ
C III 1176	Hγ
C III 1620	Hβ
C IV 1548–1550	Hα
N III 1750	He I 4026
N IV 1718	He I 4387
O IV 1340	He I 4471
O V 1371	He I 4200
Si IV 1393–1402	He II 4541
P V 1118–1128 ^(*)	He II 4686
	N IV 4058
	O III 5592

Notes. ^(*) P Vλλ1118–1128 is only included in the fits that allow optically thick clumping and this line is excluded when fitting with optically thin clumping.

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