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Table 2

Sets of absorption lines used for projected rotational velocity estimates.

Set 1 Set 2

Species λ (Å) Species λ (Å)
He i 4120 He i 4009
He i 4169 He i 4026
C ii 4267 He i 4120
He i 4437 He i 4143
Mg ii 4481 He i 4387
Si iii 4552 He i 4471
Si iii 4567 He i 4713
Si iii 4574 He i 4921
O ii 4661
He i 4713

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