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Table 1.
Wavelength ranges and absorption lines that we used to obtain radial velocities of ExtEV.
| λ range (Å) | Line(s) | λ range (Å) | Line(s) |
|---|---|---|---|
| 4380–4407 | He I 4388 | 4912–4948 | He I 4922 |
| 4458–4492 | He I 4471 | 5012–5032 | He I 5016 |
| 4632–4730 | C III 4651, | 5398–5439 | He II 5411 |
| He I 4713, | |||
| He II 4686 |
Notes. The given wavelength ranges correspond to the observed (i.e., Doppler-shifted) spectrum, while the wavelengths of the lines correspond to laboratory values.
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