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Table 1

Spectral features used in the determination of the fundamental parameters.

Ion λ (Å) Ion λ (Å)

HI 4101.74 HeII 4542.80
HI 4340.47 SiII 4128.07
HI 4861.33 SiII 4130.89
HeI 4026.19 SiIII 4552.62
HeI 4387.93 SiIII 4567.84
HeI 4471.48 SiIII 4574.76
HeI 4921.93 SiIV 4116.10

Notes. At low-resolution the lines of Si ii 4128.07 Å and Si iv 4116.10 Å could be blended with O ii transition.

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