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Table 2

Sensitivity of the nitrogen abundance derived from the NH band at 3360 Å.

Star
(Teff; log g; [Fe/H])

HD 93083 HD 222582 HD 39091
(5048; 4.32; 0.04) (5779; 4.32; –0.01) (6003; 4.42; 0.09)

ΔTeff = ± 100 K ± 0.05 ± 0.08 ± 0.10

HD 11964A HD 93083 HD 1237
(5332; 3.90; 0.10) (5105; 4.43; 0.09) (5514; 4.50; 0.07)

Δlog g = ± 0.2 dex ∓ 0.01 ∓ 0.05 ∓ 0.03

HD 4208 HD 69830 HD 73256
(5599; 4.44; -0.28) (5402; 4.40; -0.06) (5526; 4.42; 0.23)

Δ( [ Fe/H ]) = ±0.2 dex ∓ 0.16 ∓ 0.01 ∓ 0.08

Notes. Changes of 100 K in Teff, 0.2 dex in gravity, and 0.2 in [Fe/H] were applied.

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