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Table B.1

Errors in the determined abundances of Na, Mg, and K.

Element Line Line σ(Teff) σ(log g) σ(ξt) σ(cont) σ(fit) σ(A)tot
wavelength, nm quality dex dex dex dex dex dex

Na i 568.26 A ± 0.07 ∓ 0.01 ∓ 0.08 0.03 0.03 0.11
B ± 0.07 ∓ 0.01 ∓ 0.08 0.03 0.04 0.12
C ± 0.07 ∓ 0.01 ∓ 0.08 0.03 0.04 0.12
Na i 568.82 A ± 0.07 ∓ 0.01 ∓ 0.08 0.04 0.02 0.12
B ± 0.07 ∓ 0.01 ∓ 0.08 0.04 0.03 0.12
C ± 0.07 ∓ 0.01 ∓ 0.08 0.04 0.06 0.13
Mg i 769.16 A ± 0.03 ∓ 0.01 ∓ 0.05 0.03 0.02 0.07
B ± 0.03 ∓ 0.01 ∓ 0.05 0.03 0.03 0.07
C ± 0.03 ∓ 0.01 ∓ 0.05 0.03 0.04 0.08
K i 769.89 A ± 0.07 ∓ 0.00 ∓ 0.14 0.04 0.02 0.16
B ± 0.07 ∓ 0.00 ∓ 0.14 0.04 0.03 0.16
C ± 0.07 ∓ 0.00 ∓ 0.14 0.04 0.05 0.17

Notes. The sign ± or reflects the change in the elemental abundance which occurs due to increase (top sign) or decrease (bottom sign) in a given atmospheric parameter. For example, increase in the effective temperature leads to an increase in the abundance (±) while increasing microturbulence velocity results in decreasing abundance ().

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