Table 2: Default and adopted atmospheric parameters with $T_{\rm eff}$ estimated from the Si and Ne ionization balance, respectively (see Sect. 4).
Default $T_{\rm eff}$ Scale Revised $T_{\rm eff}$ Scale

HD Alternative $T_{\rm eff}$ $\log g$ $\xi$ Ref. $T_{\rm eff}$ $\log g$ $\xi$ Ref.

Number ID (K) (cm s^-2) (km s^-1) (K) (cm s^-2) (km s^-1)

886 $\gamma$ Peg 22 500 3.75 $\pm$ 0.15 $\rm 1^{+2}_{-1}$ 1 21 650 3.67 $\pm$ 0.15 $\rm 1^{+2}_{-1}$ 5

16582 $\delta$ Cet 23 000 3.80 $\pm$ 0.15 $\rm 1^{+3}_{-1}$ 1 22 175 3.72 $\pm$ 0.15 $\rm 1^{+3}_{-1}$ 5

29248 $\nu$ Eri 23 500 3.75 $\pm$ 0.15 10 $\pm$ 4 1 22 800 3.68 $\pm$ 0.15 10 $\pm$ 4 5

30836 $\pi^4$ Ori 21 500 3.35 $\pm$ 0.15 8 $\pm$ 4 2 20 675 3.27 $\pm$ 0.15 8 $\pm$ 4 5

35468 $\gamma$ Ori 22 000 3.50 $\pm$ 0.20 13 $\pm$ 5 2 21 175 3.42 $\pm$ 0.20 13 $\pm$ 5 5

36591 ... 27 000 4.00 $\pm$ 0.20 3 $\pm$ 2 2 26 050 3.91 $\pm$ 0.20 3 $\pm$ 2 5

44743 $\beta$ CMa 24 000 3.50 $\pm$ 0.15 14 $\pm$ 3 1 24 000 3.50 $\pm$ 0.15 14 $\pm$ 3 5

46328 $\xi ^1$ CMa 27 500 3.75 $\pm$ 0.15 6 $\pm$ 2 1 26 950 3.70 $\pm$ 0.15 6 $\pm$ 2 5

50707 15 CMa 26 000 3.60 $\pm$ 0.15 7 $\pm$ 3 2 24 000 3.40 $\pm$ 0.15 7 $\pm$ 3 5

51309 $\iota$ CMa 17 500 2.75 $\pm$ 0.15 15 $\pm$ 5 2 16 675 2.67 $\pm$ 0.15 15 $\pm$ 5 5

52089 $\epsilon$ CMa 23 000 3.30 $\pm$ 0.15 16 $\pm$ 4 2 22 200 3.22 $\pm$ 0.15 16 $\pm$ 4 5

129929 V836 Cen 24 500 3.95 $\pm$ 0.20 6 $\pm$ 3 1 23 900 3.89 $\pm$ 0.20 6 $\pm$ 3 5

149438 $\tau$ Sco 31 500 4.05 $\pm$ 0.15 2 $\pm$ 2 3 30 675 3.97 $\pm$ 0.15 2 $\pm$ 2 5

163472 V2052 Oph 23 000 4.00 $\pm$ 0.20 1 ⁺⁴_-1 1 22 175 3.92 $\pm$ 0.20 1 ⁺⁴_-1 5

170580 ... 20 000 4.10 $\pm$ 0.15 1 _-1⁺⁵ 4 19 175 4.02 $\pm$ 0.15 1 _-1⁺⁵ 5

180642 ... 24 500 3.45 $\pm$ 0.15 12 $\pm$ 3 4 24 000 3.40 $\pm$ 0.15 12 $\pm$ 3 5

205021 $\beta$ Cep 26 000 3.70 $\pm$ 0.15 6 $\pm$ 3 1 25 100 3.61 $\pm$ 0.15 6 $\pm$ 3 5

214993 12 Lac 24 500 3.65 $\pm$ 0.15 10 $\pm$ 4 1 23 250 3.53 $\pm$ 0.15 10 $\pm$ 4 5

Notes: The 1- $\sigma$ uncertainty on $T_{\rm eff}$ is 1000 K for all stars.
References. (1) Morel et al. 2006; (2) Morel et al. 2008; (3) Hubrig et al. 2008; (4) Morel & Aerts 2007; (5) this paper.

**Table 2:** Default and adopted atmospheric parameters with $T_{\rm eff}$ estimated from the Si and Ne ionization balance, respectively (see Sect. 4).
	Default $T_{\rm eff}$ Scale	Revised $T_{\rm eff}$ Scale
HD	Alternative	$T_{\rm eff}$	$\log g$	$\xi$	Ref.	$T_{\rm eff}$	$\log g$	$\xi$	Ref.
Number	ID	(K)	(cm s^-2)	(km s^-1)		(K)	(cm s^-2)	(km s^-1)
886	$\gamma$ Peg	22 500	3.75 $\pm$ 0.15	$\rm 1^{+2}_{-1}$	1	21 650	3.67 $\pm$ 0.15	$\rm 1^{+2}_{-1}$	5
16582	$\delta$ Cet	23 000	3.80 $\pm$ 0.15	$\rm 1^{+3}_{-1}$	1	22 175	3.72 $\pm$ 0.15	$\rm 1^{+3}_{-1}$	5
29248	$\nu$ Eri	23 500	3.75 $\pm$ 0.15	10 $\pm$ 4	1	22 800	3.68 $\pm$ 0.15	10 $\pm$ 4	5
30836	$\pi^4$ Ori	21 500	3.35 $\pm$ 0.15	8 $\pm$ 4	2	20 675	3.27 $\pm$ 0.15	8 $\pm$ 4	5
35468	$\gamma$ Ori	22 000	3.50 $\pm$ 0.20	13 $\pm$ 5	2	21 175	3.42 $\pm$ 0.20	13 $\pm$ 5	5
36591	...	27 000	4.00 $\pm$ 0.20	3 $\pm$ 2	2	26 050	3.91 $\pm$ 0.20	3 $\pm$ 2	5
44743	$\beta$ CMa	24 000	3.50 $\pm$ 0.15	14 $\pm$ 3	1	24 000	3.50 $\pm$ 0.15	14 $\pm$ 3	5
46328	$\xi ^1$ CMa	27 500	3.75 $\pm$ 0.15	6 $\pm$ 2	1	26 950	3.70 $\pm$ 0.15	6 $\pm$ 2	5
50707	15 CMa	26 000	3.60 $\pm$ 0.15	7 $\pm$ 3	2	24 000	3.40 $\pm$ 0.15	7 $\pm$ 3	5
51309	$\iota$ CMa	17 500	2.75 $\pm$ 0.15	15 $\pm$ 5	2	16 675	2.67 $\pm$ 0.15	15 $\pm$ 5	5
52089	$\epsilon$ CMa	23 000	3.30 $\pm$ 0.15	16 $\pm$ 4	2	22 200	3.22 $\pm$ 0.15	16 $\pm$ 4	5
129929	V836 Cen	24 500	3.95 $\pm$ 0.20	6 $\pm$ 3	1	23 900	3.89 $\pm$ 0.20	6 $\pm$ 3	5
149438	$\tau$ Sco	31 500	4.05 $\pm$ 0.15	2 $\pm$ 2	3	30 675	3.97 $\pm$ 0.15	2 $\pm$ 2	5
163472	V2052 Oph	23 000	4.00 $\pm$ 0.20	1 ⁺⁴_-1	1	22 175	3.92 $\pm$ 0.20	1 ⁺⁴_-1	5
170580	...	20 000	4.10 $\pm$ 0.15	1 _-1⁺⁵	4	19 175	4.02 $\pm$ 0.15	1 _-1⁺⁵	5
180642	...	24 500	3.45 $\pm$ 0.15	12 $\pm$ 3	4	24 000	3.40 $\pm$ 0.15	12 $\pm$ 3	5
205021	$\beta$ Cep	26 000	3.70 $\pm$ 0.15	6 $\pm$ 3	1	25 100	3.61 $\pm$ 0.15	6 $\pm$ 3	5
214993	12 Lac	24 500	3.65 $\pm$ 0.15	10 $\pm$ 4	1	23 250	3.53 $\pm$ 0.15	10 $\pm$ 4	5

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