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Table 7:

Results from the abundance analysis of HD 37020 (B0.5 V).

HD 37020 		$T_{\rm eff}$ = 30 500 K, log g = 4.2 dex $\xi_{\rm t}$(Si) = 0.5

Line 		EW $\Delta$EW $\epsilon_{\rm Si}$ $\Delta\epsilon_{\rm Si}$
  (mÅ) (mÅ) (dex) (dex)

SiIII4552 		130 13 7.56 0.27
SiIII4567 110 7 7.54 0.14
SiIII4574 74 9 7.57 0.22
SiIII5739 73 9 7.38 0.19
SiIV4089 104 21 7.29 0.42
SiIV4116 90 8 7.41 0.17
SiIV4212 25 5 7.43 0.21
SiIV4631 47 7 7.55 0.17
  $\epsilon_{\rm Si}$ =  7.47 $\Delta\epsilon_{\rm Si}$($\sigma $) = 0.10
  $\Delta$ $\xi_{\rm t}$(Si) = 0.5 $\Rightarrow$ $\Delta\epsilon_{\rm Si}$( $\xi_{\rm t}$) = 0.04

HD 37020 		$T_{\rm eff}$ = 30500 K, log g = 4.2 dex $\xi_{\rm t}$(O)=6.4
OII3945 56 10 8.75 0.19
OII3954 90 10 8.77 0.15
OII4317 94 10 8.56 0.13
OII4319 106 13 8.73 0.18
OII4366 104 13 8.71 0.19
OII4414 130 10 8.50 0.12
OII4416 119 10 8.68 0.13
OII4452 62 12 8.83 0.21
OII4638 101 10 8.83 0.15
OII4641 141 10 8.73 0.14
OII4661 105 10 8.71 0.15
OII4676 94 12 8.67 0.19
OII6721 61 12 8.77 0.19
OII4076 144 10 8.73 0.15
OII4891 40 8 8.84 0.19
OII4906 48 9 8.63 0.18
OII4941 48 6 8.57 0.12
OII4943 65 8 8.53 0.13
  $\epsilon_{\rm O}$ =  8.70 $\Delta\epsilon_{\rm O}$($\sigma $) = 0.10
  $\Delta$ $\xi_{\rm t}$(O) = 1.6 $\Rightarrow$ $\Delta\epsilon_{\rm O}$( $\xi_{\rm t}$) = 0.07


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