**Table 5:** Results of analysis of HR3468. The first column are the TLUSTY atmospheric parameters and abundances obtained following the procedures described in Sects. 2 and 4, the third column are the TLUSTY results using the parameters from Nieva & Przybilla (2007), and the fourth column are those from Nieva & Przybilla. Nieva & Przybilla estimate the $T_{\rm eff}$ from the C II/C III ionisation equilibrium and derive the microturbulence from the carbon lines not the silicon lines, as done in the TLUSTY analysis. Abundances are presented as [X] = 12 + $\log$ ([X/H]) in units of dex.
	HR 3468
	Tlusty		Nieva & Przybilla
$T_{\rm eff}$ (K)	22 800	22 900	22 900
$\log {g}$ (cm s^-2)	3.55	3.60	3.60
$\xi$ (km s^-1)	10 (Si)	5	5 (C)
C II 3921	7.92	8.14	8.34
C II 4267	7.83	7.95	8.33
C II 6578	8.05	8.37	8.40
C II 6582	7.96	8.17	8.40

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