Table 5: Chemical composition of V 2052 Oph. Column 2 gives the number N of lines for each ion, used to determine the chemical abundance.
Ion N log( $\epsilon_N/\epsilon_{\odot}$ )

He I 4 0.32 $\pm$ 0.05

C II 3 -0.13 $\pm$ 0.04

N II 6 0.10 $\pm$ 0.06

O II 4 -0.31 $\pm$ 0.11

Si II+III 5 0.01 $\pm$ 0.10

**Table 5:** Chemical composition of V 2052 Oph. Column 2 gives the number N of lines for each ion, used to determine the chemical abundance.
Ion	N	log( $\epsilon_N/\epsilon_{\odot}$ )
He I	4	0.32	$\pm$ 0.05
C II	3	-0.13	$\pm$ 0.04
N II	6	0.10	$\pm$ 0.06
O II	4	-0.31	$\pm$ 0.11
Si II+III	5	0.01	$\pm$ 0.10

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