Table 1: Emission-line measurements of X-ray selected QSO2s at z > 1.2.
Object Redshift Ly $\alpha\lambda$ 1216^a N V $\lambda$ 1240^a C IV $\lambda$ 1549^a He II $\lambda$ 1640^a C III] $\lambda$ 1909^a

CDFS-027 3.064 12.6 $\pm$ 0.7 2.5 $\pm$ 0.7 6.4 $\pm$ 0.5 2.3 $\pm$ 0.9 <2.9^c

CDFS-031 1.603 -- -- 24.1 $\pm$ 1.4 13.3 $\pm$ 1.2 10.3 $\pm$ 1.3

CDFS-057 2.562 112.2 $\pm$ 1.3 8.4 $\pm$ 1.4 17.8 $\pm$ 0.8 7.6 $\pm$ 0.8 13.3 $\pm$ 0.9

CDFS-112a 2.940 58.3 $\pm$ 0.5 14.6 $\pm$ 0.8 15.2 $\pm$ 1.0 8.9 $\pm$ 0.9 4.5 $\pm$ 0.8

CDFS-153 1.536 -- -- 25.5 $\pm$ 1.4 6.2 $\pm$ 1.1 13.7 $\pm$ 1.6

CDFS-202 3.700 78.1 $\pm$ 1.0 26.8 $\pm$ 1.1 38.9 $\pm$ 1.2 19.7 $\pm$ 1.5 <12.9^c

CDFS-263b 3.660 70.9 $\pm$ 0.7 4.6 $\pm$ 0.7 15.5 $\pm$ 0.8 <4.0^c <7.6^c

CDFS-531 1.544 -- -- 22.0 $\pm$ 1.4 17.4 $\pm$ 1.5 14.4 $\pm$ 1.5

CDFS-901 2.578 37.1 $\pm$ 0.6 6.5 $\pm$ 0.8 19.7 $\pm$ 1.0 <2.8^c 3.3 $\pm$ 0.9

CXO 52^b 3.288 189 $\pm$ 4 6 $\pm$ 1.2^d 35 $\pm$ 2 17 $\pm$ 2 21 $\pm$ 2

^a
Fluxes are in units of 10^-18 erg s^-1 cm^-2.
^b
Data taken from Stern et al. (2002).
^c
3 $\sigma$ upper-limit flux.
^d
The error was assigned by us; see text.

**Table 1:** Emission-line measurements of X-ray selected QSO2s at z > 1.2.
Object	Redshift	Ly $\alpha\lambda$ 1216^a	N V $\lambda$ 1240^a	C IV $\lambda$ 1549^a	He II $\lambda$ 1640^a	C III] $\lambda$ 1909^a
CDFS-027	3.064	12.6 $\pm$ 0.7	2.5 $\pm$ 0.7	6.4 $\pm$ 0.5	2.3 $\pm$ 0.9	<2.9^c
CDFS-031	1.603	--	--	24.1 $\pm$ 1.4	13.3 $\pm$ 1.2	10.3 $\pm$ 1.3
CDFS-057	2.562	112.2 $\pm$ 1.3	8.4 $\pm$ 1.4	17.8 $\pm$ 0.8	7.6 $\pm$ 0.8	13.3 $\pm$ 0.9
CDFS-112a	2.940	58.3 $\pm$ 0.5	14.6 $\pm$ 0.8	15.2 $\pm$ 1.0	8.9 $\pm$ 0.9	4.5 $\pm$ 0.8
CDFS-153	1.536	--	--	25.5 $\pm$ 1.4	6.2 $\pm$ 1.1	13.7 $\pm$ 1.6
CDFS-202	3.700	78.1 $\pm$ 1.0	26.8 $\pm$ 1.1	38.9 $\pm$ 1.2	19.7 $\pm$ 1.5	<12.9^c
CDFS-263b	3.660	70.9 $\pm$ 0.7	4.6 $\pm$ 0.7	15.5 $\pm$ 0.8	<4.0^c	<7.6^c
CDFS-531	1.544	--	--	22.0 $\pm$ 1.4	17.4 $\pm$ 1.5	14.4 $\pm$ 1.5
CDFS-901	2.578	37.1 $\pm$ 0.6	6.5 $\pm$ 0.8	19.7 $\pm$ 1.0	<2.8^c	3.3 $\pm$ 0.9
CXO 52^b	3.288	189 $\pm$ 4	6 $\pm$ 1.2^d	35 $\pm$ 2	17 $\pm$ 2	21 $\pm$ 2

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