**Table 4:** Spectral analysis results.
Name	$\Gamma$	$N_{\rm H}$	$\chi^2_{\nu}$ /d.o.f.	P	$f_{0.5{-}2~\rm keV}$	$f_{2{-}10~\rm keV}$	$L_{2{-}10~\rm keV}$
		10²⁰ cm^-2		%	10^-13 erg cm^-2 s^-1	10^-13 erg cm^-2 s^-1	10⁴⁴ erg s^-1
NEP 1239	$\rm 1.76^{+0.10}_{-0.10}$	<9	1.03/51	40	$0.61\pm 0.1$	$1.01\pm 0.1$	$3.1\pm 0.3$
NEP 1640	$\rm 1.88^{+0.09}_{-0.09}$	3-12	0.88/72	75	$0.82\pm 0.1$	$1.14\pm 0.2$	$2.2\pm 0.2$
NEP 2131	$\rm 1.50^{+0.06}_{-0.06}$	<2	1.02/143	41	$1.39\pm 0.1$	$3.4\pm 0.3$	$1.3\pm 0.1$

Unabsorbed fluxes and rest-frame K-corrected luminosities; $N_{\rm H}$ is the range of total absorption
at the quasar redshift, when left free to vary. P is the null hypothesis probability.

Source LaTeX | All tables | In the text

	1 Introduction
	2 The NEP sample of QSO 2 candidates
	3 Observations and data analysis
	4 Discussion and conclusions
	References