Table 2: Galactic $N_{{\rm H}}$ and corresponding unabsorbed flux in the band 0.1-2 keV for 1 count/s, assuming a thermal bremsstrahlung spectral model with kT = 5 keV.
$N_{{\rm H}}$ (cm^-2) CF (erg cm^-2 count^-1)

$1 \times 10^{20}$ $3.7 \times 10^{-11}$

$2 \times 10^{20}$ $4.1 \times 10^{-11}$

$5 \times 10^{20}$ $4.9 \times 10^{-11}$

$8 \times 10^{20}$ $5.5 \times 10^{-11}$

$3 \times 10^{21}$ $9.3 \times 10^{-11}$

**Table 2:** Galactic $N_{{\rm H}}$ and corresponding unabsorbed flux in the band 0.1-2 keV for 1 count/s, assuming a thermal bremsstrahlung spectral model with kT = 5 keV.
$N_{{\rm H}}$ (cm^-2)	CF (erg cm^-2 count^-1)
$1 \times 10^{20}$	$3.7 \times 10^{-11}$
$2 \times 10^{20}$	$4.1 \times 10^{-11}$
$5 \times 10^{20}$	$4.9 \times 10^{-11}$
$8 \times 10^{20}$	$5.5 \times 10^{-11}$
$3 \times 10^{21}$	$9.3 \times 10^{-11}$

Source LaTeX | All tables | In the text

	1 Introduction
	2 The sample
	3 X-ray characterization
	4 The atlas
	5 Optical observations
	6 Comparison with literature
	7 The log N - log S distribution
	8 Conclusions
	References
	Online Material
	Appendix A: Results of optical observations