Table 4: Spectral parameters of the 12 sources studied with Swift/XRT.
Name $N_{\rm H}$ $\Gamma$ Flux$^\star$ Lumin.$^\dagger$
(IGR) $\times10^{22}$ cm-2      

J02343+3229		 $2.2\pm0.4$ $1.3\pm0.2$ $1.0\times10^{-11}$ $ 6.7\times10^{42}$
J09523-6231 $\rm 8_{-4}^{+5}$ $\rm 2.3_{-1.1}^{+1.3}$ $ 9.1\times10^{-12}$ $1.5\times10^{43}$
J10147-6354 $\rm 2.0_{-1.1}^{+1.6}$ $\rm 1.7_{-0.8}^{+0.9}$ $2.1\times10^{-12}$ $2.5\times10^{32}$
J11187-5438 $\rm0.28_{-0.07}^{+0.08}$ $1.5\pm0.14$ $3.4\times10^{-12}$ $4.1\times10^{32}$
J13149+4422 $\rm 5.2_{-1.0}^{+1.5}$ $\rm 1.7_{-0.3}^{+0.4}$ $1.2\times10^{-11}$ $4.1\times10^{43}$
J14579-4308 $20\pm4$ $2.9\pm0.6$ $1.8\times10^{-11}$ $1.2\times10^{43}$
J16385-2057 $0.21\pm0.04$ $2.1\pm0.1$ $7.7\times10^{-12}$ $1.4\times10^{43}$
J18490-0000 $5\pm2$ $\rm 1.8_{-0.6}^{+0.7}$ $6.4\times10^{-12}$ $7.6\times10^{32}$
J18559+1535 $0.7\pm0.1$ $1.6\pm0.1$ $1.4\times10^{-11}$ $2.5\times10^{44}$
J19308+0530 <$0.3^\ddag $ $\rm 3.0_{-0.5}^{+1.4}$ $8.2\times10^{-14}$ $9.8\times10^{30}$
J19378-0617 $0.15\pm0.05$ $2.5\pm0.2$ $4.4\times10^{-11}$ $1.3\times10^{43}$
J23524+5842 $\rm 6_{-2}^{+4}$ 2 frozen $2.9\times10^{-12}$ $3.4\times10^{32}$
$^\star$
2-10 keV unabsorbed (erg cm-2 s-1).
$^\dagger$
2-10 keV unabsorbed luminosity (erg s-1).
$^\ddag $
90$\%$ upper limit.


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