Table 4: Summary of the diagnostic parameters.
Source $\alpha_{\rm ox}$ $\alpha_{\rm ro}$ $\alpha_{\rm rx}$ log ( $R_{\rm X}$ )

IGR J18249-3243^a 1.15 0.75 0.86 -1.82

IGR J19443+2117 >1.38 <0.26 0.63 -3.74

IGR J22292+6647 >1.63 <0.32 0.75 -2.74

^a For this source $\alpha_{\rm ox}$ and $\alpha_{\rm ro}$ have been estimated by extrapolating the UVW2 flux to 2500 $\mbox{\AA}$ and using an average UV slope of $\alpha_{\rm uv} =0.4$ (Vanden Berk et al. 2001).

**Table 4:** Summary of the diagnostic parameters.
Source	$\alpha_{\rm ox}$	$\alpha_{\rm ro}$	$\alpha_{\rm rx}$	log ( $R_{\rm X}$ )
IGR J18249-3243^a	1.15	0.75	0.86	-1.82
IGR J19443+2117	>1.38	<0.26	0.63	-3.74
IGR J22292+6647	>1.63	<0.32	0.75	-2.74

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