Table 4: Magnitudes and UVOT position of the newly identified optical and UV counterparts in the USNO-B1.0 catalogue (I, R and B bands) and Swift/UVOT detector (V, U, UVW1, UVM2, and UVW2 bands). The B magnitudes are those obtained from the USNO-B1.0 catalogue, except where indicated. The long dashes indicate the absence of corresponding data.
Name Optical counterpart UVOT position Magnitudes
(IGR) (USNO-B1.0) RA Dec I R V B U UVW1 UVM2 UVW2
J03532-6829 0214-0026031 03$^{\rm h}$52$^{\rm m}$57.5$^{\rm s}$ -68$^\circ$ 31$^\prime $ 17.4 $^{\prime\prime}$ 12.7 12.3 - 13.7 - - - $17.28\pm0.02$
J05346-5759 0319-0039890 05$^{\rm h}$34$^{\rm m}$50.6$^{\rm s}$ -58$^\circ$ 01$^\prime $ 40.8 $^{\prime\prime}$ 13.8 15.2 - 14.9 - $13.886\pm0.004$ $13.182\pm0.006$$^\ddagger$ $12.909\pm0.001$$^\ddagger$
J09025-6814 0217-0159098$^\star$ 09$^{\rm h}$02$^{\rm m}$39.5$^{\rm s}$ -68$^\circ$ 13$^\prime $ 38.2 $^{\prime\prime}$ - 8.6 - 9.7 16.6 $16.61\pm0.02$$^\ddagger$ $17.63\pm0.03$ -
J13000+2529 1154-0199710 12$^{\rm h}$59$^{\rm m}$55.3$^{\rm s}$ 25$^\circ$ 28$^\prime $ 10.5 $^{\prime\prime}$ 10.6 11.3 - 13.0 - $15.51\pm0.02$ $17.61\pm0.06$ -
J15161-3827#1 0515-0356635 - - 10.7 10.6 - 10.6 - - - -
#2 0515-0357047 - - 18.2 18.3 - 19.0 - - - -
#3 7822-02179-1 - - 10.9 11.3 - 11.0 - - - -
#4 0515-0356459 - - - 18.5 - 18.9 - - - -
J15479-4529 - 15$^{\rm h}$48$^{\rm m}$14.6$^{\rm s}$ -45$^\circ$ 28$^\prime $ 39.9 $^{\prime\prime}$ - - - - - - - $14.501\pm0.003$$^\ddagger$
J17353-3539 0543-0510755 - - 10.9 - 11.9 - - >20.3 >20.2 -
J17476-2253 0671-0618341 - - 15.3 17.0 - 19.1 - - >19.3 -
J18214-1318 - - - - - >19.3 >19.8$^\diamond$ >19.9 >20.6 >20.5 >20.9
J19267+1325 - 19$^{\rm h}$26$^{\rm m}$27.0$^{\rm s}$ 13$^\circ$ 22$^\prime $ 05.1 $^{\prime\prime}$ - - - - - - - $20.54\pm0.07$
J20286+2544 #1$^\dagger$ 1157-0462303$^\star$ 20$^{\rm h}$28$^{\rm m}$35.1$^{\rm s}$ 25$^\circ$ 43$^\prime $ 59.5 $^{\prime\prime}$ - 10.1 $15.06\pm0.01^\ddagger$ 11.4 $18.03\pm0.05^\ddagger$ $20.5\pm0.1^\ddagger$ >21.1 $20.6\pm0.1^\ast$
#2 1157-0462166 20$^{\rm h}$28$^{\rm m}$28.9$^{\rm s}$ 25$^\circ$ 43$^\prime $ 24.6 $^{\prime\prime}$ 8.9 8.7 $12.897\pm0.007^\ddagger$ 10.3 $15.41\pm0.01^\ddagger$ $16.83 \pm0.02^\ddagger$ >21.1 $19.15\pm0.05^\ddagger$
J23206+6431 1545-0296864 - - 17.9 19.1 - 20.9 >21.1 - - -
$^\ddagger$ Values averaged over multiple pointing; $^\star$ there are two possible USNO-B1.0 sources in the XRT error circle. This is the closest to the IR source; $^\dagger$ the UVOT positional accuracy is dominated by a statistical uncertainty of 1.1 $^{\prime\prime}$; $^\diamond$ B magnitude obtained from Swift/UVOT; $^\ast$ average value obtained with uvotsource.


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