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Table 4:

Magnitudes and UVOT positions of the newly identified optical and UV counterparts in the USNO-B1.0 catalogue (I, R, and B bands) and Swift/UVOT detector (V, B, U, UVW1, UVM2, and UVW2 bands).

Name
USNO B1.0 UVOT position $^{\dagger,a}$ Magnitudesa,b
(IGR)   RA Dec I R V Bc U UVW1 UVM2 UVW2
J02086-1742 0723-0034272 02h08m34.9s -17$^\circ$39$^\prime $34.8 $^{\prime\prime}$ 14.2 15.0 - 16.4 $14.53\pm0.03$ - - -
J02524-0829$^\P$ 0814-0027101$^{\star}$ 02h52m23.4s -08$^\circ$30$^\prime $37.8 $^{\prime\prime}$ 10.7 11.3 - 11.4 $16.88\pm0.03$ - $18.93\pm0.05$ -
J08023-6954 0201-0188880 08h02m41.6s -69$^\circ$53$^\prime $38.0 $^{\prime\prime}$ 12.9 14.3 - 15.6 - $18.29\pm0.08$$^{\ddagger}$ $20.75\pm0.37$ $19.3\pm0.15$$^{\ddagger}$
J11427+0854 No counterpart 11h42m27.2s 8$^\circ$54$^\prime $47.9 $^{\prime\prime}$ - - - - - $18.86\pm0.07$$^{\ddagger}$ $19.06\pm0.06$ -
J11457-1827 0715-0241351$^{\star}$ - - 11.2 10.5 - 10.6 - - - -
J12060+3818 1282-0243241 12h06m17.4s 38$^\circ$12$^\prime $35.3 $^{\prime\prime}$ 18.4 18.9 $18.7\pm0.2$ $19.0\pm0.1$ $18.47\pm0.09$ $18.07\pm0.07$ $17.97\pm0.07$ $18.47\pm0.06$
J12070+2535$^\P$ 1156-0188536$^{\star}$ 12h07m05.3s 25$^\circ$39$^\prime $06.5 $^{\prime\prime}$ 16.4 16.1 $17.5\pm0.1$ $18.2\pm0.1$ $17.9\pm0.1$ $18.6\pm0.1$ $18.9\pm0.2$ $19.1\pm0.1$
J13042-1020 #1 $^{\ddagger,\P}$ 0796-0240939 13h04m14.3s -10$^\circ$20$^\prime $21.1 $^{\prime\prime}$ 6.7 11.2 $14.35\pm0.01$ $15.33\pm0.01$ $15.66\pm0.02$ $16.80\pm0.02$ $17.55\pm0.03$ $17.41\pm0.02$
J13412+3022$^\P$ 1203-0214236$^{\star}$ 13h41m11.2s 30$^\circ$22$^\prime $41.5 $^{\prime\prime}$ 9.2 9.7 $14.96\pm0.03$ $15.91\pm0.03$ $16.15\pm0.04$ $16.93\pm0.07$ $17.29\pm0.05$ $17.38\pm0.05$
J15283-4443 7847-00975-1 15h28m16.0s -44$^\circ$43$^\prime $42.0 $^{\prime\prime}$ 9.9 10.3 Detector saturated $12.58\pm0.04$ $13.06\pm0.04$ $13.25\pm0.04$
J23130+8608 1760-0040693 23h08m59.8s 86$^\circ$05$^\prime $53.0 $^{\prime\prime}$ 12.8 14.4 - 16.3 $17.51\pm0.03$ $18.69\pm0.16$ $21.15\pm0.21$ -

Notes.  $^{(\dagger)}$ UVOT positional accuracy dominated by a statistical uncertainty of 1.1 $^{\prime\prime}$. $^{(\P)}$ UVOT source (possibly) extended; UVOT magnitudes not calculated over the extension of the source. $^{(\ddagger)}$ UVOT magnitudes averaged over multiple pointings. $^{(\star)}$ Multiple USNO-B1.0 sources in XRT error circle. This is the closest to the IR source. (a) The long dashes indicate the absence of corresponding data. (b) Magnitudes with no errors are obtained from the USNO B1.0 catalogue and have a typical uncertainty of 0.3 mag. (c) Obtained from the UVOT detectors when available.


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