Table 2: Coordinates of the detected X-ray point sources with their individual count rates for each of the three detectors, in the 0.4-10 keV range. A missing value means the source is in a gap or out of the field-of-view for this particular detector. The Hardness Ratios ( HRs) were evaluated on the EPIC pn data. The right-hand side of the table shows the results of the correlation with the GSC 2.2 catalog, the 2MASS All-Sky Catalog of Point Sources, and the USNO B1.0 catalog. In these last columns, No. represents the number of counterparts in the correlation region, while d corresponds to the distance between the X-ray source and its counterpart, if unique.
N Name CR MOS1 CR MOS2 CR pn HR1 HR2 GSC 2.2 2MASS USNO B1.0
    10-3 cts s-1 10-3 cts s-1 10-3 cts s-1     No. d('') R B No. d('') J H K No. d('') B1 R1 B2 R2 I
1 XMMU J045349.8-661928     9.9 $\pm$ 1.6 0.44 $\pm$ 0.14 -0.07 $\pm$ 0.19 1 2.9   18.6 0         1 3.7     18.4 18.9  
2 XMMU J045404.6-661657     9.1 $\pm$ 1.5 0.26 $\pm$ 0.14 -0.41 $\pm$ 0.25 1 3.4 17.9   0         1 2.1   17.2 18.1 16.9 17.1
3 XMMU J045423.4-663349 2.4 $\pm$ 0.7 1.1 $\pm$ 0.5 3.9 $\pm$ 1.0 0.30 $\pm$ 0.25 -0.22 $\pm$ 0.34 1 3.4   13.8 0         1 3.8   18.5 18.1 18.6  
4 XMMU J045427.5-662522a 2.2 $\pm$ 0.6 1.9 $\pm$ 0.5       0       0         2            
5 XMMU J045429.4-661510     15.6 $\pm$ 2.2 0.32 $\pm$ 0.14 -0.05 $\pm$ 0.17 0       0         0            
6 XMMU J045434.2-661537 2.9 $\pm$ 0.9   4.7 $\pm$ 1.2 -0.12 $\pm$ 0.29 0.35 $\pm$ 0.28 0       0         1 2.9   18.6 20.1 18.6  
7 XMMU J045446.4-662004 5.9 $\pm$ 0.7 7.4 $\pm$ 0.8 16.8 $\pm$ 1.4 0.51 $\pm$ 0.09 0.18 $\pm$ 0.08 1 1.0 18.2 17.9 0         4            
8 XMMU J045448.9-663120 1.7 $\pm$ 0.5 2.3 $\pm$ 0.5 6.5 $\pm$ 0.9 0.27 $\pm$ 0.18 0.14 $\pm$ 0.14 0       0         0            
9 XMMU J045454.6-663733 2.4 $\pm$ 0.7 1.9 $\pm$ 0.7 7.5 $\pm$ 1.3 0.19 $\pm$ 0.28 0.42 $\pm$ 0.17 0       0         1 4.1   18.4 20.5 18.2 17.7
10 XMMU J045501.8-663123 0.8 $\pm$ 0.3 1.1 $\pm$ 0.3 5.3 $\pm$ 0.7 -0.27 $\pm$ 0.12 -0.86 $\pm$ 0.24g 1 1.7 14.4   1 1.8 13.9 13.5 13.4 2            
11 XMMU J045502.0-663147 1.7 $\pm$ 0.4 1.4 $\pm$ 0.3 3.1 $\pm$ 0.7 0.64 $\pm$ 0.29e 0.00 $\pm$ 0.21 1 0.3 17.5   0         0            
12 XMMU J045502.2-663349 0.9 $\pm$ 0.4 1.1 $\pm$ 0.4 3.1 $\pm$ 0.8 0.22 $\pm$ 0.53e 0.57 $\pm$ 0.21 1 3.0   18.0 0         1 2.8     17.5 18.1  
13 XMMU J045509.0-663018   1.9 $\pm$ 0.4 3.9 $\pm$ 0.6 1.00 $\pm$ 0.09e 0.43 $\pm$ 0.13 1 0.9 17.3   1 1.4 16.0 15.2 15.3 1 1.7   16.7 15.8 16.7  
14 XMMU J045513.4-663225 1.9 $\pm$ 0.4 1.4 $\pm$ 0.3 3.6 $\pm$ 0.7 0.52 $\pm$ 0.38e 0.43 $\pm$ 0.16 0       0         1 4.2   17.4 15.7 17.8  
15 XMMU J045515.1-663039 2.2 $\pm$ 0.5 3.4 $\pm$ 0.9 4.6 $\pm$ 0.7 0.77 $\pm$ 0.21e 0.08 $\pm$ 0.14 0       0         0            
16 XMMU J045517.8-661736 3.5 $\pm$ 0.6 4.6 $\pm$ 0.7 8.6 $\pm$ 1.0 0.45 $\pm$ 0.14 0.01 $\pm$ 0.13 0       0         0            
17 XMMU J045524.6-662224 1.7 $\pm$ 0.3 2.3 $\pm$ 0.3 4.7 $\pm$ 0.7 0.77 $\pm$ 0.16 -0.23 $\pm$ 0.14 0       0         0            
18 XMMU J045533.8-663015 0.7 $\pm$ 0.2 0.6 $\pm$ 0.2 1.4 $\pm$ 0.4   0.89 $\pm$ 0.21e,f 0       0         0            
19 XMMU J045534.9-661525b 3.2 $\pm$ 0.5 4.8 $\pm$ 0.7 12.6 $\pm$ 1.2 -0.72 $\pm$ 0.06 -1.00 $\pm$ 0.28g 1 1.0   11.5 1 1.2 9.2 8.7 8.7 1 1.0 11.4 10.1 10.9 10.1 9.8
20 XMMU J045536.4-662526 0.6 $\pm$ 0.2 1.0 $\pm$ 0.2 2.6 $\pm$ 0.4 1.00 $\pm$ 0.12e 0.21 $\pm$ 0.16 0       0         1 4.4     20.2   17.4
21 XMMU J045538.8-662549 1.1 $\pm$ 0.2 1.4 $\pm$ 0.2 2.3 $\pm$ 0.6 1.00 $\pm$ 0.15e -0.05 $\pm$ 0.26 0       0         0            
22 XMMU J045539.6-662959 5.6 $\pm$ 0.5 5.6 $\pm$ 0.5 17.4 $\pm$ 1.1 0.14 $\pm$ 0.08 -0.02 $\pm$ 0.07 1 2.9 16.4   0         2            
23 XMMU J045554.7-662715 1.8 $\pm$ 0.3 1.9 $\pm$ 0.3 5.6 $\pm$ 0.6 0.48 $\pm$ 0.15 -0.06 $\pm$ 0.11 0       0         0            
24 XMMU J045555.0-661701 0.9 $\pm$ 0.3 0.9 $\pm$ 0.4 4.4 $\pm$ 0.8 -0.35 $\pm$ 0.14 -0.31 $\pm$ 0.34 0       1 0.8 15.1 14.5 14.2 0            
25 XMMU J045619.2-662631 0.9 $\pm$ 0.2 0.9 $\pm$ 0.3 2.0 $\pm$ 0.5 0.46 $\pm$ 0.39e 0.04 $\pm$ 0.22 0       0         0            
26 XMMU J045624.3-662205 2.8 $\pm$ 0.4 3.0 $\pm$ 0.4 8.0 $\pm$ 0.8 0.06 $\pm$ 0.12 -0.17 $\pm$ 0.10 0       0         0            
27 XMMU J045629.7-662701c 0.5 $\pm$ 0.2 0.7 $\pm$ 0.3 2.0 $\pm$ 0.5 0.49 $\pm$ 0.49e 0.30 $\pm$ 0.21 0       0         2            
28 XMMU J045632.2-661908 0.8 $\pm$ 0.3 0.4 $\pm$ 0.3 2.4 $\pm$ 0.6 1.00 $\pm$ 0.31e 0.05 $\pm$ 0.24 0       0         0            
29 XMMU J045637.1-661828 0.7 $\pm$ 0.3 1.4 $\pm$ 0.4 4.5 $\pm$ 0.7 0.25 $\pm$ 0.25 0.22 $\pm$ 0.16 0       0         1 2.9   16.9 15.0   17.2
30 XMMU J045706.7-662705 0.8 $\pm$ 0.4 1.1 $\pm$ 0.3 3.4 $\pm$ 0.7 0.41 $\pm$ 0.25 -0.16 $\pm$ 0.21 1 3.5 16.3   0         2            
31 XMMU J045727.9-662234 1.3 $\pm$ 0.4 1.5 $\pm$ 0.4 4.8 $\pm$ 0.9 0.67 $\pm$ 0.27e 0.49 $\pm$ 0.13 0       0         0            
32 XMMU J045728.1-663302 2.8 $\pm$ 0.5   8.1 $\pm$ 1.2 1.00 $\pm$ 0.41e 0.57 $\pm$ 0.11 1 2.5 16.4   0         0            
33 XMMU J045729.2-662256 1.1 $\pm$ 0.4 1.5 $\pm$ 0.4 2.7 $\pm$ 0.7 1.00 $\pm$ 0.25e 0.41 $\pm$ 0.23 0       0         0            
34 XMMU J045732.2-662856 1.5 $\pm$ 0.4 0.7 $\pm$ 0.3 3.9 $\pm$ 0.9 0.27 $\pm$ 0.31 0.24 $\pm$ 0.22 0       0         0            
35 XMMU J045744.1-662741d 3.9 $\pm$ 0.6 2.5 $\pm$ 0.5 10.4 $\pm$ 1.2 -0.15 $\pm$ 0.11 -1.00 $\pm$ 0.14g 1 0.9   11.8 1 1.2 11.9 12.0 11.9 1 0.9 12.1 13.0 12.7 13.1 13.3
36 XMMU J045749.2-662726 1.6 $\pm$ 0.4 0.5 $\pm$ 0.3 3.1 $\pm$ 1.0 0.00 $\pm$ 0.39 0.28 $\pm$ 0.35 0       0         0            
37 XMMU J045749.2-662210 1.4 $\pm$ 0.4   5.1 $\pm$ 1.0 0.56 $\pm$ 0.26 0.28 $\pm$ 0.17 0       0         0            
aThis source corresponds to BSDL 188 (see Fig. 7 and Sect. 3.5). An infrared source, IRAS 04543-6629, is situated at 4 $.\!\!^{\prime\prime}$1 from the X-ray source, and may be coincident with it.
bThis source corresponds to HD 268670 (B=11.3, V=10.49, spectral type K0).
cPGMW 2088 (B=18.6, V=18.8) lies at 1 $.\!\!^{\prime\prime}$9 from this source.
dThis source corresponds to the tight cluster HD 268743 (Sk-66$^{\circ}$41, B=11.6, V=11.7, combined spectral type O3V((f*))+OB).
eFor this source, the count rate in the soft band is, within the errors, close to zero.
fFor this source, the count rate in the medium band is, within the errors, close to zero.
gFor this source, the count rate in the hard band is, within the errors, close to zero.

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