Free Access

Table 1

The X-ray sources detected by our analysis towards the Fornax dSph.

Src # RA Dec Err H R1 H R2 2MASS USNO-B1
(J2000) (J2000) (arcsec) ( × 10-14 cgs) (arcsec) (arcsec)

1 E 2 40 50.8 –34 27 24.9 3.2 –0.17  ±  0.28 –0.59  ±  0.38 0.22  ±  0.16 1.5
2 E 2 39 54.5 –34 30 41.2 2.6 –0.16  ±  0.33 –0.19  ±  0.33 0.28  ±  0.22
3 E 2 39 46.9 –34 29 11.2 2.5 –0.50  ±  0.42 0.26  ±  0.41 0.30  ±  0.23
4 E 2 40 47.6 –34 20 11.3 2.8 –0.15  ±  0.41 –0.62  ±  0.39 0.31  ±  0.78 3.3
5 E 2 39 59.3 –34 31 3.6 2.6 –0.14  ±  0.39 0.23  ±  0.37 0.31  ±  0.20
6 E 2 39 56.1 –34 21 16.4 2.8 –0.18  ±  0.37 –0.32  ±  0.38 0.35  ±  0.29 0.9 0.9
7 (*) E 2 40 32.0 –34 27 50.9 2.4 0.01  ±  0.19 –0.81  ±  0.25 0.36  ±  0.26
8 C 2 39 39.4 –34 22 58.0 2.4 –0.07  ±  0.40 –0.07  ±  0.36 0.37  ±  0.31
9 G 2 39 55.6 –34 25 53.8 2.7 0.03  ±  0.37 0.18  ±  0.35 0.41  ±  0.22
10 D 2 39 39.1 –34 32 21.9 2.3 –0.32  ±  0.27 –0.33  ±  0.29 0.46  ±  0.40 1.0 1.4
11 E 2 39 56.3 –34 22 33.4 2.7 0.18  ±  0.31 0.04  ±  0.28 0.49  ±  0.21
12 E 2 39 34.9 –34 33 29.6 2.8 0.03  ±  0.32 –0.27  ±  0.31 0.52  ±  0.48
13 E 2 39 28.5 –34 22 29.5 2.8 0.28  ±  0.43 0.26  ±  0.33 0.55  ±  0.48
14 G 2 39 50.2 –34 33 60.0 2.1 –0.01  ±  0.35 –0.05  ±  0.30 0.75  ±  0.73
15 A 2 40 20.4 –34 24 25.5 2.1 –0.10  ±  0.23 –0.12  ±  0.23 0.75  ±  0.32
16 D 2 40 21.5 –34 23 47.1 2.3 –0.05  ±  0.29 –0.05  ±  0.27 0.83  ±  0.40
17 D 2 40 38.0 –34 36 0.3 2.2 –0.09  ±  0.44 –0.01  ±  0.33 0.84  ±  0.81
18 E 2 40 19.3 –34 19 0.2 2.5 –0.06  ±  0.29 –0.19  ±  0.26 0.84  ±  0.52
19 (*) E 2 40 27.0 –34 30 24.3 2.4 0.06  ±  0.24 –0.23  ±  0.24 0.85  ±  0.39 1.3 1.7
20 A 2 39 38.5 –34 30 14.0 2.3 –0.18  ±  0.28 –0.24  ±  0.27 0.87  ±  0.50
21 D 2 40 46.0 –34 21 28.8 2.5 0.05  ±  0.42 –0.30  ±  0.39 0.92  ±  0.83
22 A 2 40 12.3 –34 29 0.1 2.3 –0.15  ±  0.32 0.03  ±  0.29 0.93  ±  0.47
23 D 2 39 17.7 –34 16 53.9 2.3 –0.33  ±  0.39 0.14  ±  0.30 0.95  ±  0.83
24 G 2 38 58.1 –34 29 22.0 2.2 –0.28  ±  0.47 0.13  ±  0.36 0.95  ±  1.15
25 E 2 39 54.5 –34 22 6.7 2.5 0.10  ±  0.29 0.02  ±  0.24 0.96  ±  0.36
26 E 2 39 4.1 –34 37 22.7 2.5 –0.31  ±  0.26 –0.24  ±  0.25 0.98  ±  0.75
27 C 2 39 32.4 –34 29 51.8 2.2 –0.11  ±  0.25 –0.37  ±  0.29 0.99  ±  0.50
28 A 2 40 8.8 –34 31 36.4 2.2 –0.16  ±  0.22 –0.06  ±  0.21 1.01  ±  0.40
29 E 2 39 50.7 –34 40 36.3 2.3 0.05  ±  0.18 –0.93  ±  0.21 1.03  ±  0.92
30 G 2 40 25.9 –34 19 58.9 2.4 0.07  ±  0.47 0.43  ±  0.38 1.04  ±  0.70
31 C 2 40 18.9 –34 27 23.3 2.4 0.16  ±  0.30 0.10  ±  0.22 1.10  ±  0.44
32 E 2 39 33.2 –34 26 41.4 2.7 0.42  ±  0.36 0.10  ±  0.28 1.10  ±  0.44
33 D 2 39 20.2 –34 27 16.0 2.2 –0.08  ±  0.20 –0.25  ±  0.22 1.12  ±  0.52
34 A 2 39 41.4 –34 24 45.5 2.2 –0.12  ±  0.36 0.09  ±  0.30 1.22  ±  0.67
35 D 2 40 30.4 –34 32 46.5 2.5 0.09  ±  0.32 –0.08  ±  0.26 1.26  ±  0.70
36 E 2 40 35.1 –34 36 28.8 2.5 0.16  ±  0.36 –0.45  ±  0.35 1.26  ±  1.02
37 A 2 40 11.2 –34 30 51.4 2.2 –0.01  ±  0.24 0.02  ±  0.22 1.27  ±  0.45
38 A 2 39 37.7 –34 36 56.8 2.3 –0.21  ±  0.27 –0.08  ±  0.23 1.33  ±  0.63
39 A 2 40 4.5 –34 28 55.1 2.3 –0.27  ±  0.14 –0.17  ±  0.15 1.41  ±  0.37
40 C 2 39 18.8 –34 26 43.4 2.5 0.08  ±  0.28 –0.11  ±  0.25 1.45  ±  0.72 2.5 2.0
41 (*) A 2 39 25.5 –34 17 35.0 2.1 –0.05  ±  0.18 –0.73  ±  0.22 1.51  ±  1.11 2.4 2.0
42 A 2 40 33.4 –34 25 12.6 2.2 0.03  ±  0.26 0.00  ±  0.21 1.62  ±  0.65
43 E 2 40 3.4 –34 21 5.3 2.1 –0.16  ±  0.13 –0.15  ±  0.12 1.63  ±  0.41
44 E 2 40 1.5 –34 17 51.0 2.3 0.01  ±  0.21 –0.07  ±  0.18 1.70  ±  0.67
45 E 2 40 32.4 –34 18 1.9 2.6 0.36  ±  0.39 0.25  ±  0.32 1.73  ±  0.85
46 A 2 40 19.6 –34 32 52.7 2.1 –0.16  ±  0.17 –0.19  ±  0.17 1.76  ±  0.70 0.1 1.1
47 E 2 39 28.5 –34 33 20.0 4.4 –0.03  ±  0.31 –0.51  ±  0.33 1.79  ±  1.50
48 A 2 40 25.9 –34 33 28.2 2.1 –0.14  ±  0.12 –0.55  ±  0.15 1.86  ±  0.71 1.4 1.4
49 D 2 38 55.4 –34 30 0.3 2.6 –0.07  ±  0.28 –0.16  ±  0.25 1.89  ±  1.18
50 D 2 39 35.0 –34 32 7.8 2.2 –0.06  ±  0.22 –0.02  ±  0.18 1.95  ±  0.87
51 D 2 39 37.7 –34 19 58.1 2.4 0.61  ±  0.31 0.13  ±  0.22 1.99  ±  0.80
52 G 2 39 44.5 –34 18 27.6 2.2 –0.32  ±  0.18 –0.02  ±  0.17 2.00  ±  0.71
53 F 2 39 25.5 –34 21 21.3 2.3 –0.08  ±  0.35 –0.15  ±  0.34 2.01  ±  1.25 1.9
54 E 2 40 19.0 –34 34 43.8 2.4 0.26  ±  0.28 0.00  ±  0.17 2.02  ±  0.80
55 D 2 39 5.1 –34 18 52.9 2.3 0.13  ±  0.33 –0.68  ±  0.37 2.12  ±  1.82 0.7
56 D 2 40 37.5 –34 24 3.6 2.3 0.05  ±  0.21 –0.09  ±  0.18 2.12  ±  0.74
57 G 2 39 38.6 –34 20 21.6 2.1 0.27  ±  0.39 –0.26  ±  0.35 2.16  ±  1.15 2.2
58 E 2 39 13.4 –34 22 38.8 2.6 –0.03  ±  0.30 0.10  ±  0.21 2.21  ±  0.97
59 C 2 39 43.7 –34 30 40.5 2.3 0.48  ±  0.29 0.26  ±  0.20 2.25  ±  0.65
60 E 2 38 57.2 –34 26 30.0 2.7 0.20  ±  0.38 0.14  ±  0.25 2.26  ±  1.40
61(V) A 2 39 41.4 –34 33 38.0 2.1 –0.10  ±  0.16 –0.20  ±  0.17 2.28  ±  0.71
62 G 2 40 47.3 –34 29 7.7 2.0 0.64  ±  0.30 0.17  ±  0.18 2.31  ±  1.28
63 A 2 40 45.6 –34 33 50.1 2.1 –0.16  ±  0.26 0.00  ±  0.19 2.36  ±  1.25
64 E 2 39 33.0 –34 21 11.1 2.6 0.46  ±  0.27 0.05  ±  0.19 2.46  ±  0.74
65 A 2 40 43.4 –34 25 16.7 2.2 –0.10  ±  0.20 –0.19  ±  0.19 2.48  ±  1.02 2.4
66 A 2 39 58.0 –34 28 17.0 2.1 0.21  ±  0.23 0.36  ±  0.16 2.52  ±  0.57
67 B 2 40 29.4 –34 25 10.3 2.1 0.12  ±  0.30 0.37  ±  0.22 2.53  ±  0.91
68 E 2 38 58.1 –34 34 2.5 3.0 0.10  ±  0.38 –0.13  ±  0.26 2.64  ±  1.85
69 B 2 40 58.6 –34 23 56.6 2.3 –0.12  ±  0.19 –0.31  ±  0.22 2.67  ±  1.05 0.6
70 D 2 40 52.0 –34 29 45.7 2.1 0.30  ±  0.37 –0.06  ±  0.24 2.68  ±  1.26
71 G 2 39 58.5 –34 13 49.7 2.2 0.07  ±  0.32 0.13  ±  0.24 2.76  ±  1.61
72 B 2 40 58.0 –34 30 9.5 2.1 0.03  ±  0.29 –0.09  ±  0.25 2.99  ±  1.62
73 D 2 39 48.5 –34 17 16.6 2.3 0.24  ±  0.30 0.36  ±  0.22 3.01  ±  1.01 2.0
74 D 2 39 40.4 –34 20 2.5 2.2 –0.05  ±  0.18 0.17  ±  0.15 3.33  ±  0.87
75 A 2 39 52.6 –34 34 26.2 2.3 –0.11  ±  0.23 0.03  ±  0.19 3.58  ±  1.19 1.1 0.7
76 G 2 41 2.6 –34 28 48.8 2.1 0.01  ±  0.41 0.45  ±  0.29 3.81  ±  2.00 1.4
77 B 2 39 13.2 –34 17 28.9 2.2 –0.05  ±  0.34 0.18  ±  0.28 3.87  ±  2.12
78 G 2 41 3.8 –34 29 9.4 2.1 –0.04  ±  0.32 –0.05  ±  0.25 3.96  ±  2.09
79 A 2 40 8.6 –34 23 21.6 2.1 –0.10  ±  0.11 –0.03  ±  0.10 4.09  ±  0.64
80 A 2 39 43.2 –34 33 37.5 2.1 0.21  ±  0.22 0.33  ±  0.16 4.17  ±  1.05
81 D 2 39 14.4 –34 34 0.1 2.3 0.80  ±  0.23 0.01  ±  0.14 4.39  ±  1.62
82 (*) A 2 39 34.0 –34 21 51.1 2.0 –0.24  ±  0.09 –0.27  ±  0.09 4.41  ±  0.66 0.4 0.8
83 A 2 39 21.4 –34 34 26.7 2.2 0.04  ±  0.25 0.20  ±  0.20 4.45  ±  1.68
84 A 2 40 33.7 –34 27 3.7 2.1 –0.22  ±  0.07 –0.44  ±  0.09 4.71  ±  0.63 1.7 1.7
85 A 2 40 32.1 –34 36 39.2 2.1 0.03  ±  0.24 0.29  ±  0.18 4.96  ±  1.77
86 A 2 39 43.9 –34 26 15.9 2.2 0.79  ±  0.21 0.00  ±  0.14 5.12  ±  0.97 0.7 1.2
87 C 2 39 49.2 –34 32 35.2 2.1 0.11  ±  0.16 0.06  ±  0.12 5.39  ±  1.16
88 D 2 39 3.6 –34 24 40.2 2.4 0.25  ±  0.32 0.25  ±  0.23 5.91  ±  2.53
89 E 2 38 56.5 –34 32 14.3 2.5 0.24  ±  0.25 0.15  ±  0.17 6.09  ±  1.96
90 E 2 39 3.5 –34 36 39.1 2.1 –0.04  ±  0.14 –0.18  ±  0.12 6.28  ±  1.90 1.7
91 F 2 39 17.9 –34 31 59.8 2.2 0.47  ±  0.31 0.04  ±  0.20 6.44  ±  2.18
92 A 2 39 13.0 –34 17 8.3 2.2 –0.12  ±  0.18 –0.09  ±  0.16 6.80  ±  2.37 0.7
93 E 2 39 24.7 –34 32 33.2 3.9 –0.19  ±  0.20 –0.22  ±  0.15 6.87  ±  3.60
94 G 2 40 10.0 –34 12 30.6 2.2 0.11  ±  0.26 0.30  ±  0.19 7.70  ±  2.68
95 A 2 39 8.1 –34 18 20.1 2.1 –0.11  ±  0.17 0.16  ±  0.13 8.06  ±  2.27
96 G 2 39 43.3 –34 14 21.3 2.2 0.13  ±  0.22 0.03  ±  0.16 8.28  ±  2.55
97 A 2 40 8.1 –34 34 19.7 2.0 –0.13  ±  0.08 –0.22  ±  0.08 8.69  ±  1.26 2.2
98 C 2 39 23.4 –34 33 15.8 2.1 0.49  ±  0.16 0.19  ±  0.11 8.87  ±  1.72
99 A 2 39 3.4 –34 31 55.4 2.2 0.40  ±  0.22 0.25  ±  0.14 8.97  ±  2.49 2.0
100 G 2 40 14.6 –34 12 59.9 2.2 –0.17  ±  0.12 –0.26  ±  0.13 10.04  ±  2.98
101 A 2 39 12.4 –34 18 16.9 2.1 –0.06  ±  0.13 0.12  ±  0.10 10.05  ±  2.19
102 A 2 39 15.3 –34 35 28.3 2.0 –0.05  ±  0.12 –0.06  ±  0.10 10.70  ±  2.34 2.0 1.6
103 G 2 39 49.2 –34 14 19.2 2.1 0.04  ±  0.13 –0.16  ±  0.12 11.69  ±  2.59
104 D 2 39 49.0 –34 19 58.8 2.0 –0.10  ±  0.05 –0.27  ±  0.05 12.58  ±  1.01 1.7
105 A 2 39 32.8 –34 25 25.1 2.0 –0.10  ±  0.05 –0.18  ±  0.06 13.14  ±  1.05 1.2
106 E 2 40 39.0 –34 38 58.6 2.0 0.00  ±  0.05 –0.20  ±  0.06 23.52  ±  2.34 2.4
107 (*)M A 2 40 19.0 –34 37 19.9 2.0 –0.05  ±  0.07 –0.08  ±  0.07 24.79  ±  3.06 0.5 1.0

Notes. 

(*)

An asterix close to the X-ray source label means that the source is possibly associated (within 1σ) with a counterpart found in the position and proper motions extended catalog (PPMX, see Roeser et al. 2008), thus implying a possible foreground source.

(V)

When correlating the X-ray sources with the available catalogs, we found that source number 61 is possibly associated, within 2.0″, to one (J023941.4-343340) belonging to a catalog of variable stars (Bersier & Wood 2002), see text for details.

(M)

The X-ray source labeled as 107 also correlates (within 1.0″) with a source in the 2MASX (Skrutskie et al. 2006) and is possibly associated to a background AGN (QJ0240-3437, see also Mendez et al. (2011) where this quasar has been considered as a reference object for measuring the proper motion of sources belonging to the Fornax dSph). As a consequence, source 107 may have been erroneously reported in the PPMX catalog (source labeled as 024019.0-343719).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.