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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).
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