Table A.1
UCD and companion properties of all 19 objects for which a faint point source was found within r< 300 pc (see Fig. 9).
| Ref. | Name | Namealt | RA | Dec | VUCD | (V−I) | Vcomp. | dis tcomp | dis t NGC 1399 | r tidal | dist comp / r tidal | v | |
| (h:m:s) | (°:′:′′) | (mag) | (mag) | (mag) | (pc) | (kpc) | pc | (km s-1) | |||||
|
|
|||||||||||||
| a) | UCD-FORS 1 | 1_0630 | 3:38:56.14 | –35:24:49.0 | 20.35 | 1.02 | 25.21 | 108 | 32.86 | 590 | 0.18 | 666 ± 48 | |
| b) | UCD-FORS 13 | Y446 | 3:38:33.82 | –35:25:57.0 | 21.01 | 1.03 | 25.01 | 211 | 8.07 | 119 | 1.77 | 1224 ± 221 | |
| c) | UCD-FORS 13 | Y446 | 3:38:33.82 | –35:25:57.0 | 21.01 | 1.03 | 23.80 | 307 | 8.07 | 119 | 2.58 | 1224 ± 221 | |
| d) | UCD-FORS 13 | Y446 | 3:38:33.82 | –35:25:57.0 | 21.01 | 1.03 | 24.59 | 241 | 8.07 | 119 | 2.03 | 1224 ± 221 | |
| e) | UCD-FORS 20 | 77.002 | 3:38:38.11 | –35:26:46.7 | 21.02 | 1.03 | 24.81 | 119 | 10.32 | 151 | 0.79 | 1788 ± 58 | |
| f) | UCD-FORS 32 | UCD6 | 3:38:05.04 | –35:24:09.7 | 18.93 | 1.13 | 23.20 | 263 | 31.30 | 985 | 0.27 | 1220 ± 45 | |
| g) | UCD-FORS 33 | NTT414 | 3:38:09.72 | –35:23:01.2 | 19.61 | 0.99 | 23.78 | 206 | 31.03 | 686 | 0.30 | 1607 ± 141 | |
| h) | UCD-FORS 35 | UCD32 | 3:38:16.70 | –35:20:23.1 | 20.09 | 0.99 | 23.64 | 278 | 39.24 | 748 | 0.37 | 1439 ± 23 | |
| i) | UCD-FORS 36 | UCDm | 3:38:06.48 | –35:23:03.8 | 20.01 | 1.0 | 25.12 | 283 | 33.53 | 659 | 0.43 | 1442 ± 123 | |
| j) | UCD-FORS 37 | UCD36 | 3:38:23.23 | –35:20:00.6 | 20.22 | 1.12 | 24.62 | 139 | 39.35 | 820 | 0.17 | 1347 ± 61 | |
| k) | UCD-FORS 52 | 2_2127 | 3:38:11.69 | –35:27:16.2 | 20.93 | 1.16 | 23.77 | 154 | 19.53 | 349 | 0.44 | 1443 ± 131 | |
| l) | UCD-FORS 57 | Y3905 | 3:38:23.28 | –35:26:32.7 | 21.27 | 1.09 | 24.62 | 224 | 7.01 | 101 | 2.22 | 1504 ± 12 | |
| m) | UCD-FORS 64 | K1042m | 3:38:36.88 | –35:25:43.8 | 21.37 | 1.23 | 22.71 | 151 | 11.43 | 193 | 0.78 | 1328 ± 90 | |
| n) | UCD-FORS 69 | Y9410 | 3:38:27.35 | –35:25:37.5 | 21.30 | 1.16 | 25.08 | 174 | 8.02 | 127 | 1.37 | 1392 ± 32 | |
| o) | UCD-FORS 70 | Y4081 | 3:38:26.63 | –35:25:34.0 | 21.39 | 1.22 | 25.50 | 100 | 8.56 | 143 | 0.70 | 1442 ± 22 | |
| p) | UCD-FORS 71 | Y10048 | 3:38:35.23 | –35:25:39.2 | 21.57 | 1.09 | 25.11 | 63 | 10.34 | 136 | 0.46 | 1602 ± 30 | |
| q) | UCD-FORS 76 | 80.039 | 3:38:21.34 | –35:24:35.6 | 21.63 | 1.13 | 23.93 | 211 | 16.03 | 220 | 0.96 | 900 ± 66 | |
| r) | UCD-FORS 80 | K1040 | 3:38:28.84 | –35:25:00.7 | 21.93 | 1.17 | 24.92 | 124 | 11.18 | 149 | 0.83 | 1481 ± 57 | |
| s) | UCD-FORS 81 | UCD2 | 3:38:06.29 | –35:28:58.8 | 19.31 | 1.13 | 24.47 | 193 | 27.71 | 776 | 0.24 | 1249 ± 37 | |
| t) | UCD-FORS 92 | Y7623 | 3:38:16.65 | –35:29:35.2 | 21.59 | 1.05 | 24.22 | 177 | 19.77 | 248 | 0.71 | 1676 ± 50 | |
| u) | UCD-FORS 96 | 89.038 | 3:38:11.93 | –35:32:01.7 | 21.45 | 0.97 | 23.72 | 291 | 33.58 | 417 | 0.70 | 1350 ± 78 | |
Notes. In Col. 1 the reference used in Fig. 9 is shown. In Cols. 2 and 3 the name used in this paper and the original name are shown, respectively. Columns 4 and 5 give their positions in RA and Dec. In Cols. 6 and 7 the V magnitude and color of the UCD are shown. In Col. 8 the magnitude of the possible companion is given. In Col. 9 the distance of the companion to the UCD is given in pc. The distance of the UCD to the center of NCG 1399 is given in Col. 10. In Col. 11 we show the estimate of the tidal radius of this UCD for it’s specific position using the formula given in 8. The second to last column gives the fraction between distcomp/rtidal. Thus if this fraction is smaller than 1.0 the companion lies within the tidal radius of the UCD host object, which is the case for 16 of our 19 UCDs.
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