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Table 3
Kinematical properties of the whole system and galaxy subsystems.
| Substructure results | 3D KMM | ||||||
|
|
|||||||
| System | Ng | ⟨ v ⟩ | σV | Interpretation | Ng,KMM | ⟨ v ⟩ KMM | σv,KMM |
| km s-1 | km s-1 | km s-1 | km s-1 | ||||
|
|
|||||||
| Whole system | 110 | 53128 ± 128 |
|
– | – | – | – |
| Eastern system | 58 | 53098 ± 208 |
|
contaminated main | – | – | – |
| Western system | 52 | 53186 ± 150 |
|
uncontaminated main | – | – | – |
| E1.5HV | 6 | 56310 ± 226 |
|
high-vel. E group | 7 | 56414 ± 116 |
|
| E1.5LV | 21 | 52463 ± 341 |
|
main | 103 | 52968 ± 119 |
|
| HT2 | 7 | 56355 ± 244 |
|
high-vel. E group | 8 | 56341 ± 115 |
|
| HT1 | 96 | 52980 ± 108 |
|
(substructured) main | – | – | – |
| HT12 | 8 | 51414 ± 159 |
|
low vel. W main | 35 | 51840 ± 100 |
|
| HT11 | 42 | 53299 ± 188 |
|
principal main | 67 | 53550 ± 153 |
|
| DED1 | 3 | 56322 ± 139 | 197a | high-vel. E group | 4 | 56422 ± 109 |
|
| DED2 | 9 | 54313 ± 213 |
|
NW group | 27 | 54246 ± 130 |
|
| DED3 | 12 | 53151 ± 362 |
|
E group | 26 | 53385 ± 320 |
|
| DED4 | 30 | 53054 ± 177 |
|
SW group | 46 | 52168 ± 114 |
|
| DED5 | 4 | 51798 ± 293 |
|
low vel. SE group | 7 | 53238 ± 429 |
|
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