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Table 2.
Positions and global properties of the whole cluster and the four galaxy clumps detected in RXCJ1230.
| Structure | RA & Dec (J2000) | Ngal | v̄ | σv | r200 | M200 | M500 |
|---|---|---|---|---|---|---|---|
| RA = 12 : mm : ss.ss | (km s−1) | (km s−1) | ( Mpc) |
(×1014 M⊙) | (×1014 M⊙) | ||
| Dec = +34:′:″ | |||||||
| Global | 30:45.78 39:26.3 | 77 | 99 658±161 |  |
– | 14.1 ± 3.8 | 9.0 ± 2.3 |
| Centre | 30:45.78 39:26.3 | 58 | 99 967±161 | 999 ± 160 | ∼1.8 | 9.0 ± 1.5 | 5.6 ± 1.0 |
| Southwest | 30:30.55 38:01.4 | 9 | 98 810±126 | 792 ± 230 | ∼1.5 | 4.4 ± 3.3 | 2.7 ± 2.0 |
| East | 31:04.67 40:08.7 | 3 | ∼99 468 | ∼500 | ∼0.8 | ∼1 | ∼0.7 |
| South | 30:47.98 36:56.7 | 7 | 99 090±192 | <300 | <0.5 | – | – |
Notes. σv of the eastern and southern substructures have to be taken as guide values, as well as the masses and radii derived from them.
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