Table 2
Dynamical parameters for the 4 subclusters using only “virialised”-cluster galaxies.
| Subcluster | # | σ scl | M v | R pv |
|
r 200 | M 200 | σscl H08 | r200 H08 | M200 H08 |
| galaxies | [km s-1] | (1014M⊙) | (kpc) |
|
(kpc) | (1014M⊙) | [km s-1] | (kpc) | (1014M⊙) | |
|
|
||||||||||
| A901a | 31 |
|
|
|
|
|
|
|
|
|
| A901b | 30 |
|
|
|
|
|
|
|
|
|
| A902 | 21 |
|
|
|
|
|
|
|
|
|
| SW group | 14 |
|
|
|
|
|
|
|
|
|
Notes. The errors are computed via bootstrap simulations (2000 replications). Rpv denotes the projected virial radius, Mv is the virial mass inside the 3D-virial radius 
. is the mean interior density inside the virial radius. r200 is the radius where the mean interior density is 200ρc. M200 is the corresponding mass. As a comparison the corresponding values derived from weak-lensing analysis (H08) following Heymans et al. (2008) and Biviano et al. (2006).
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