VIMOS Ultra-Deep Survey (VUDS): Witnessing the assembly of a massive cluster at z ~ 3.3

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Table 2

Halo mass estimates of Cl J0227-0421.

Method	ℳ_{vir,z = 3.3} ^a	ℳ_{vir,z = 0} ^a

Dynamics	3.16 ± 2.18 × 10¹⁴	8.69 ± 4.71 × 10¹⁵
Stellar mass	1.87 ± 0.98 × 10¹⁴	4.89 ± 2.53 × 10¹⁵
X-ray	< 3.35 ± 1.46 × 10¹⁴	–
Galaxy density	–

Notes.

^(a)

In units of M_⊙ evaluated at the virial radius of Cl J0227-0421 (R_vir = 0.46 Mpc).

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