Westerlund 2

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UCC G284.2-00.3a

C3
N_50
r_50
AB 217 0.9

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 156.008 -57.767 -6.77 4.84
Loktin & Popova (2017) 156.015 -57.767 -7.5 4.22
Cantat-Gaudin et al. (2020) 156.01 -57.758 0.209 -5.246 2.895
Hunt & Reffert (2023) 156.003 -57.756 0.192 -5.352 2.879
Cavallo et al. (2024) 156.008 -57.756 0.192
Hunt & Reffert (2024) 156.003 -57.756 0.192 -5.352 2.879
UCC 156.01 -57.758 0.197 -5.32 2.871 68.86

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Estimated members

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=1.65, Dist=2850.0, Age=6.3
Loktin & Popova (2017) E(B-V)=0.748, Dmod=11.416, logt=7.317
Hunt & Reffert (2023) AV50=4.518, diffAV50=3.026, MOD50=13.667, logAge50=7.88
Cavallo et al. (2024) AV50=4.46, dMod50=11.35, logAge50=8.24, [Fe/H]50=0.76
Hunt & Reffert (2024) MassJ=2389.55

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Cluster region


Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv
Bica 417 78.8 156.01 -57.758 0.193 -5.353 2.863