NGC 3255

(Collinder 221; OCL 817; VDBH 96; vdBergh-Hagen 96; ESO 127 20; FSR 1546; MWSC 1804)

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UCC G286.0-02.6

C3
N_50
r_50
AA 210 1.1

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 156.629 -60.677 -4.4 -2.08
Kharchenko et al. (2012) 156.665 -60.682 -4.4 -2.08
Bica et al. (2019) 156.637 -60.673
Cantat-Gaudin et al. (2020) 156.635 -60.675 0.12 -5.913 3.322
Dias et al. (2021) 156.633 -60.676 0.116 -5.905 3.314
Hunt & Reffert (2023) 156.637 -60.672 0.155 -5.887 3.313 12.109
Cavallo et al. (2024) 156.637 -60.674 0.155
Hunt & Reffert (2024) 156.637 -60.672 0.155 -5.887 3.313 12.109
Hu & Soubiran (2025) 156.637 -60.673
UCC 156.635 -60.674 0.14 -5.898 3.32 21.178

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Estimated members

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.25, Dist=1445.0, Age=8.3
Kharchenko et al. (2012) e_bv=0.312, distance=3162, log_age=9.05
Cantat-Gaudin et al. (2020) AVNN=0.92, DMNN=13.69, AgeNN=8.35
Dias et al. (2021) Av=1.028, Dist=4432, logage=8.712, [Fe/H]=0.007
Hunt & Reffert (2023) AV50=1.166, diffAV50=1.704, MOD50=13.694, logAge50=8.419
Cavallo et al. (2024) AV50=1.31, dMod50=12.76, logAge50=8.86, [Fe/H]50=-0.43
Hunt & Reffert (2024) MassJ=1872.61
Hu & Soubiran (2025) MA22=-0.19, MA23f=-0.55, MA23g=-0.18, MZ23=-0.26, MK24=-0.28, MF24=-0.4

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Cluster region