NGC 1981

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UCC G207.4-20.5

C3
N_50
r_50
CC 32 99.8

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2002) 83.783 -4.343 3.22 1.36 20.06
Loktin & Popova (2017) 83.79 -4.342 3.22 1.36 27.9
Donor et al. (2020) 83.775 -4.42 1.11 0.58 28.8
He et al. (2022) 80.513 -4.856 3.019 0.703 -0.834
UCC 82.163 -4.832 3.024 0.757 -0.603 17.536

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Estimated members

NGC 1981 UCC

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Fundamental parameters

Reference Values
Dias et al. (2002) E(B-V)=0.07, Dist=380.0, Age=6.7
Loktin & Popova (2017) E(B-V)=0.21, Dmod=8.127, logt=6.83
Donor et al. (2020) Fe/H=-0.18
He et al. (2022) A0=0.25, logAge=7.05

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Cluster region