Theia 3227

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.49 1.0 0.5 0.33 0.04
C3
N_50
r_50
BB 49 2.3
Summary

Theia 3227 is a poorly populated, very dense object of intermediate C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It was recently reported in the literature.

Warning: This is very likely a duplicate object, which shares a large percentage of members with at least one previously reported entry.

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 156.339 -59.08 0.261 -5.762 3.885 -5.967
Cavallo et al. (2024) 156.332 -59.082 0.262 – – –
Hunt & Reffert (2024) 156.339 -59.08 0.261 -5.762 3.885 -5.967
Hu & Soubiran (2025) 156.332 -59.081 – – – –
           
UCC 156.331 -59.084 0.27 -5.746 3.884 7.174
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 3227 UCC
Theia 3227 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=2.111, diffAV50=2.245, MOD50=12.829, logAge50=8.464
Cavallo et al. (2024) AV50=1.47, dMod50=12.29, logAge50=9.04, [Fe/H]50=0.36
Hunt & Reffert (2024) MassJ=497.833, MassTot=497.833
Hu & Soubiran (2025) MA22=-0.35, MA23f=-0.34, MK24=-0.28, MF24=-0.44

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Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 1478 95.9 156.33 -59.08 0.27 -5.75 3.89 -5.95 0.38