Theia 4981

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.36 0.86 0.62 0.33 0.0
C3
N_50
r_50
AC 36 7.3
Summary

Theia 4981 is a poorly populated, dense object of intermediate C3 quality. It is located at a relatively close 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) 128.32 -47.529 0.725 -7.807 7.904 38.687
Cavallo et al. (2024) 128.369 -47.487 0.729 – – –
Hunt & Reffert (2024) 128.32 -47.529 0.725 -7.807 7.904 38.687
Hu & Soubiran (2025) 128.369 -47.486 – – – –
           
UCC 128.307 -47.495 0.734 -7.826 7.872 25.632
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 4981 UCC
Theia 4981 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.601, diffAV50=0.885, MOD50=10.582, logAge50=8.541
Cavallo et al. (2024) AV50=0.56, dMod50=10.53, logAge50=8.86, [Fe/H]50=0.05
Hunt & Reffert (2024) MassJ=128.363, MassTot=182.120
Hu & Soubiran (2025) MA22=-0.14, MA23f=-0.16, MZ23=-0.33, MK24=-0.16, MF24=-0.12

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 59 100.0 128.31 -47.48 0.73 -7.83 7.87 29.01 0.4