Theia 1806

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.34 1.0 0.12 0.33 0.15
C3
N_50
r_50
DC 34 4.7
Summary

Theia 1806 is a poorly populated, very dense object of very low C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It was recently reported in the literature.

Warning: This is 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) 85.433 27.5 0.734 -0.208 -4.369 -3.067
Cavallo et al. (2024) 85.409 27.458 0.737 – – –
Hunt & Reffert (2024) 85.433 27.5 0.734 -0.208 -4.369 -3.067
Hu & Soubiran (2025) 85.409 27.458 – – – –
           
UCC 85.449 27.492 0.758 -0.325 -4.367 -2.946
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 1806 UCC
Theia 1806 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=1.788, diffAV50=2.394, MOD50=10.529, logAge50=8.273
Cavallo et al. (2024) AV50=1.51, dMod50=10.88, logAge50=8.71, [Fe/H]50=0.36
Hunt & Reffert (2024) MassJ=176.289, MassTot=182.304
Hu & Soubiran (2025) MA22=-0.2, MA23f=-0.23, MZ23=-0.24, MK24=-0.14, MF24=-0.28

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 127 85.3 85.44 27.48 0.76 -0.34 -4.36 7.82 0.3