Theia 1040

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.26 0.14 0.75 0.25 1.0
C3
N_50
r_50
AB 26 33.4
Summary

Theia 1040 is a poorly populated, very loose object of high C3 quality. It is located at a close distance from the Sun, above the mid-plane. It was recently reported in the literature.

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 69.443 56.514 1.579 -1.794 -5.647 -15.001
Cavallo et al. (2024) 69.134 56.719 1.584 – – –
Hu & Soubiran (2025) 69.134 56.719 – – – –
           
UCC 69.397 56.585 1.585 -1.811 -5.645 -16.09
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 1040 UCC
Theia 1040 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.641, diffAV50=0.506, MOD50=8.869, logAge50=8.775
Cavallo et al. (2024) AV50=0.67, dMod50=8.93, logAge50=8.85, [Fe/H]50=0.33
Hu & Soubiran (2025) MA22=-0.07, MA23f=-0.09, MZ23=0.05, MK24=-0.07, MF24=-0.01

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Cluster region map