Theia 31

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.69 1.0 1.0 0.25 1.0
C3
N_50
r_50
AA 88 22.3
Summary

Theia 31 is a moderately populated, very dense object of very high C3 quality. It is located at a very close distance from the Sun, near the mid-plane. It was recently reported in the literature.

This object shares a large percentage of members with a later reported entry.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
He et al. (2022) 126.887 -34.8 2.803 -6.978 10.874 –
Hunt & Reffert (2023) 127.002 -34.911 2.804 -7.006 10.853 11.621
Cavallo et al. (2024) 126.857 -34.898 2.803 – – –
           
UCC 126.956 -34.757 2.803 -6.94 10.853 21.016
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 31 UCC
Theia 31 HUNT23

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Fundamental parameters

Reference Values
He et al. (2022) A0=0.15, logAge=6.85
Hunt & Reffert (2023) AV50=0.313, diffAV50=0.884, MOD50=7.695, logAge50=6.82
Cavallo et al. (2024) AV50=0.78, dMod50=7.77, logAge50=6.72, [Fe/H]50=-0.15

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
OCSN 202 100.0 126.93 -34.74 2.81 -6.96 10.9 13.13 0.09