Theia 3857

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.32 0.43 1.0 0.25 0.66
C3
N_50
r_50
AA 32 4.1
Summary

Theia 3857 is a poorly populated, loose object of very high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It was recently reported in the literature.

This is likely a unique object, which shares a moderate 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) 233.382 -58.658 0.303 -3.418 -3.573 112.75
Cavallo et al. (2024) 233.173 -58.587 0.303 – – –
Hunt & Reffert (2024) 233.382 -58.658 0.303 -3.418 -3.573 112.75
           
UCC 233.38 -58.655 0.308 -3.397 -3.57 8.788
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 3857 UCC
Theia 3857 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=3.565, diffAV50=2.796, MOD50=12.507, logAge50=7.041
Cavallo et al. (2024) AV50=3.51, dMod50=13.14, logAge50=6.82, [Fe/H]50=0.5
Hunt & Reffert (2024) MassJ=1154.00, MassTot=2887.58

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 2248 34.4 233.66 -58.55 0.31 -3.37 -3.51 -55.84 0.11