Theia 1891

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.64 1.0 0.75 0.25 0.09
C3
N_50
r_50
AB 78 9.8
Summary

Theia 1891 is a moderately populated, very dense object of high 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) 257.763 -48.731 0.857 -0.565 -0.912 3.964
Cavallo et al. (2024) 257.818 -48.807 0.856 – – –
Hunt & Reffert (2024) 257.763 -48.731 0.857 -0.565 -0.912 3.964
           
UCC 257.778 -48.749 0.847 -0.525 -0.869 19.47
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 1891 UCC
Theia 1891 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=1.126, diffAV50=1.13, MOD50=10.23, logAge50=8.128
Cavallo et al. (2024) AV50=1.07, dMod50=10.3, logAge50=8.5, [Fe/H]50=0.34
Hunt & Reffert (2024) MassJ=431.172, MassTot=463.126

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UFMG 30 91.0 257.78 -48.75 0.84 -0.49 -0.85 19.42 0.63