Theia 1871

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.39 1.0 0.75 0.25 0.2
C3
N_50
r_50
BA 39 3.2
Summary

Theia 1871 is a poorly populated, very dense object of high C3 quality. It is located at a moderate 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) 273.555 -18.985 0.333 -0.385 -1.206 -35.903
Cavallo et al. (2024) 273.508 -19.019 0.332 – – –
Hunt & Reffert (2024) 273.555 -18.985 0.333 -0.385 -1.206 -35.903
           
UCC 273.52 -19.011 0.334 -0.391 -1.194 -6.44
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 1871 UCC
Theia 1871 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=1.696, diffAV50=1.941, MOD50=12.193, logAge50=7.992
Cavallo et al. (2024) AV50=2.05, dMod50=11.09, logAge50=7.89, [Fe/H]50=-0.52
Hunt & Reffert (2024) MassJ=674.402, MassTot=678.905

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 1009 79.5 273.51 -19.03 0.33 -0.35 -1.19 1.49 0.38