Theia 558

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.5 0.59 0.5 0.33 1.0
C3
N_50
r_50
BB 50 20.0
Summary

Theia 558 is a moderately populated, moderately dense object of intermediate C3 quality. It is located at a close distance from the Sun, near the mid-plane. It was recently reported in the literature.

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Positions

Reference RA DEC Plx pmRA pmDE Rv
He et al. (2022) 95.953 3.644 1.406 -0.651 -1.81 –
Hunt & Reffert (2023) 95.905 3.67 1.41 -0.685 -1.827 -1.075
Cavallo et al. (2024) 95.977 3.72 1.409 – – –
Hunt & Reffert (2024) 95.905 3.67 1.41 -0.685 -1.827 -1.075
           
UCC 95.945 3.673 1.407 -0.692 -1.813 0.459
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 558 UCC
Theia 558 HUNT23

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Fundamental parameters

Reference Values
He et al. (2022) A0=1.6, logAge=8.45
Hunt & Reffert (2023) AV50=0.649, diffAV50=2.112, MOD50=9.106, logAge50=8.305
Cavallo et al. (2024) AV50=0.99, dMod50=9.11, logAge50=8.5, [Fe/H]50=-0.25
Hunt & Reffert (2024) MassJ=72.2136, MassTot=186.366

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Cluster region map