Theia 1854

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.0 0.25 0.75 0.25 1.0
C3
N_50
r_50
AB 16 8.2
Summary

Theia 1854 is a sparse, loose object of high C3 quality. It is located at a relatively close distance from the Sun, above the mid-plane. It was recently reported in the literature.

Warning: contains less than 25 stars with P>0.5 estimated.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 269.238 -20.314 0.678 -1.577 -3.089 -8.387
Cavallo et al. (2024) 269.341 -20.286 0.675 – – –
Hunt & Reffert (2024) 269.238 -20.314 0.678 -1.577 -3.089 -8.387
           
UCC 269.318 -20.248 0.669 -1.562 -3.033 -9.062
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 1854 UCC
Theia 1854 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=2.326, diffAV50=1.533, MOD50=10.758, logAge50=8.101
Cavallo et al. (2024) AV50=2.9, dMod50=9.83, logAge50=8.14, [Fe/H]50=-0.78
Hunt & Reffert (2024) MassJ=166.038, MassTot=223.369

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Cluster region map