Theia 1928

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.5 1.0 0.75 0.25 0.0
C3
N_50
r_50
AB 50 3.7
Summary

Theia 1928 is a moderately populated, very dense object of high C3 quality. It is located at a moderate distance from the Sun, above 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) 288.83 14.442 0.371 -1.683 -2.514 8.19
Cavallo et al. (2024) 288.815 14.411 0.369 – – –
Hunt & Reffert (2024) 288.83 14.442 0.371 -1.683 -2.514 8.19
           
UCC 288.822 14.417 0.362 -1.704 -2.518 –
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 1928 UCC
Theia 1928 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=2.905, diffAV50=1.206, MOD50=11.988, logAge50=8.189
Cavallo et al. (2024) AV50=2.95, dMod50=11.87, logAge50=8.51, [Fe/H]50=0.0
Hunt & Reffert (2024) MassJ=401.544, MassTot=518.244

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Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
PHOC 8 100.0 288.81 14.4 0.36 -1.71 -2.51 -9.55 0.47