Theia 1890

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.75 0.92 0.75 0.25 0.25
C3
N_50
r_50
AB 111 13.5
Summary

Theia 1890 is a rich, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It was recently reported in the literature.

Warning: This is possibly a duplicated object, which shares a significant percentage of members with at least one previously reported entry.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 127.473 -41.914 0.778 -5.4 5.02 23.055
Cavallo et al. (2024) 127.419 -41.868 0.793 – – –
Hunt & Reffert (2024) 127.473 -41.914 0.778 -5.4 5.02 23.055
           
UCC 127.514 -41.937 0.799 -5.408 5.005 24.152
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 1890 UCC
Theia 1890 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.937, diffAV50=1.721, MOD50=10.36, logAge50=7.414
Cavallo et al. (2024) AV50=0.92, dMod50=10.29, logAge50=7.25, [Fe/H]50=-0.02
Hunt & Reffert (2024) MassJ=347.285, MassTot=389.379

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 1030 74.8 127.59 -41.95 0.8 -5.39 4.96 24.15 0.49
CWWDL 13550 39.6 127.57 -41.94 0.8 -5.41 4.99 24.47 0.0