Theia 1975

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.0 0.18 0.38 0.25 0.52
C3
N_50
r_50
CB 22 8.5
Summary

Theia 1975 is a sparse, very loose object of low C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It was recently reported in the literature.

This is likely a unique object, which shares a moderate percentage of members with at least one previously reported entry.

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

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 305.387 36.932 0.497 -2.424 -5.347 21.699
Cavallo et al. (2024) 305.61 37.152 0.495 – – –
Hunt & Reffert (2024) 305.387 36.932 0.497 -2.424 -5.347 21.699
           
UCC 305.517 37.039 0.495 -2.402 -5.356 53.948
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 1975 UCC
Theia 1975 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=4.079, diffAV50=2.762, MOD50=11.461, logAge50=6.827
Cavallo et al. (2024) AV50=3.74, dMod50=11.74, logAge50=7.12, [Fe/H]50=0.81
Hunt & Reffert (2024) MassJ=1053.02, MassTot=1448.62

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 1872 48.0 305.53 37.13 0.5 -2.43 -5.33 53.95 0.05
UBC 1101 44.0 305.72 37.19 0.49 -2.38 -5.32 46.61 0.44
XDOCC 10 20.0 305.52 37.24 0.5 -2.4 -5.26 53.95 0.25
UBC 1098 16.0 305.39 36.93 0.49 -2.63 -5.41 -134.78 0.38