Theia 2118

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.0 0.28 0.12 0.25 1.0
C3
N_50
r_50
DC 17 7.7
Summary

Theia 2118 is a sparse, loose object of very low C3 quality. It is located at a relatively close distance from the Sun, above the mid-plane. It was recently reported in the literature.

This object shares a small percentage of members with a later reported entry.

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

Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicates that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 101.739 7.387 0.679 -1.644 0.186 48.972
Cavallo et al. (2024) 101.113 7.793 0.678 – – –
Hunt & Reffert (2024) 101.739 7.387 0.679 -1.644 0.186 48.972
           
UCC 101.736 7.365 0.638 -1.54 0.207 -4.665
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

Theia 2118 UCC
Theia 2118 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=1.083, diffAV50=2.396, MOD50=10.7, logAge50=8.197
Cavallo et al. (2024) AV50=1.25, dMod50=11.12, logAge50=8.09, [Fe/H]50=0.4
Hunt & Reffert (2024) MassJ=66.3609, MassTot=422.414

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 4106 20.0 101.68 7.54 0.65 -1.54 0.53 – 0.12