UBC 438

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.57 0.25 0.75 0.67 1.0
C3
N_50
r_50
AB 64 5.2
Summary

UBC 438 is a moderately populated, loose object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is moderately studied in the literature.

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

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Castro-Ginard et al. (2020) 94.831 15.29 0.212 0.149 -0.37 –
Cantat-Gaudin et al. (2020) 94.851 15.287 0.207 0.155 -0.39 –
Dias et al. (2021) 94.821 15.294 0.184 0.135 -0.385 74.681
Hunt & Reffert (2023) 94.687 15.284 0.221 0.138 -0.427 32.197
Cavallo et al. (2024) 94.815 15.293 0.222 – – –
Celli et al. (2024) 94.851 15.287 – – – –
Hunt & Reffert (2024) 94.687 15.284 0.221 0.138 -0.427 32.197
Almeida et al. (2025) 94.821 15.294 – – – –
           
UCC 94.821 15.289 0.211 0.141 -0.41 32.202
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

UBC 438 UCC
UBC 438 HUNT23
UBC 438 CANTAT20

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Fundamental parameters

Reference Values
Cantat-Gaudin et al. (2020) AVNN=2.67, DistPc=3605.0, AgeNN=6.64
Dias et al. (2021) Av=2.575, Dist=4113, logage=6.701, [Fe/H]=0.224
Hunt & Reffert (2023) AV50=2.917, diffAV50=2.22, MOD50=13.094, logAge50=7.043
Cavallo et al. (2024) AV50=2.91, dMod50=13.06, logAge50=7.35, [Fe/H]50=0.4
Celli et al. (2024) Age=4.4, Mc=525.3
Hunt & Reffert (2024) MassJ=953.325, MassTot=1079.08
Almeida et al. (2025) AV=2.575, Dist=4113, logAge=6.701, MassRk=723.8

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
HSC 1547 21.9 94.71 15.28 0.2 0.07 -0.4 – 0.09