UBC 253

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.57 1.0 0.75 0.67 1.0
C3
N_50
r_50
AB 65 5.6
Summary

UBC 253 is a moderately populated, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, below the mid-plane. It is moderately studied in the literature.

This object shares a significant 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) 139.549 -56.024 0.577 -6.099 5.306 –
Cantat-Gaudin et al. (2020) 139.532 -56.015 0.576 -6.079 5.305 –
Dias et al. (2021) 139.554 -56.017 0.576 -6.076 5.305 –
Hunt & Reffert (2023) 139.534 -56.01 0.603 -6.076 5.333 13.159
Cavallo et al. (2024) 139.467 -55.957 0.604 – – –
Hunt & Reffert (2024) 139.534 -56.01 0.603 -6.076 5.333 13.159
Almeida et al. (2025) 139.554 -56.017 – – – –
Hu & Soubiran (2025) 139.467 -55.957 – – – –
           
UCC 139.528 -56.009 0.601 -6.066 5.328 13.74
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

UBC 253 UCC
UBC 253 HUNT23
UBC 253 CANTAT20

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Fundamental parameters

Reference Values
Cantat-Gaudin et al. (2020) AVNN=0.83, DistPc=1573.0, AgeNN=8.35
Dias et al. (2021) Av=0.993, Dist=1664, logage=8.314, [Fe/H]=0.26
Hunt & Reffert (2023) AV50=0.491, diffAV50=0.553, MOD50=10.965, logAge50=8.431
Cavallo et al. (2024) AV50=0.66, dMod50=11.01, logAge50=8.73, [Fe/H]50=0.24
Hunt & Reffert (2024) MassJ=224.852, MassTot=263.057
Almeida et al. (2025) AV=0.993, Dist=1664, logAge=8.314, MassRk=217.7
Hu & Soubiran (2025) MA22=-0.22, MA23f=-0.32, MZ23=-0.18, MK24=-0.21, MF24=-0.14

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 212 66.2 139.53 -56.02 0.61 -6.04 5.33 13.74 0.03