UBC 251

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.66 1.0 0.75 0.58 0.94
C3
N_50
r_50
AB 83 6.5
Summary

UBC 251 is a moderately populated, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It is moderately studied in the literature.

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

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Castro-Ginard et al. (2020) 140.426 -51.27 0.486 -5.009 4.432 –
Cantat-Gaudin et al. (2020) 140.447 -51.252 0.484 -4.997 4.436 –
Dias et al. (2021) 140.43 -51.244 0.464 -4.995 4.428 –
Hunt & Reffert (2023) 140.453 -51.249 0.538 -4.937 4.471 28.365
Cavallo et al. (2024) 140.429 -51.251 0.533 – – –
Hunt & Reffert (2024) 140.453 -51.249 0.538 -4.937 4.471 28.365
Almeida et al. (2025) 140.43 -51.244 – – – –
           
UCC 140.456 -51.259 0.514 -4.957 4.452 35.729
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

UBC 251 UCC
UBC 251 HUNT23
UBC 251 CANTAT20

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Fundamental parameters

Reference Values
Cantat-Gaudin et al. (2020) AVNN=1.27, DistPc=1865.0, AgeNN=7.97
Dias et al. (2021) Av=1.475, Dist=1962, logage=7.859, [Fe/H]=0.376
Hunt & Reffert (2023) AV50=1.315, diffAV50=0.472, MOD50=11.222, logAge50=7.817
Cavallo et al. (2024) AV50=1.59, dMod50=11.11, logAge50=7.79, [Fe/H]50=-0.02
Hunt & Reffert (2024) MassJ=357.350, MassTot=408.214
Almeida et al. (2025) AV=1.475, Dist=1962, logAge=7.859, MassRk=378.7

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
Pismis 13 6.0 140.53 -51.1 0.34 -5.08 4.68 10.51 0.95