UBC 521

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.72 1.0 1.0 0.67 1.0
C3
N_50
r_50
AA 95 3.9
Summary

UBC 521 is a moderately populated, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is moderately studied in the literature.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Castro-Ginard et al. (2020) 187.552 -64.155 0.324 -8.456 -0.838 –
Cantat-Gaudin et al. (2020) 187.576 -64.16 0.322 -8.453 -0.851 –
Dias et al. (2021) 187.522 -64.159 0.329 -8.46 -0.821 –
Hunt & Reffert (2023) 187.585 -64.168 0.311 -8.467 -0.822 6.05
Cavallo et al. (2024) 187.56 -64.16 0.309 – – –
Hunt & Reffert (2024) 187.585 -64.168 0.311 -8.467 -0.822 6.05
Almeida et al. (2025) 187.522 -64.159 – – – –
Hu & Soubiran (2025) 187.56 -64.16 – – – –
           
UCC 187.568 -64.146 0.314 -8.472 -0.831 -4.554
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

UBC 521 UCC
UBC 521 HUNT23
UBC 521 CANTAT20

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Fundamental parameters

Reference Values
Cantat-Gaudin et al. (2020) AVNN=1.66, DistPc=2594.0, AgeNN=8.97
Dias et al. (2021) Av=2.688, Dist=2954, logage=6.842, [Fe/H]=0.228
Hunt & Reffert (2023) AV50=2.616, diffAV50=1.669, MOD50=12.346, logAge50=8.411
Cavallo et al. (2024) AV50=2.43, dMod50=11.93, logAge50=8.74, [Fe/H]50=0.25
Hunt & Reffert (2024) MassJ=1057.38, MassTot=1190.52
Almeida et al. (2025) AV=2.688, Dist=2954, logAge=6.842, MassRk=771.1
Hu & Soubiran (2025) MA22=-0.13, MA23f=-0.22, MA23g=0.14, MZ23=-0.2, MK24=-0.16, MF24=-0.23

Search coordinates in Bayestar19

Cluster region map