UBC 255

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.67 1.0 1.0 0.75 1.0
C3
N_50
r_50
AA 84 14.0
Summary

UBC 255 is a moderately populated, very dense object of very high C3 quality. It is located at a close distance from the Sun, below the mid-plane. It is well-studied in the literature.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Castro-Ginard et al. (2020) 128.471 -61.465 1.047 -4.868 2.82 –
Cantat-Gaudin et al. (2020) 128.456 -61.463 1.049 -4.882 2.831 –
Tarricq et al. (2022) 128.54 -61.44 1.067 -4.852 2.863 –
He et al. (2022) 128.529 -61.462 1.058 -4.832 2.891 –
Hunt & Reffert (2023) 128.553 -61.466 1.061 -4.878 2.892 -13.585
Cavallo et al. (2024) 128.579 -61.499 1.062 – – –
Hunt & Reffert (2024) 128.553 -61.466 1.061 -4.878 2.892 -13.585
Alfonso et al. (2024) 128.61 -61.466 1.031 -4.842 2.874 –
Hu & Soubiran (2025) 128.579 -61.499 – – – –
           
UCC 128.551 -61.478 1.063 -4.853 2.863 -11.901
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

UBC 255 UCC
UBC 255 HUNT23
UBC 255 CANTAT20

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Fundamental parameters

Reference Values
Cantat-Gaudin et al. (2020) AVNN=0.0, DistPc=890.0, AgeNN=9.38
Tarricq et al. (2022) Dist=868, logAgeNN=9.4
He et al. (2022) A0=0.55, logAge=9.3
Hunt & Reffert (2023) AV50=0.424, diffAV50=0.855, MOD50=9.788, logAge50=8.989
Cavallo et al. (2024) AV50=0.65, dMod50=9.79, logAge50=9.19, [Fe/H]50=0.24
Hunt & Reffert (2024) MassJ=96.7239, MassTot=183.163
Alfonso et al. (2024) AV=0.00122, MOD=9.74945, logAge=9.38399, Z=0.01060
Hu & Soubiran (2025) MA22=-0.22, MA23f=-0.19, MA23g=-0.19, MZ23=-0.31, MK24=-0.18, MF24=-0.19

Search coordinates in Bayestar19

Cluster region map