UBC 155

N_50

r_50

6.2

Summary

UBC 155 is a moderately populated, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, above the mid-plane. It is moderately studied in the literature.

This object shares a large 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)	318.408	50.15	0.577	-2.89	-4.063	–
Cantat-Gaudin et al. (2020)	318.413	50.134	0.58	-2.893	-4.058	–
Dias et al. (2021)	318.43	50.139	0.562	-2.886	-4.054	–
Hunt & Reffert (2023)	318.414	50.102	0.596	-2.918	-4.11	1.74
Cavallo et al. (2024)	318.426	50.155	0.599	–	–	–
Hunt & Reffert (2024)	318.414	50.102	0.596	-2.918	-4.11	1.74
Almeida et al. (2025)	318.43	50.139	–	–	–	–

UCC	318.426	50.134	0.6	-2.919	-4.092	-13.707

Galactocentric position

How are the galactocentric plots generated?

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Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Cantat-Gaudin et al. (2020)	`AVNN=2.63, DistPc=1593.0, AgeNN=8.68`
Dias et al. (2021)	`Av=3.281, Dist=1636, logage=7.105, [Fe/H]=0.047`
Hunt & Reffert (2023)	`AV50=3.786, diffAV50=2.662, MOD50=11.008, logAge50=8.081`
Cavallo et al. (2024)	`AV50=3.86, dMod50=11.16, logAge50=7.76, [Fe/H]50=0.41`
Hunt & Reffert (2024)	`MassJ=925.493, MassTot=977.082`
Almeida et al. (2025)	`AV=3.281, Dist=1636, logAge=7.105, MassRk=531.4`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 11666	90.5	318.41	50.13	0.6	-2.91	-4.1	-8.22	0.11