UBC 178

N_50

r_50

7.8

Summary

UBC 178 is a poorly populated, very dense object of high C3 quality. It is located at a close distance from the Sun, above the mid-plane. It is well-studied in the literature.

This object shares a very small 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)	346.228	63.357	1.148	-1.228	-1.803	–
Cantat-Gaudin et al. (2020)	346.201	63.36	1.148	-1.235	-1.823	–
Dias et al. (2021)	346.212	63.326	1.146	-1.2	-1.834	–
He et al. (2022)	344.226	62.745	1.187	-1.16	-2.364	–
Hunt & Reffert (2023)	346.148	63.355	1.176	-1.127	-1.896	0.73
Cavallo et al. (2024)	346.281	63.321	1.174	–	–	–
Celli et al. (2024)	346.201	63.36	–	–	–	–
Hunt & Reffert (2024)	346.148	63.355	1.176	-1.127	-1.896	0.73
Alfonso et al. (2024)	-14.273	63.157	1.142	-1.149	-2.05	–
Almeida et al. (2025)	346.212	63.326	–	–	–	–

UCC	346.168	63.361	1.163	-1.223	-1.839	-14.65

Galactocentric position

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

1 2 3

Explore data in Colab

Fundamental parameters

Reference	Values
Cantat-Gaudin et al. (2020)	`AVNN=1.58, DistPc=947.0, AgeNN=7.01`
Dias et al. (2021)	`Av=1.983, Dist=867, logage=7.022, [Fe/H]=0.245`
He et al. (2022)	`A0=2.8, logAge=6.5`
Hunt & Reffert (2023)	`AV50=1.952, diffAV50=1.302, MOD50=9.572, logAge50=6.578`
Cavallo et al. (2024)	`AV50=2.05, dMod50=9.58, logAge50=6.75, [Fe/H]50=-0.03`
Celli et al. (2024)	`Age=10.2, Mc=307.9`
Hunt & Reffert (2024)	`MassJ=106.237, MassTot=106.237`
Alfonso et al. (2024)	`AV=1.57887, MOD=9.85784, logAge=6.98882, Z=0.24411`
Almeida et al. (2025)	`AV=1.983, Dist=867, logAge=7.022, MassRk=521.8`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 46	4.3	346.44	63.35	1.32	-1.25	-1.83	–	0.26