UBC 423

N_50

r_50

2.7

Summary

UBC 423 is a poorly populated, very dense object of intermediate C3 quality. It is located at a moderate 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)	48.276	58.93	0.363	0.6	-0.823	–
Cantat-Gaudin et al. (2020)	48.257	58.927	0.359	0.603	-0.835	–
Dias et al. (2021)	48.295	58.937	0.378	0.626	-0.779	–
Hunt & Reffert (2023)	48.271	58.929	0.391	0.538	-0.873	–
Cavallo et al. (2024)	48.336	58.954	0.39	–	–	–
Celli et al. (2024)	48.257	58.927	–	–	–	–
Hunt & Reffert (2024)	48.271	58.929	0.391	0.538	-0.873	–
Almeida et al. (2025)	48.295	58.937	–	–	–	–

UCC	48.273	58.929	0.386	0.571	-0.902	-42.543

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=2.64, DistPc=2518.0, AgeNN=7.22`
Dias et al. (2021)	`Av=2.616, Dist=2623, logage=6.888, [Fe/H]=0.143`
Hunt & Reffert (2023)	`AV50=2.584, diffAV50=1.357, MOD50=11.89, logAge50=7.07`
Cavallo et al. (2024)	`AV50=2.61, dMod50=11.98, logAge50=7.19, [Fe/H]50=0.67`
Celli et al. (2024)	`Age=16.6, Mc=207.3`
Hunt & Reffert (2024)	`MassJ=451.861, MassTot=476.900`
Almeida et al. (2025)	`AV=2.616, Dist=2623, logAge=6.888, MassRk=183.8`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 2632	84.4	48.3	58.93	0.39	0.58	-0.89	-42.54	0.03