UBC 339

N_50

r_50

2.9

Summary

UBC 339 is a moderately populated, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is moderately studied in the literature.

This object shares a significant 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)	271.311	-23.308	0.387	0.571	-0.594	–
Cantat-Gaudin et al. (2020)	271.308	-23.308	0.386	0.559	-0.585	–
Dias et al. (2021)	271.309	-23.307	0.392	0.572	-0.557	–
Hunt & Reffert (2023)	271.313	-23.308	0.399	0.626	-0.608	-21.269
Cavallo et al. (2024)	271.302	-23.328	0.399	–	–	–
Hunt & Reffert (2024)	271.313	-23.308	0.399	0.626	-0.608	-21.269
Almeida et al. (2025)	271.309	-23.307	–	–	–	–

UCC	271.309	-23.318	0.394	0.617	-0.608	-21.272

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=1.65, DistPc=2346.0, AgeNN=9.0`
Dias et al. (2021)	`Av=2.337, Dist=2412, logage=8.82, [Fe/H]=0.123`
Hunt & Reffert (2023)	`AV50=2.541, diffAV50=2.068, MOD50=11.844, logAge50=8.233`
Cavallo et al. (2024)	`AV50=2.88, dMod50=11.04, logAge50=8.05, [Fe/H]50=-0.82`
Hunt & Reffert (2024)	`MassJ=443.062, MassTot=443.062`
Almeida et al. (2025)	`AV=2.337, Dist=2412, logAge=8.82, MassRk=289.7`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 5684	67.9	271.31	-23.31	0.4	0.62	-0.58	-21.27	0.0