UPK 29

N_50

r_50

12.2

Summary

UPK 29 is a moderately populated, very dense object of high C3 quality. It is located at a close distance from the Sun, near the mid-plane. It is well-studied in the literature.

This object shares a moderate percentage of members with a later reported entry.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Sim et al. (2019)	278.684	-5.504	–	0.45	2.83	–
Cantat-Gaudin et al. (2020)	278.617	-5.47	1.487	0.425	2.817	–
Dias et al. (2021)	278.63	-5.462	1.475	0.42	2.852	25.799
Tarricq et al. (2022)	278.614	-5.439	1.481	0.483	2.777	–
He et al. (2022)	278.599	-5.439	1.488	0.444	2.773	–
Hunt & Reffert (2023)	278.586	-5.426	1.463	0.494	2.767	26.37
Cavallo et al. (2024)	278.578	-5.505	1.473	–	–	–
Hunt & Reffert (2024)	278.586	-5.426	1.463	0.494	2.767	26.37
Alfonso et al. (2024)	278.572	-5.48	1.447	0.478	2.793	–
Almeida et al. (2025)	278.63	-5.462	–	–	–	–

UCC	278.591	-5.484	1.486	0.483	2.783	24.57

Galactocentric position

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Sim et al. (2019)	`d_pc=656, log(age)=8.75`
Cantat-Gaudin et al. (2020)	`AVNN=1.9, DistPc=681.0, AgeNN=8.91`
Dias et al. (2021)	`Av=2.739, Dist=657, logage=8.346, [Fe/H]=0.004`
Tarricq et al. (2022)	`Dist=669, logAgeNN=8.93`
He et al. (2022)	`A0=3.05, logAge=8.65`
Hunt & Reffert (2023)	`AV50=2.878, diffAV50=2.451, MOD50=9.02, logAge50=8.377`
Cavallo et al. (2024)	`AV50=2.75, dMod50=9.26, logAge50=8.66, [Fe/H]50=0.23`
Hunt & Reffert (2024)	`MassJ=401.676, MassTot=413.502`
Alfonso et al. (2024)	`AV=1.89963, MOD=9.17005, logAge=9.03697, Z=0.00386`
Almeida et al. (2025)	`AV=2.739, Dist=657, logAge=8.346, MassRk=247.3`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 14441	48.5	278.62	-5.47	1.49	0.45	2.8	25.11	0.0