UPK 51

N_50

r_50

26.7

Summary

UPK 51 is a moderately populated, moderately dense object of very high C3 quality. It is located at a close distance from the Sun, below the mid-plane. It is well-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
Sim et al. (2019)	314.102	-6.54	–	5.06	2.07	–
Cantat-Gaudin et al. (2020)	314.073	-6.588	1.757	5.068	2.018	–
Dias et al. (2021)	314.156	-6.559	1.741	5.096	2.062	-19.978
Tarricq et al. (2022)	314.122	-6.779	1.74	5.115	1.966	–
He et al. (2022)	314.125	-6.683	1.756	5.114	1.933	–
Hunt & Reffert (2023)	314.097	-6.718	1.722	5.141	1.977	-17.512
Cavallo et al. (2024)	314.161	-6.512	1.733	–	–	–
Hunt & Reffert (2024)	314.097	-6.718	1.722	5.141	1.977	-17.512
Alfonso et al. (2024)	314.094	-6.693	1.716	5.125	1.945	–
Almeida et al. (2025)	314.156	-6.559	–	–	–	–

UCC	314.122	-6.688	1.751	5.082	1.941	-16.053

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
Sim et al. (2019)	`d_pc=567, log(age)=8.0`
Cantat-Gaudin et al. (2020)	`AVNN=0.06, DistPc=581.0, AgeNN=8.03`
Dias et al. (2021)	`Av=0.167, Dist=568, logage=8.653, [Fe/H]=-0.032`
Tarricq et al. (2022)	`Dist=571, logAgeNN=8.04`
He et al. (2022)	`A0=0.15, logAge=7.9`
Hunt & Reffert (2023)	`AV50=0.12, diffAV50=0.795, MOD50=8.743, logAge50=8.012`
Cavallo et al. (2024)	`AV50=0.44, dMod50=8.87, logAge50=7.9, [Fe/H]50=0.05`
Hunt & Reffert (2024)	`MassJ=40.1011, MassTot=156.863`
Alfonso et al. (2024)	`AV=0.06026, MOD=8.81975, logAge=7.94147, Z=-0.0318`
Almeida et al. (2025)	`AV=0.167, Dist=568, logAge=8.653, MassRk=88.1`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 14526	74.6	314.2	-6.69	1.75	5.11	1.96	-15.95	0.0