UPK 528

N_50

r_50

8.5

Summary

UPK 528 is a moderately populated, very dense object of intermediate 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 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)	137.047	-43.354	–	-7.69	1.89	–
Cantat-Gaudin et al. (2020)	137.032	-43.346	0.999	-7.706	1.911	–
Dias et al. (2021)	137.071	-43.343	1.019	-7.705	1.869	–
Tarricq et al. (2022)	137.054	-43.375	1.033	-7.674	1.95	–
He et al. (2022)	137.045	-43.363	1.018	-7.706	1.973	–
Hunt & Reffert (2023)	137.044	-43.362	1.021	-7.647	1.925	26.928
Cavallo et al. (2024)	137.05	-43.334	1.025	–	–	–
Hunt & Reffert (2024)	137.044	-43.362	1.021	-7.647	1.925	26.928
Almeida et al. (2025)	137.071	-43.343	–	–	–	–

UCC	137.035	-43.344	1.021	-7.696	1.961	22.309

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=953, log(age)=7.9`
Cantat-Gaudin et al. (2020)	`AVNN=0.51, DistPc=1013.0, AgeNN=8.54`
Dias et al. (2021)	`Av=1.022, Dist=955, logage=8.424, [Fe/H]=-0.043`
Tarricq et al. (2022)	`Dist=988, logAgeNN=8.54`
He et al. (2022)	`A0=1.05, logAge=7.8`
Hunt & Reffert (2023)	`AV50=0.729, diffAV50=1.087, MOD50=9.836, logAge50=8.297`
Cavallo et al. (2024)	`AV50=0.72, dMod50=9.91, logAge50=8.64, [Fe/H]50=0.32`
Hunt & Reffert (2024)	`MassJ=238.799, MassTot=247.615`
Almeida et al. (2025)	`AV=1.022, Dist=955, logAge=8.424, MassRk=169.4`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 14424	65.8	137.03	-43.37	1.02	-7.68	1.97	25.69	0.0