UPK 84

N_50

r_50

149

21.8

Summary

UPK 84 is a rich, dense object of very high C3 quality. It is located at a close distance from the Sun, below the mid-plane. It is moderately studied in the literature.

Warning: This is possibly a duplicated object, which shares a significant percentage of members with at least one previously reported entry.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Sim et al. (2019)	310.219	20.175	–	-6.25	-9.25	–
Cantat-Gaudin et al. (2020)	310.245	20.212	1.08	-6.258	-9.248	–
Dias et al. (2021)	310.255	20.17	1.097	-6.298	-9.272	24.598
Tarricq et al. (2022)	310.191	20.082	1.097	-6.287	-9.303	–
He et al. (2022)	310.201	20.115	1.074	-6.286	-9.3	–
Alfonso et al. (2024)	310.231	20.191	1.049	-6.293	-9.297	–
Almeida et al. (2025)	310.255	20.17	–	–	–	–

UCC	310.224	20.21	1.078	-6.295	-9.294	24.191

Galactocentric position

How are the galactocentric plots generated?

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Estimated members

1 2

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Fundamental parameters

Reference	Values
Sim et al. (2019)	`d_pc=904, log(age)=8.75`
Cantat-Gaudin et al. (2020)	`AVNN=0.31, DistPc=944.0, AgeNN=9.0`
Dias et al. (2021)	`Av=0.274, Dist=871, logage=9.073, [Fe/H]=-0.059`
Tarricq et al. (2022)	`Dist=915, logAgeNN=9.01`
He et al. (2022)	`A0=0.3, logAge=9.05`
Alfonso et al. (2024)	`AV=0.30930, MOD=9.87981, logAge=8.97935, Z=-0.0591`
Almeida et al. (2025)	`AV=0.274, Dist=871, logAge=9.073, MassRk=147.2`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Alessi 116	60.4	310.21	20.16	1.08	-6.29	-9.3	24.38	0.71
CWWDL 14281	36.9	310.2	20.17	1.07	-6.28	-9.3	23.99	0.0
UBC 131	20.8	310.18	20.07	1.06	-6.26	-9.29	24.32	0.0