UPK 53

N_50

r_50

196

22.6

Summary

UPK 53 is a rich, 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 small percentage of members with 2 later reported entries.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Sim et al. (2019)	288.59	14.388	–	2.44	1.08	–
Cantat-Gaudin et al. (2020)	288.544	14.392	1.661	2.441	1.086	–
Dias et al. (2021)	288.576	14.414	1.665	2.457	1.07	-4.203
Tarricq et al. (2022)	288.508	14.273	1.687	2.45	1.038	–
He et al. (2022)	288.575	14.434	1.679	2.467	1.03	–
Hunt & Reffert (2023)	288.529	14.269	1.678	2.465	1.032	-5.224
Cavallo et al. (2024)	288.519	14.353	1.675	–	–	–
Hunt & Reffert (2024)	288.529	14.269	1.678	2.465	1.032	-5.224
Alfonso et al. (2024)	288.48	14.33	1.642	2.409	1.012	–
Almeida et al. (2025)	288.576	14.414	–	–	–	–

UCC	288.52	14.369	1.682	2.454	1.021	-5.703

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=591, log(age)=8.9`
Cantat-Gaudin et al. (2020)	`AVNN=0.98, DistPc=621.0, AgeNN=8.66`
Dias et al. (2021)	`Av=1.385, Dist=585, logage=8.287, [Fe/H]=0.119`
Tarricq et al. (2022)	`Dist=611, logAgeNN=8.69`
He et al. (2022)	`A0=1.55, logAge=7.85`
Hunt & Reffert (2023)	`AV50=1.31, diffAV50=1.285, MOD50=8.74, logAge50=8.274`
Cavallo et al. (2024)	`AV50=1.37, dMod50=8.89, logAge50=8.33, [Fe/H]50=0.3`
Hunt & Reffert (2024)	`MassJ=433.766, MassTot=517.304`
Alfonso et al. (2024)	`AV=0.97895, MOD=8.97004, logAge=8.68644, Z=0.1189`
Almeida et al. (2025)	`AV=1.385, Dist=585, logAge=8.287, MassRk=245.3`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 14443	19.4	288.5	14.27	1.66	2.44	0.99	-5.64	0.0
CWWDL 14632	15.3	288.6	14.35	1.69	2.42	1.06	-6.7	0.0