UPK 131

N_50

r_50

11.3

Summary

UPK 131 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 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)	315.501	45.37	–	2.83	-1.09	–
Cantat-Gaudin et al. (2020)	315.517	45.391	1.013	2.833	-1.08	–
Dias et al. (2021)	315.489	45.388	1.018	2.793	-1.129	–
Tarricq et al. (2022)	315.448	45.407	0.999	2.837	-1.124	–
He et al. (2022)	315.57	45.385	1.011	2.829	-1.133	–
Hunt & Reffert (2023)	315.477	45.448	1.015	2.723	-1.249	-13.52
Cavallo et al. (2024)	315.542	45.319	1.019	–	–	–
Hunt & Reffert (2024)	315.477	45.448	1.015	2.723	-1.249	-13.52
Alfonso et al. (2024)	315.46	45.404	0.988	2.799	-1.192	–
Almeida et al. (2025)	315.489	45.388	–	–	–	–

UCC	315.508	45.422	1.016	2.832	-1.121	-7.468

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=976, log(age)=8.75`
Cantat-Gaudin et al. (2020)	`AVNN=1.11, DistPc=964.0, AgeNN=8.73`
Dias et al. (2021)	`Av=1.841, Dist=961, logage=8.664, [Fe/H]=0.011`
Tarricq et al. (2022)	`Dist=940, logAgeNN=8.75`
He et al. (2022)	`A0=2.0, logAge=8.65`
Hunt & Reffert (2023)	`AV50=1.778, diffAV50=1.969, MOD50=9.871, logAge50=8.541`
Cavallo et al. (2024)	`AV50=1.83, dMod50=9.98, logAge50=8.65, [Fe/H]50=0.44`
Hunt & Reffert (2024)	`MassJ=212.520, MassTot=335.200`
Alfonso et al. (2024)	`AV=1.10999, MOD=9.91975, logAge=8.85491, Z=0.01122`
Almeida et al. (2025)	`AV=1.841, Dist=961, logAge=8.664, MassRk=162.3`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 14408	54.7	315.45	45.38	1.01	2.82	-1.13	-8.46	0.02