UBC 620

N_50

r_50

7.6

Summary

UBC 620 is a sparse, loose object of intermediate C3 quality. It is located at a relatively close distance from the Sun, below the mid-plane. It is moderately studied in the literature.

This object shares a small percentage of members with a later reported entry.

Warning: contains less than 25 stars with P>0.5 estimated.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Castro-Ginard et al. (2020)	97.935	2.52	0.658	-1.61	-0.218	–
Cantat-Gaudin et al. (2020)	97.923	2.501	0.659	-1.615	-0.203	–
Dias et al. (2021)	97.964	2.531	0.664	-1.6	-0.224	–
Hunt & Reffert (2023)	97.939	2.454	0.664	-1.671	-0.21	–
Cavallo et al. (2024)	97.967	2.511	0.663	–	–	–
Hunt & Reffert (2024)	97.939	2.454	0.664	-1.671	-0.21	–
Almeida et al. (2025)	97.964	2.531	–	–	–	–

UCC	97.942	2.501	0.657	-1.664	-0.203	–

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
Cantat-Gaudin et al. (2020)	`AVNN=1.42, DistPc=1443.0, AgeNN=7.7`
Dias et al. (2021)	`Av=1.89, Dist=1464, logage=7.445, [Fe/H]=0.137`
Tarricq et al. (2022)	`Dist=1376, logAgeNN=7.8`
Hunt & Reffert (2023)	`AV50=1.901, diffAV50=1.333, MOD50=10.89, logAge50=7.712`
Cavallo et al. (2024)	`AV50=2.11, dMod50=10.93, logAge50=7.53, [Fe/H]50=-0.13`
Hunt & Reffert (2024)	`MassJ=138.740, MassTot=111.929`
Almeida et al. (2025)	`AV=1.89, Dist=1464, logAge=7.445, MassRk=173.0`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
LISC-III 1682	16.0	98.27	2.47	0.63	-2.29	-0.53	-17.72	0.15