UBC 77

N_50

r_50

4.2

Summary

UBC 77 is a poorly populated, very dense 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 at least one entry reported in the same catalogue.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Castro-Ginard et al. (2019)	89.213	17.0	0.587	0.323	-1.198	–
Cantat-Gaudin et al. (2020)	89.19	16.997	0.588	0.357	-1.239	–
Dias et al. (2021)	89.207	16.987	0.518	0.354	-1.207	–
Hunt & Reffert (2023)	89.186	16.997	0.576	0.338	-1.202	–
Cavallo et al. (2024)	89.23	16.987	0.584	–	–	–
Hunt & Reffert (2024)	89.186	16.997	0.576	0.338	-1.202	–
Almeida et al. (2025)	89.207	16.987	–	–	–	–

UCC	89.183	16.993	0.597	0.312	-1.224	–

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=0.55, DistPc=1674.0, AgeNN=7.7`
Dias et al. (2021)	`Av=1.082, Dist=1669, logage=8.047, [Fe/H]=-0.108`
Hunt & Reffert (2023)	`AV50=0.764, diffAV50=1.685, MOD50=11.091, logAge50=7.981`
Cavallo et al. (2024)	`AV50=1.2, dMod50=11.06, logAge50=7.59, [Fe/H]50=-0.41`
Hunt & Reffert (2024)	`MassJ=310.985, MassTot=394.220`
Almeida et al. (2025)	`AV=1.082, Dist=1669, logAge=8.047, MassRk=364.5`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 76	13.6	89.02	17.28	0.58	0.13	-1.14	19.3	0.54