UBC 637

N_50

r_50

2.0

Summary

UBC 637 is a moderately populated, very dense object of very high C3 quality. It is located at a large distance from the Sun, well above the mid-plane. It is moderately studied in the literature.

This object shares a moderate 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. (2020)	123.747	-22.175	0.185	-2.137	2.038	–
Cantat-Gaudin et al. (2020)	123.755	-22.189	0.183	-2.149	2.021	–
Dias et al. (2021)	123.748	-22.18	0.176	-2.136	2.035	–
Hunt & Reffert (2023)	123.753	-22.193	0.169	-2.126	2.038	99.168
Cavallo et al. (2024)	123.758	-22.192	0.171	–	–	–
Hunt & Reffert (2024)	123.753	-22.193	0.169	-2.126	2.038	99.168
Almeida et al. (2025)	123.748	-22.18	–	–	–	–
Hu & Soubiran (2025)	123.758	-22.192	–	–	–	–

UCC	123.753	-22.198	0.175	-2.11	2.047	99.727

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=0.33, DistPc=4684.0, AgeNN=9.22`
Dias et al. (2021)	`Av=0.536, Dist=5109, logage=9.272, [Fe/H]=-0.302`
Hunt & Reffert (2023)	`AV50=0.117, diffAV50=0.55, MOD50=13.474, logAge50=9.329`
Cavallo et al. (2024)	`AV50=1.02, dMod50=12.55, logAge50=9.56, [Fe/H]50=-1.08`
Hunt & Reffert (2024)	`MassJ=527.504, MassTot=723.922`
Almeida et al. (2025)	`AV=0.536, Dist=5109, logAge=9.272, MassRk=767.3`
Hu & Soubiran (2025)	`MA22=-0.27, MA23f=-0.39, MA23g=-0.26, MZ23=-0.29, MK24=-0.36, MF24=-0.25`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 638	30.5	123.75	-22.19	0.15	-2.1	2.06	99.13	0.48