UBC 660

N_50

r_50

4.4

Summary

UBC 660 is a moderately populated, very dense object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is moderately 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
Castro-Ginard et al. (2020)	168.397	-59.713	0.437	-6.685	0.623	–
Cantat-Gaudin et al. (2020)	168.369	-59.705	0.439	-6.692	0.622	–
Dias et al. (2021)	168.441	-59.715	0.447	-6.711	0.643	1.309
Hunt & Reffert (2023)	168.532	-59.711	0.478	-6.712	0.696	0.062
Cavallo et al. (2024)	168.483	-59.718	0.479	–	–	–
Hunt & Reffert (2024)	168.532	-59.711	0.478	-6.712	0.696	0.062
Almeida et al. (2025)	168.441	-59.715	–	–	–	–
Hu & Soubiran (2025)	168.483	-59.718	–	–	–	–

UCC	168.47	-59.709	0.483	-6.702	0.684	0.424

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=1.18, DistPc=2077.0, AgeNN=9.0`
Dias et al. (2021)	`Av=1.694, Dist=2225, logage=8.732, [Fe/H]=0.222`
Hunt & Reffert (2023)	`AV50=1.295, diffAV50=1.712, MOD50=11.433, logAge50=8.844`
Cavallo et al. (2024)	`AV50=1.41, dMod50=11.54, logAge50=8.89, [Fe/H]50=0.16`
Hunt & Reffert (2024)	`MassJ=394.435, MassTot=431.266`
Almeida et al. (2025)	`AV=1.694, Dist=2225, logAge=8.732, MassRk=266.8`
Hu & Soubiran (2025)	`MA22=-0.25, MA23f=-0.3, MA23g=-0.19, MZ23=-0.36, MK24=-0.27, MF24=-0.22`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 13817	52.5	168.5	-59.71	0.48	-6.7	0.7	0.42	0.04