UBC 440

N_50

r_50

2.2

Summary

UBC 440 is a poorly populated, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, well above the mid-plane. It is moderately studied in the literature.

This object shares a large 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)	113.089	6.042	0.296	-0.992	1.217	–
Cantat-Gaudin et al. (2020)	113.09	6.015	0.297	-0.961	1.217	–
Hunt & Reffert (2023)	113.101	5.992	0.314	-0.889	1.242	65.922
Cavallo et al. (2024)	113.097	6.007	0.31	–	–	–
Hunt & Reffert (2024)	113.101	5.992	0.314	-0.889	1.242	65.922
Hu & Soubiran (2025)	113.097	6.007	–	–	–	–

UCC	113.103	5.994	0.295	-0.909	1.25	65.923

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
Cantat-Gaudin et al. (2020)	`AVNN=0.28, DistPc=3158.0, AgeNN=9.01`
Hunt & Reffert (2023)	`AV50=0.102, diffAV50=0.379, MOD50=12.329, logAge50=9.025`
Cavallo et al. (2024)	`AV50=0.46, dMod50=12.34, logAge50=9.05, [Fe/H]50=-0.32`
Hunt & Reffert (2024)	`MassJ=221.664, MassTot=221.664`
Hu & Soubiran (2025)	`MA22=-0.32, MA23f=-0.53, MZ23=-0.43, MK24=-0.26, MF24=-0.22`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 13248	78.0	113.1	5.99	0.29	-0.9	1.26	65.92	0.0