UBC 44

0.40 UTI

0.62

C_N

0.36

C_dens

0.75

C_C3

0.13

C_lit

1.0

C_dup

N_m (P>50%) 74

Core radius and density 1.7 [pc], 1.8 [pc^-2]

C3 classification AB

C_N 0.62 Moderately populated
C_dens 0.36 Loose
C_C3 0.75 High quality
C_lit 0.13 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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UBC 44 is a moderately populated, loose object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

Note: This object shares a large percentage of members with 2 later reported entries. See table with shared members information.

Relatively close Low extinction Near-solar metallicity Intermediate age

Hu et al. (2021)
Ellipticities (core, all): e_core=0.2587, e_all=0.2504.

Data

🔍 Search references for UBC 44 in: SciX Simbad

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Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	31.118	54.368	0.368	-2.277	-0.258	-37.933
Li et al.	2025	31.11	54.359	0.36	-2.215	-0.212	–
Jadhav & Subramaniam	2021	31.11	54.359	–	–	–	–
Cantat-Gaudin et al.	2020	31.11	54.359	0.36	-2.215	-0.212	–
Cantat-Gaudin & Anders	2020	31.11	54.359	0.36	-2.215	-0.212	–
Castro-Ginard et al.	2019	31.113	54.357	0.352	-2.199	-0.227	–

💡 Note: The UCC values are estimated from its identified members.

Reference	Year	Dist [kpc]	Av [mag]	DAv [mag]	Age [Myr]	[Fe/H] [dex]	Mass [Msun]	B_frac	BSS
UCC	99999–	2.63	0.57	–	813	0.171	355	–	0
Li et al.	2025	2.63	0.63	–	872	0.171	–	–	–
Jadhav & Subramaniam	2021	2.74	0.51	–	813	–	355	–	0⁽¹⁾
Cantat-Gaudin et al.	2020	2.74	0.51	–	813	–	–	–	–
Kounkel et al.	2020	2.57	1.57	–	562	–	–	–	–
Cantat-Gaudin & Anders	2020	2.57	–	–	–	–	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Patchick 12	100.0	31.12	54.36	0.37	-2.28	-0.26	-37.93	0.13
CWWDL 3347	52.7	31.11	54.36	0.37	-2.3	-0.25	-37.93	0.0

💡 Note: The % column shows the percentage of members that UBC 44 shares with each listed object.

Visualization

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