UBC 443

0.66 UTI

0.53

C_N

1.0

C_dens

0.75

C_C3

0.5

C_lit

1.0

C_dup

N₅₀ (P>50% members) 56

Stellar density (N₅₀/rad) 6.3 [N/pc²]

C3 classification AB

C_N 0.53 Moderately populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.5 Moderately studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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UBC 443 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, old cluster (see Parameters). It is moderately studied in the literature.

Note: This object shares a moderate percentage of members with a later reported entry. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Old

Cavallo et al. (2024)
Gold sample.

Almeida et al. (2025)
Mass determination: good fit. Isochrone match: intermediate fit.

Data

🔍 Search references for UBC 443 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–	98.644	-6.827	0.292	0.265	0.08	27.977
Li et al.	2025	98.638	-6.818	0.298	0.256	0.076	–
Hu & Soubiran	2025	98.63	-6.804	–	–	–	–
Almeida et al.	2025	98.631	-6.795	–	–	–	–
Hunt & Reffert	2024	98.643	-6.834	0.289	0.247	0.077	20.054
Cavallo et al.	2024	98.63	-6.804	0.295	–	–	–
Hunt & Reffert	2023	98.643	-6.834	0.289	0.247	0.077	20.054
Dias et al.	2021	98.631	-6.795	0.275	0.228	0.082	25.029
Cantat-Gaudin et al.	2020	98.638	-6.818	0.298	0.256	0.076	–
Castro-Ginard et al.	2020	98.631	-6.804	0.303	0.245	0.08	–

💡 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–	2.725	1.07	1.22	1005	-0.176	305	–	–
Li et al.	2025	2.75	0.94	–	1474	-0.183	–	–	–
Hu & Soubiran	2025	–	–	–	–	-0.210⁽⁵⁾	–	–	–
Almeida et al.	2025	2.70	1.54	–	782	–	231	–	–
Hunt & Reffert	2024	–	–	–	–	–	379⁽¹⁾	–	–
Cavallo et al.	2024	2.57	1.20	–	1230	-0.170	–	–	–
Hunt & Reffert	2023	3.16	0.69	1.22	1119	–	–	–	–
Dias et al.	2021	2.70	1.54	–	782	-0.152	–	–	–
Cantat-Gaudin et al.	2020	3.18	0.90	–	891	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 65	30.4	98.66	-6.84	0.3	0.28	0.17	30.88	0.07

💡 Note: The % column shows the percentage of members that UBC 443 shares with each listed object.

Visualization

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