UBC 41

0.62 UTI

0.46

C_N

1.0

C_dens

0.75

C_C3

0.44

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 46

Radius (P>50% members) 3.5 [arcmin]

C_N 0.46 Poorly populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.44 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 SciX 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

UBC 41 is a poorly 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, young cluster (see Parameters). It is poorly studied in the literature.

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

Relatively close Moderate extinction Near-solar metallicity Young

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

Cavallo et al. (2024): Gold sample.

Data

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	–	23.193	59.79	0.407	-0.762	-0.806	-55.647
Almeida et al.	2025	23.236	59.786	–	–	–	–
Hunt & Reffert	2024	23.252	59.782	0.406	-0.75	-0.827	-46.968
Cavallo et al.	2024	23.204	59.785	0.407	–	–	–
Hunt & Reffert	2023	23.252	59.782	0.406	-0.75	-0.827	-46.968
Dias et al.	2021	23.236	59.786	0.33	-0.787	-0.704	–
Cantat-Gaudin et al.	2020	23.255	59.797	0.384	-0.787	-0.708	–
Castro-Ginard et al.	2019	23.232	59.794	0.382	-0.756	-0.73	–

💡 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]	Bfr	BSS
Almeida et al.	2025	2.35	1.56	–	94	–	459	–	–
Hunt & Reffert	2024	–	–	–	–	–	295*	–	–
Cavallo et al.	2024	2.51	1.20	–	158	0.550	–	–	–
Hunt & Reffert	2023	2.26	1.26	0.96	83	–	–	–	–
Dias et al.	2021	2.35	1.56	–	94	-0.190	–	–	–
Cantat-Gaudin et al.	2020	2.50	1.17	–	65	–	–	–	–

💡 Note: The parameters are sometimes transformed from their original values to match the format of the columns shown here, see FAQ. The columns DAv, Bfr, BSS correspond to differential extinction, binary fraction, and blue stragglers, respectively. BSS values can be listed as fractions or integers.
(*): indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 13366	65.2	23.24	59.78	0.42	-0.77	-0.84	-46.97	0.07

💡 Note: The % column shows the percentage of members that UBC 41 shares with each listed object.

Visualization

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💡 Note: How are the galactocentric plots generated? See FAQ.