UBC 235

0.42 UTI

0.76

C_N

0.27

C_dens

0.75

C_C3

0.16

C_lit

1.0

C_dup

N_m (P>50%) 115

Core radius and density 2.8 [pc], 1.3 [pc^-2]

C3 classification AB

C_N 0.76 Rich
C_dens 0.27 Loose
C_C3 0.75 High quality
C_lit 0.16 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 235 is a rich, loose object of high C3 quality. Its parallax locates it at a relatively close distance, near 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 moderate percentage of members with a later reported entry. See table with shared members information.

Relatively close Low extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.98 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.98 (50th percentile).

Data

🔍 Search references for UBC 235 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–	117.334	-29.34	0.572	-4.215	2.792	33.753
Li et al.	2025	117.326	-29.349	0.557	-4.254	2.774	–
Hunt & Reffert	2024	117.351	-29.346	0.576	-4.207	2.795	53.712
Cavallo et al.	2024	117.303	-29.316	0.575	–	–	–
Hunt & Reffert	2023	117.351	-29.346	0.576	-4.207	2.795	53.712
Cantat-Gaudin et al.	2020	117.326	-29.349	0.557	-4.254	2.774	–
Castro-Ginard et al.	2020	117.314	-29.36	0.561	-4.263	2.77	–

💡 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–	1.645	0.96	2.41	182	0.055	377	–	–
Li et al.	2025	1.55	0.66	–	266	-0.040	–	–	–
Hunt & Reffert	2024	1.65	0.96	2.41	182	–	377⁽¹⁾	–	–
Cavallo et al.	2024	1.64	1.03	–	229	0.150	–	–	–
Hunt & Reffert	2023	1.65	0.96	2.41	182	–	–	–	–
Cantat-Gaudin et al.	2020	1.70	0.72	–	110	–	–	–	–
Kounkel et al.	2020	1.56	1.23	–	68	–	–	–	–

(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 4791	40.0	117.34	-29.37	0.57	-4.21	2.8	33.75	0.0

💡 Note: The % column shows the percentage of members that UBC 235 shares with each listed object.

Visualization

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