UBC 151

0.59 UTI

0.76

C_N

0.7

C_dens

0.75

C_C3

0.38

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 116

Radius (P>50% members) 11.2 [arcmin]

C_N 0.76 Rich
C_dens 0.7 Moderately dense
C_C3 0.75 High quality
C_lit 0.38 Poorly studied
C_dup 1.0 Unique

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

Overview

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UBC 151 is a rich, moderately dense object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly 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 Moderate extinction Near-solar metallicity Intermediate age

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

Data

🔍 Search references for UBC 151 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	–	311.974	47.443	0.566	-2.325	-1.544	-32.249
Li et al.	2025	311.961	47.432	0.565	-2.363	-1.542	–
Almeida et al.	2025	311.996	47.456	–	–	–	–
Almeida et al.	2023	312.014	47.434	–	–	–	–
Dias et al.	2021	311.996	47.456	0.561	-2.366	-1.532	–
Cantat-Gaudin et al.	2020	311.961	47.432	0.565	-2.363	-1.542	–
Castro-Ginard et al.	2020	311.972	47.454	0.569	-2.355	-1.537	–

💡 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
Li et al.	2025	1.52	0.84	–	293	0.042	–	–	–
Almeida et al.	2025	1.64	1.12	–	128	–	508	–	–
Almeida et al.	2023	1.63	1.14	–	163	0.129	413*	0.53	–
Dias et al.	2021	1.64	1.12	–	128	0.211	–	–	–
Cantat-Gaudin et al.	2020	1.68	0.80	–	182	–	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 12290	75.9	311.92	47.42	0.56	-2.32	-1.55	-31.84	0.04
LISC 3287	67.2	311.9	47.42	0.56	-2.31	-1.56	-32.25	0.05

💡 Note: The % column shows the percentage of members that UBC 151 shares with each listed object.

Visualization

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