UBC 86

0.31 UTI

0.29

C_N

0.19

C_dens

0.75

C_C3

0.16

C_lit

1.0

C_dup

N_m (P>50%) 29

Core radius and density 1.7 [pc], 0.9 [pc^-2]

C3 classification AB

C_N 0.29 Poorly populated
C_dens 0.19 Very 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 86 is a poorly populated, very loose 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 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 Moderate extinction Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hu et al. (2021)
Ellipticities (core, all): e_core=0.3947, e_all=0.4532.

Data

🔍 Search references for UBC 86 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–	33.053	57.645	0.366	-0.825	-1.001	–
Hunt & Reffert	2024	33.051	57.658	0.375	-0.84	-1.014	–
Cavallo et al.	2024	33.061	57.631	0.374	–	–	–
Hunt & Reffert	2023	33.051	57.658	0.375	-0.84	-1.014	–
Cantat-Gaudin et al.	2020	33.033	57.619	0.343	-0.847	-0.974	–
Cantat-Gaudin & Anders	2020	33.033	57.619	0.343	-0.847	-0.974	–
Castro-Ginard et al.	2019	33.033	57.606	0.341	-0.849	-0.955	–

💡 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–	2.61	1.23	0.33	43	-0.140	279	–	–
Hunt & Reffert	2024	2.61	1.23	0.33	43	–	279⁽¹⁾	–	–
Cavallo et al.	2024	2.49	1.28	–	65	-0.140	–	–	–
Hunt & Reffert	2023	2.61	1.23	0.33	43	–	–	–	–
Cantat-Gaudin et al.	2020	2.55	1.16	–	44	–	–	–	–
Kounkel et al.	2020	3.20	1.48	–	20	–	–	–	–
Cantat-Gaudin & Anders	2020	2.69	–	–	–	–	–	–	–

(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 3744	27.6	33.13	57.56	0.38	-0.8	-1.07	13.37	0.11

💡 Note: The % column shows the percentage of members that UBC 86 shares with each listed object.

Visualization

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