UBC 186

0.10 UTI

0.27

C_N

0.07

C_dens

0.75

C_C3

0.06

C_lit

0.41

C_dup

N_m (P>50%) 27

Core radius and density 3.1 [pc], 0.3 [pc^-2]

C3 classification BA

C_N 0.27 Poorly populated
C_dens 0.07 Very loose
C_C3 0.75 High quality
C_lit 0.06 Rarely studied
C_dup 0.41 Possibly duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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UBC 186 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 massive, young cluster (see Parameters). It is rarely studied in the literature.

⚠️ Warning: This is possibly a duplicate object, which shares a significant percentage of members with at least one previously reported entry. See table with shared members information.

Relatively close Moderate extinction Massive Young

Data

🔍 Search references for UBC 186 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–	23.474	60.66	0.344	-1.344	-0.509	–
Celli et al.	2024	23.711	60.658	–	–	–	–
Cantat-Gaudin et al.	2020	23.711	60.658	0.338	-1.326	-0.462	–
Castro-Ginard et al.	2020	23.873	60.697	0.342	-1.312	-0.461	–

💡 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–	2.735	1.19	–	23	–	3004	–	–
Celli et al.	2024	–	–	–	23	–	3004	–	–
Cantat-Gaudin et al.	2020	2.52	1.08	–	23	–	–	–	–
Kounkel et al.	2020	2.95	1.30	–	19	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
NGC 581	59.3	23.34	60.66	0.36	-1.4	-0.58	-38.14	0.96
Gulliver 16	11.1	23.42	60.75	0.21	-1.28	-0.65	-37.02	0.33
Schoenball 1	7.4	23.42	60.75	0.23	-1.29	-0.65	-37.74	0.1
Teutsch J0135.2+6041	3.7	23.44	60.67	0.36	-1.44	-0.61	-38.14	0.05

💡 Note: The % column shows the percentage of members that UBC 186 shares with each listed object.

Visualization

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