UBC 1189

0.42 UTI

0.38

C_N

0.85

C_dens

0.75

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 38

Core radius and density 0.9 [pc], 4.2 [pc^-2]

C3 classification AB

C_N 0.38 Poorly populated
C_dens 0.85 Dense
C_C3 0.75 High quality
C_lit 0.06 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 1189 is a poorly populated, dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate 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 large percentage of members with 2 later reported entries. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

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).

Data

🔍 Search references for UBC 1189 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–	356.063	62.675	0.368	-3.842	-1.92	–
Hunt & Reffert	2024	356.059	62.672	0.359	-3.84	-1.925	–
Cavallo et al.	2024	356.094	62.662	0.362	–	–	–
Hunt & Reffert	2023	356.059	62.672	0.359	-3.84	-1.925	–
Castro-Ginard et al.	2022	356.05	62.66	0.37	-3.85	-1.92	–

💡 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–	2.595	2.17	1.23	131	0.240	366	–	–
Hunt & Reffert	2024	2.55	2.17	1.23	131	–	366⁽¹⁾	–	–
Cavallo et al.	2024	2.64	2.32	–	158	0.240	–	–	–
Hunt & Reffert	2023	2.55	2.17	1.23	131	–	–	–	–
Castro-Ginard et al.	2022	2.89	2.06	–	127	–	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 219	89.5	356.06	62.67	0.37	-3.84	-1.92	–	0.02
CWWDL 2585	2.6	356.0	62.66	0.33	-3.68	-1.47	-65.43	0.22

💡 Note: The % column shows the percentage of members that UBC 1189 shares with each listed object.

Visualization

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