UBC 1158

0.35 UTI

0.32

C_N

0.81

C_dens

0.5

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 32

Core radius and density 0.9 [pc], 4.1 [pc^-2]

C3 classification BB

C_N 0.32 Poorly populated
C_dens 0.81 Dense
C_C3 0.5 Intermediate 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 1158 is a poorly populated, dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near 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.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.49 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.49 (50th percentile).

Data

🔍 Search references for UBC 1158 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–	332.338	56.585	0.345	-4.808	-3.457	-46.938
Hunt & Reffert	2024	332.332	56.586	0.336	-4.774	-3.44	-46.931
Cavallo et al.	2024	332.374	56.595	0.335	–	–	–
Hunt & Reffert	2023	332.332	56.586	0.336	-4.774	-3.44	-46.931
Castro-Ginard et al.	2022	332.35	56.59	0.34	-4.79	-3.46	–

💡 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–	2.68	2.13	0.86	172	0.140	263	–	–
Hunt & Reffert	2024	2.66	2.13	0.86	169	–	263⁽¹⁾	–	–
Cavallo et al.	2024	2.70	2.38	–	174	0.140	–	–	–
Hunt & Reffert	2023	2.66	2.13	0.86	169	–	–	–	–
Castro-Ginard et al.	2022	3.08	1.80	–	526	–	–	–	–

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

Visualization

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