CWNU 1586

0.20 UTI

0.0

C_N

0.15

C_dens

0.25

C_C3

0.3

C_lit

1.0

C_dup

N₅₀ (P>50% members) 23

Stellar density (N₅₀/rad) 0.8 [N/pc²]

C3 classification DB

C_N 0.0 Sparse
C_dens 0.15 Very loose
C_C3 0.25 Low quality
C_lit 0.3 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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CWNU 1586 is a sparse, very loose object of low C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.

Relatively close Low extinction Near-solar metallicity Intermediate age

Palma et al. (2025)
Classified as optical pair P320, along with Trumpler_9.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for CWNU 1586 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–	118.296	-26.608	0.37	-2.098	0.57	46.144
Hu & Soubiran	2025	118.314	-26.623	–	–	–	–
Hunt & Reffert	2024	118.302	-26.597	0.367	-2.103	0.595	46.143
Cavallo et al.	2024	118.314	-26.623	0.364	–	–	–
Hunt & Reffert	2023	118.302	-26.597	0.367	-2.103	0.595	46.143
He et al.	2023	118.285	-26.613	0.376	-2.092	0.571	46.14

💡 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–	2.42	0.6	1.17	447	0.035	111	–	–
Hu & Soubiran	2025	–	–	–	–	-0.080⁽⁵⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	111⁽¹⁾	–	–
Cavallo et al.	2024	2.42	0.59	–	871	0.150	–	–	–
Hunt & Reffert	2023	2.47	0.60	1.17	390	–	–	–	–
He et al.	2023	2.40	0.85	–	447	–	–	–	–

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

Visualization

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