CWNU 1665

0.34 UTI

0.28

C_N

0.46

C_dens

0.38

C_C3

0.3

C_lit

1.0

C_dup

N₅₀ (P>50% members) 28

Stellar density (N₅₀/rad) 2.3 [N/pc²]

C3 classification BC

C_N 0.28 Poorly populated
C_dens 0.46 Loose
C_C3 0.38 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 1665 is a poorly populated, loose object of low C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.

Relatively close High extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for CWNU 1665 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–	128.906	-41.692	0.452	-3.226	2.857	–
Hu & Soubiran	2025	128.922	-41.682	–	–	–	–
Hunt & Reffert	2024	128.863	-41.698	0.429	-3.19	2.823	–
Cavallo et al.	2024	128.922	-41.682	0.436	–	–	–
Hunt & Reffert	2023	128.863	-41.698	0.429	-3.19	2.823	–
He et al.	2023	128.906	-41.677	0.454	-3.226	2.853	–

💡 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–	2.04	3.61	2.41	501	0.195	346	–	–
Hu & Soubiran	2025	–	–	–	–	0.120⁽⁵⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	346⁽¹⁾	–	–
Cavallo et al.	2024	2.03	3.61	–	501	0.270	–	–	–
Hunt & Reffert	2023	2.07	3.44	2.41	309	–	–	–	–
He et al.	2023	2.04	3.70	–	501	–	–	–	–

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

Visualization

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