CWNU 2330

0.32 UTI

0.33

C_N

0.09

C_dens

1.0

C_C3

0.1

C_lit

1.0

C_dup

N_m (P>50%) 33

Core radius and density 3.5 [pc], 0.5 [pc^-2]

C3 classification AA

C_N 0.33 Poorly populated
C_dens 0.09 Very loose
C_C3 1.0 Very high quality
C_lit 0.1 Rarely studied
C_dup 1.0 Unique

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

Overview

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CWNU 2330 is a poorly populated, very loose object of very high 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, old cluster (see Parameters). It was recently reported in the literature.

Relatively close High extinction Near-solar metallicity Old

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD classes: 0.24 (50th percentile), true positive? (human-assigned).

Hunt & Reffert (2023)
Classified as open cluster. CMD classes: 0.24 (50th percentile), true positive? (human-assigned).

Data

🔍 Search references for CWNU 2330 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–	240.885	-51.91	0.404	-3.207	-3.807	-4.375
Hu & Soubiran	2025	240.882	-51.889	–	–	–	–
Hunt & Reffert	2024	241.016	-51.85	0.396	-3.149	-3.746	-2.556
Cavallo et al.	2024	240.882	-51.888	0.399	–	–	–
Hunt & Reffert	2023	241.016	-51.85	0.396	-3.149	-3.746	-2.556
He et al.	2023	240.878	-51.921	0.404	-3.207	-3.814	-4.69

💡 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–	2.25	3.875	2.36	1096	-0.360	504	–	–
Hu & Soubiran	2025	–	–	–	–	-0.380⁽⁵⁾	–	–	–
Hunt & Reffert	2024	2.25	3.87	2.36	1097	–	504⁽¹⁾	–	–
Cavallo et al.	2024	2.77	4.08	–	550	-0.340	–	–	–
Hunt & Reffert	2023	2.25	3.88	2.36	1096	–	–	–	–
He et al.	2023	2.19	3.65	–	1122	–	–	–	–

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

Visualization

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