CWNU 2644

0.28 UTI

0.0

C_N

0.08

C_dens

0.62

C_C3

0.35

C_lit

1.0

C_dup

N₅₀ (P>50% members) 20

Stellar density (N₅₀/rad) 0.4 [N/pc²]

C3 classification AC

C_N 0.0 Sparse
C_dens 0.08 Very loose
C_C3 0.62 Intermediate quality
C_lit 0.35 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 2644 is a sparse, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, below 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

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for CWNU 2644 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–	88.6	11.376	0.458	0.377	-2.752	–
Hu & Soubiran	2025	88.579	11.479	–	–	–	–
Zhang et al.	2024	88.673	11.306	–	–	–	–
Hunt & Reffert	2024	88.673	11.306	0.454	0.336	-2.748	45.279
Cavallo et al.	2024	88.579	11.479	0.455	–	–	–
Hunt & Reffert	2023	88.673	11.306	0.454	0.336	-2.748	45.279
He et al.	2023	88.56	11.489	0.475	0.362	-2.752	45.1

💡 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–	1.94	0.7	0.87	656	-0.280	65	–	–
Hu & Soubiran	2025	–	–	–	–	-0.340⁽⁵⁾	–	–	–
Zhang et al.	2024	–	–	–	–	-0.165⁽¹⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	65⁽¹⁾	–	–
Cavallo et al.	2024	1.94	0.92	–	501	-0.280	–	–	–
Hunt & Reffert	2023	1.99	0.45	0.87	656	–	–	–	–
He et al.	2023	1.86	0.70	–	708	–	–	–	–

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

Visualization

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