CWWL 2073

0.13 UTI

0.0

C_N

0.08

C_dens

0.38

C_C3

0.1

C_lit

1.0

C_dup

N_m (P>50%) 19

Core radius and density 1.5 [pc], 0.4 [pc^-2]

C3 classification CB

C_N 0.0 Sparse
C_dens 0.08 Very loose
C_C3 0.38 Low quality
C_lit 0.1 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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CWWL 2073 is a sparse, very loose object of low C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It was recently reported in the literature.

Note: This object shares a moderate percentage of members with at least one entry reported in the same catalogue. See table with shared members information.

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Distant Low extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Data

🔍 Search references for CWWL 2073 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–	116.952	-24.702	0.208	-1.531	1.84	70.755
Hu & Soubiran	2025	116.988	-24.73	–	–	–	–
Hunt & Reffert	2024	116.942	-24.705	0.205	-1.554	1.817	72.326
Cavallo et al.	2024	116.988	-24.73	0.206	–	–	–
Hunt & Reffert	2023	116.942	-24.705	0.205	-1.554	1.817	72.326
Chi et al.	2023	116.97	-24.682	0.23	-1.512	2.117	–

💡 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–	4.12	0.56	0.69	558	-0.170	157	–	–
Hu & Soubiran	2025	–	–	–	–	-0.170⁽⁵⁾	–	–	–
Hunt & Reffert	2024	4.12	0.56	0.69	559	–	157⁽¹⁾	–	–
Cavallo et al.	2024	3.09	1.14	–	550	-0.230	–	–	–
Hunt & Reffert	2023	4.12	0.56	0.69	558	–	–	–	–
Chi et al.	2023	–	–	–	600	0.119	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 3069	56.0	116.94	-24.7	0.21	-1.54	1.78	–	0.07
CWWL 1438	36.0	116.9	-24.76	0.23	-1.57	1.86	62.24	0.05

💡 Note: The % column shows the percentage of members that CWWL 2073 shares with each listed object.

Visualization

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