CWNU 220

0.00 UTI

0.25

C_N

1.0

C_dens

0.5

C_C3

0.0

C_lit

0.0

C_dup

N_m (P>50%) 25

Core radius and density 0.5 [pc], 7.6 [pc^-2]

C3 classification DA

C_N 0.25 Poorly populated
C_dens 1.0 Very dense
C_C3 0.5 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 0.0 Very likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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CWNU 220 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, old cluster, but with a large variance across recent sources for the age parameter (see Parameters). It is rarely studied in the literature.

⚠️ Warning: This is very likely a duplicate object, which shares a large percentage of members with at least one previously reported entry. See table with shared members information.

Note: This object contains blue stragglers according to at least one source.

Relatively close Moderate extinction Near-solar metallicity Old Contains BSS

Data

🔍 Search references for CWNU 220 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–	244.929	-49.968	0.385	-3.115	-2.441	-59.48
Li et al.	2023	244.941	-49.968	0.39	-3.11	-2.47	–
He et al.	2022	244.943	-49.967	0.4	-3.11	-2.44	-24.9

💡 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–	2.32	2.49	–	2090	-0.121	–	–	1
Li et al.	2023	2.19	1.75	–	3548	-0.140	–	–	1⁽¹⁾
He et al.	2022	2.45	3.23	–	631	-0.103	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 1548	100.0	244.94	-49.96	0.38	-3.11	-2.49	-58.83	0.49

💡 Note: The % column shows the percentage of members that CWNU 220 shares with each listed object.

Visualization

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