CWNU 3284

0.07 UTI

0.76

C_N

0.57

C_dens

0.5

C_C3

0.0

C_lit

0.18

C_dup

N_m (P>50%) 117

Core radius and density 2.0 [pc], 2.9 [pc^-2]

C3 classification BB

C_N 0.76 Rich
C_dens 0.57 Moderately dense
C_C3 0.5 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 0.18 Likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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CWNU 3284 is a rich, moderately dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as an old cluster (see Parameters). It was recently reported in the literature.

⚠️ Warning: This is 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.

Distant Moderate extinction Old Contains BSS

Data

🔍 Search references for CWNU 3284 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–	356.825	68.243	0.215	-2.5	-0.067	-75.188
Cui et al.	2025	356.832	68.242	0.22	-2.51	-0.07	–
He et al.	2023	356.83	68.238	0.215	-2.508	-0.067	-75.19

💡 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–	4.07	3.0	–	4496	–	–	–	13
Cui et al.	2025	–	2.90	–	5012	–	–	–	13⁽¹⁾
He et al.	2023	4.07	3.10	–	3981	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HSC 936	82.1	356.83	68.25	0.21	-2.51	-0.06	-75.19	0.39
CWNU 2851	1.7	357.07	68.27	0.3	-3.03	0.09	-50.76	0.09

💡 Note: The % column shows the percentage of members that CWNU 3284 shares with each listed object.

Visualization

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