CWNU 3581

0.04 UTI

0.3

C_N

0.06

C_dens

0.38

C_C3

0.0

C_lit

0.27

C_dup

N_m (P>50%) 30

Core radius and density 5.1 [pc], 0.3 [pc^-2]

C3 classification BC

C_N 0.3 Poorly populated
C_dens 0.06 Very loose
C_C3 0.38 Low quality
C_lit 0.0 Rarely studied
C_dup 0.27 Possibly duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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CWNU 3581 is a poorly populated, very loose object of low C3 quality. Its parallax locates it at a moderate distance, below 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 possibly a duplicate object, which shares a significant percentage of members with at least one previously reported entry. See table with shared members information.

Distant Moderate extinction Old

Data

🔍 Search references for CWNU 3581 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–	99.723	1.804	0.252	0.355	-1.079	29.822
He et al.	2023	99.729	1.793	0.249	0.355	-1.069	28.21

💡 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–	3.63	2.75	–	1000	–	–	–	–
He et al.	2023	3.63	2.75	–	1000	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HSC 1655	73.3	99.74	1.8	0.25	0.35	-1.07	29.82	0.06

💡 Note: The % column shows the percentage of members that CWNU 3581 shares with each listed object.

Visualization

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