CWNU 4000

0.04 UTI

0.26

C_N

0.08

C_dens

0.25

C_C3

0.0

C_lit

0.31

C_dup

C3 classification CC

Number of members (P>50%) 26

Radius (P>50% members) 5.6 [arcmin]

C_N 0.26 Poorly populated
C_dens 0.08 Very loose
C_C3 0.25 Low quality
C_lit 0.0 Rarely studied
C_dup 0.31 Possibly duplicate

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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CWNU 4000 is a poorly populated, very loose object of low C3 quality. Its parallax locates it at a moderate distance, near 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 4000 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	–	79.527	37.494	0.2	0.203	-0.366	-9.665
He et al.	2023	79.525	37.514	0.188	0.204	-0.391	-9.66

💡 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]	Bfr	BSS
He et al.	2023	4.57	2.15	–	1000	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
BDSB 68	69.2	79.56	37.56	0.25	0.18	-0.42	-0.14	0.15
Kronberger 18	19.2	79.6	37.61	0.3	0.07	-0.24	11.4	0.38

💡 Note: The % column shows the percentage of members that CWNU 4000 shares with each listed object.

Visualization

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