CWNU 3863

0.04 UTI

0.52

C_N

0.47

C_dens

0.5

C_C3

0.0

C_lit

0.14

C_dup

N_m (P>50%) 55

Core radius and density 1.9 [pc], 2.3 [pc^-2]

C3 classification BB

C_N 0.52 Moderately populated
C_dens 0.47 Loose
C_C3 0.5 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 0.14 Likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

ℹ️

CWNU 3863 is a moderately populated, loose object of intermediate C3 quality. Its parallax locates it at a large^* distance, well 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.

(*): The parallax distance estimate (~8.75 kpc) differs significantly from the median photometric distance (~6.03 kpc).

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

Very distant Moderate extinction Old Contains BSS

Data

🔍 Search references for CWNU 3863 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	305.302	48.141	0.114	-3.963	-4.651	-68.164
Cui et al.	2025	305.308	48.141	0.13	-3.95	-4.67	–
He et al.	2023	305.304	48.141	0.131	-3.953	-4.672	-68.74

💡 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–	6.03	2.825	–	2145	–	–	–	4
Cui et al.	2025	–	2.80	–	1778	–	–	–	4⁽¹⁾
He et al.	2023	6.03	2.85	–	2512	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Berkeley 88	85.5	305.31	48.14	0.12	-3.97	-4.66	-68.16	0.35

💡 Note: The % column shows the percentage of members that CWNU 3863 shares with each listed object.

Visualization

ℹ️