CWNU 3931

0.17 UTI

0.38

C_N

0.08

C_dens

1.0

C_C3

0.0

C_lit

0.58

C_dup

C3 classification AA

Number of members (P>50%) 38

Radius (P>50% members) 1.4 [arcmin]

C_N 0.38 Poorly populated
C_dens 0.08 Very loose
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.58 Likely unique

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

Overview

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CWNU 3931 is a poorly populated, very loose object of very high C3 quality. Its parallax locates it at a very large distance, below the mid-plane, affected by high extinction. It is catalogued as an intermediate-age cluster (see Parameters). It was recently reported in the literature.

Note: This is likely a unique object, which shares a moderate percentage of members with at least one previously reported entry. See table with shared members information.

Extremely distant High extinction Intermediate age

Data

🔍 Search references for CWNU 3931 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	–	137.6	-49.914	0.043	-3.121	3.357	46.878
He et al.	2023	137.603	-49.909	0.049	-3.026	3.357	46.88

💡 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	26.30	4.25	–	794	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
SAI 105	42.1	137.6	-49.9	0.08	-3.3	3.37	46.88	0.17

💡 Note: The % column shows the percentage of members that CWNU 3931 shares with each listed object.

Visualization

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