CWNU 1931

0.30 UTI

0.25

C_N

1.0

C_dens

0.25

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 25

Stellar density (N₅₀/rad) 15.5 [N/pc²]

C3 classification DB

C_N 0.25 Poorly populated
C_dens 1.0 Very dense
C_C3 0.25 Low quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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CWNU 1931 is a poorly populated, very dense 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.

Relatively close Moderate extinction Old

Data

🔍 Search references for CWNU 1931 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–	71.349	45.819	0.412	1.808	-1.372	-9.986
He et al.	2023	71.353	45.816	0.418	1.809	-1.355	-10.19

💡 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–	2.14	2.95	–	1259	–	–	–	–
He et al.	2023	2.14	2.95	–	1259	–	–	–	–

Visualization

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