CWNU 31

0.06 UTI

0.47

C_N

1.0

C_dens

0.5

C_C3

0.0

C_lit

0.15

C_dup

C3 classification DA

Number of members (P>50%) 47

Radius (P>50% members) 3.4 [arcmin]

C_N 0.47 Poorly populated
C_dens 1.0 Very dense
C_C3 0.5 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 0.15 Likely duplicate

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

Overview

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CWNU 31 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, young cluster (see Parameters). It is rarely studied 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.

Relatively close Moderate extinction Metal-rich Young

Data

🔍 Search references for CWNU 31 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	–	217.715	-60.387	0.427	-4.884	-3.057	-85.855
He et al.	2022	217.734	-60.398	0.42	-4.87	-3.03	–

💡 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.	2022	2.24	2.58	–	20	0.862	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 1527	85.1	217.69	-60.4	0.43	-4.9	-3.06	-85.85	0.49

💡 Note: The % column shows the percentage of members that CWNU 31 shares with each listed object.

Visualization

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