CWNU 397

0.16 UTI

0.67

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

0.3

C_dup

C3 classification AA

Number of members (P>50%) 84

Radius (P>50% members) 3.8 [arcmin]

C_N 0.67 Moderately populated
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.3 Possibly duplicate

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

Overview

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CWNU 397 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, intermediate-age cluster (see Parameters). It is rarely studied 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.

Relatively close Moderate extinction Metal-rich Intermediate age

Data

🔍 Search references for CWNU 397 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	–	278.319	-13.062	0.392	-0.929	-0.248	1.269
He et al.	2022	278.325	-13.052	0.39	-0.94	-0.25	–

💡 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	2.63	2.40	–	501	0.805	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 1976	90.5	278.32	-13.06	0.39	-0.93	-0.25	1.27	0.0
UBC 1022	70.2	278.32	-13.06	0.39	-0.93	-0.24	1.27	0.51

💡 Note: The % column shows the percentage of members that CWNU 397 shares with each listed object.

Visualization

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