CWNU 3976

0.28 UTI

0.75

C_N

0.56

C_dens

0.75

C_C3

0.0

C_lit

0.68

C_dup

C3 classification AB

Number of members (P>50%) 111

Radius (P>50% members) 6.1 [arcmin]

C_N 0.75 Rich
C_dens 0.56 Moderately dense
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 0.68 Likely unique

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

Overview

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CWNU 3976 is a rich, moderately dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by very high extinction. It is catalogued as an old 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.

Relatively close Very high extinction Old

Data

🔍 Search references for CWNU 3976 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	–	258.746	-35.984	0.281	-0.94	-2.213	-3.488
He et al.	2023	258.765	-35.995	0.262	-0.925	-2.213	-5.85

💡 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	2.82	5.85	–	1585	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HSC 2899	31.5	258.6	-35.92	0.32	-0.94	-2.2	-23.81	0.26

💡 Note: The % column shows the percentage of members that CWNU 3976 shares with each listed object.

Visualization

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