CWNU 3998

0.34 UTI

0.73

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

0.69

C_dup

C3 classification AB

Number of members (P>50%) 96

Radius (P>50% members) 1.7 [arcmin]

C_N 0.73 Moderately populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 0.69 Likely unique

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

Overview

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CWNU 3998 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a large distance, below the mid-plane, affected by very high extinction. It is catalogued as a very young 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.

Very distant Very high extinction Very young

Data

🔍 Search references for CWNU 3998 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	–	204.58	-63.426	0.188	-7.802	-1.691	-26.39
He et al.	2023	204.594	-63.435	0.187	-7.765	-1.732	-21.75

💡 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	6.92	6.05	–	2	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HSC 2599	31.2	204.58	-63.42	0.17	-7.84	-1.66	-14.49	0.36

💡 Note: The % column shows the percentage of members that CWNU 3998 shares with each listed object.

Visualization

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