CWNU 9

0.42 UTI

0.4

C_N

0.95

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 40

Stellar density (N₅₀/rad) 4.8 [N/pc²]

C3 classification AB

C_N 0.4 Poorly populated
C_dens 0.95 Very dense
C_C3 0.75 High 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 9 is a poorly populated, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, below the mid-plane, affected by moderate extinction. It is catalogued as a metal-poor, very young cluster (see Parameters). It is rarely studied in the literature.

Close Moderate extinction Metal-poor Very young

Data

🔍 Search references for CWNU 9 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–	98.365	-8.118	0.982	-3.399	0.683	33.61
He et al.	2022	98.397	-8.16	1.004	-3.432	0.721	–
He et al.	2022	98.347	-8.068	0.99	-3.38	0.68	–

💡 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–	0.91	1.235	–	10	-0.930	–	–	–
He et al.	2022	–	1.15	–	10	–	–	–	–
He et al.	2022	0.91	1.32	–	10	-0.930	–	–	–

Visualization

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