CWNU 1809

0.33 UTI

0.28

C_N

0.75

C_dens

0.62

C_C3

0.0

C_lit

1.0

C_dup

C3 classification CA

Number of members (P>50%) 28

Radius (P>50% members) 2.7 [arcmin]

C_N 0.28 Poorly populated
C_dens 0.75 Dense
C_C3 0.62 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

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

Overview

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CWNU 1809 is a poorly populated, 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 an intermediate-age cluster (see Parameters). It was recently reported in the literature.

Distant Moderate extinction Intermediate age

Data

🔍 Search references for CWNU 1809 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	–	113.276	-18.874	0.287	-1.727	1.275	60.84
He et al.	2023	113.285	-18.871	0.293	-1.706	1.286	59.11

💡 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	3.31	1.85	–	794	–	–	–	–

Visualization

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