CWNU 1769

0.25 UTI

0.32

C_N

0.18

C_dens

0.62

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 32

Core radius and density 1.8 [pc], 0.9 [pc^-2]

C3 classification AC

C_N 0.32 Poorly populated
C_dens 0.18 Very loose
C_C3 0.62 Intermediate quality
C_lit 0.06 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 1769 is a poorly populated, very loose 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 a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.97 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.97 (50th percentile).

Data

🔍 Search references for CWNU 1769 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–	120.106	-32.27	0.453	-2.732	3.059	–
Hunt & Reffert	2024	120.137	-32.246	0.469	-2.737	3.092	–
Cavallo et al.	2024	120.113	-32.256	0.471	–	–	–
Hunt & Reffert	2023	120.137	-32.246	0.469	-2.737	3.092	–
He et al.	2023	120.139	-32.248	0.46	-2.73	3.062	–

💡 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–	1.99	1.77	0.32	110	-0.360	85	–	–
Hunt & Reffert	2024	1.99	1.63	0.32	157	–	85⁽¹⁾	–	–
Cavallo et al.	2024	1.90	1.91	–	37	-0.360	–	–	–
Hunt & Reffert	2023	1.99	1.63	0.32	157	–	–	–	–
He et al.	2023	2.04	2.00	–	63	–	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Visualization

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