CWNU 426

0.30 UTI

0.34

C_N

0.27

C_dens

0.75

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 34

Core radius and density 1.4 [pc], 1.4 [pc^-2]

C3 classification AB

C_N 0.34 Poorly populated
C_dens 0.27 Loose
C_C3 0.75 High 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 426 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

Relatively close Low 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 426 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–	208.693	-57.68	0.527	-3.509	-1.675	5.617
Hunt & Reffert	2024	208.692	-57.706	0.523	-3.507	-1.693	5.646
Cavallo et al.	2024	208.674	-57.68	0.529	–	–	–
Hunt & Reffert	2023	208.692	-57.706	0.523	-3.507	-1.693	5.646
He et al.	2022	208.677	-57.692	0.53	-3.52	-1.7	–

💡 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–	1.745	0.67	0.9	290	0.424	157	–	–
Hunt & Reffert	2024	1.71	0.67	0.90	285	–	157⁽¹⁾	–	–
Cavallo et al.	2024	1.79	0.83	–	295	0.450	–	–	–
Hunt & Reffert	2023	1.71	0.67	0.90	285	–	–	–	–
He et al.	2022	1.78	0.51	–	398	0.398	–	–	–

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

Visualization

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