CWNU 2638

0.40 UTI

0.32

C_N

0.79

C_dens

0.38

C_C3

0.25

C_lit

1.0

C_dup

N₅₀ (P>50% members) 32

Stellar density (N₅₀/rad) 3.9 [N/pc²]

C3 classification CB

C_N 0.32 Poorly populated
C_dens 0.79 Dense
C_C3 0.38 Low quality
C_lit 0.25 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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CWNU 2638 is a poorly populated, dense object of low C3 quality. Its parallax locates it at a moderate distance, above 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.

Data

🔍 Search references for CWNU 2638 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–	158.302	-55.981	0.378	-6.154	2.822	–
Hunt & Reffert	2024	158.279	-56.008	0.371	-6.138	2.84	–
Cavallo et al.	2024	158.32	-55.979	0.375	–	–	–
Hunt & Reffert	2023	158.279	-56.008	0.371	-6.138	2.84	–
He et al.	2023	158.331	-55.972	0.383	-6.144	2.825	–

💡 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–	2.43	1.8	2.3	207	0.460	388	–	–
Hunt & Reffert	2024	–	–	–	–	–	388⁽¹⁾	–	–
Cavallo et al.	2024	2.94	1.80	–	110	0.460	–	–	–
Hunt & Reffert	2023	2.43	1.68	2.30	207	–	–	–	–
He et al.	2023	2.34	1.90	–	251	–	–	–	–

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

Visualization

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