CWNU 2540

0.38 UTI

0.42

C_N

1.0

C_dens

0.5

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 42

Stellar density (N₅₀/rad) 6.5 [N/pc²]

C3 classification BB

C_N 0.42 Poorly populated
C_dens 1.0 Very dense
C_C3 0.5 Intermediate 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 2540 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a very young cluster (see Parameters). It was recently reported in the literature.

Relatively close High extinction Very young

Data

🔍 Search references for CWNU 2540 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–	278.783	-8.095	0.435	-0.106	-1.308	–
Hunt & Reffert	2024	278.78	-8.104	0.421	-0.08	-1.286	–
Hunt & Reffert	2023	278.78	-8.104	0.421	-0.08	-1.286	–
He et al.	2023	278.784	-8.089	0.442	-0.131	-1.308	–

💡 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–	2.005	3.22	2.05	18	–	241	–	–
Hunt & Reffert	2024	–	–	–	–	–	241⁽¹⁾	–	–
Hunt & Reffert	2023	2.15	3.14	2.05	19	–	–	–	–
He et al.	2023	1.86	3.30	–	18	–	–	–	–

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

Visualization

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