CWNU 2518

0.35 UTI

0.0

C_N

0.94

C_dens

0.75

C_C3

0.03

C_lit

1.0

C_dup

N_m (P>50%) 23

Core radius and density 0.7 [pc], 4.7 [pc^-2]

C3 classification BA

C_N 0.0 Sparse
C_dens 0.94 Very dense
C_C3 0.75 High quality
C_lit 0.03 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 2518 is a sparse, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as an intermediate-age cluster, but with a large variance across recent sources for the age parameter (see Parameters). It was recently reported in the literature.

Relatively close Moderate extinction Intermediate age

Palma et al. (2025)
Part of multiple system G48, along with CWNU_1968 and CWNU_296.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.99 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.99 (50th percentile).

Data

🔍 Search references for CWNU 2518 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–	276.7	-14.926	0.516	1.117	-0.387	-20.625
Hunt & Reffert	2024	276.702	-14.922	0.516	1.126	-0.397	-12.961
Hunt & Reffert	2023	276.702	-14.922	0.516	1.126	-0.397	-12.961
He et al.	2023	276.7	-14.916	0.521	1.125	-0.421	–

💡 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–	1.83	2.35	1.74	129	–	322	–	–
Hunt & Reffert	2024	1.83	2.35	1.74	129	–	322⁽¹⁾	–	–
Hunt & Reffert	2023	1.83	2.35	1.74	129	–	–	–	–
He et al.	2023	1.82	2.85	–	10	–	–	–	–

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

Visualization

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