CKCWDM 2739

0.13 UTI

0.0

C_N

0.05

C_dens

0.62

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 20

Stellar density (N₅₀/rad) 0.2 [N/pc²]

C3 classification AC

C_N 0.0 Sparse
C_dens 0.05 Very loose
C_C3 0.62 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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CKCWDM 2739 is a sparse, very loose object of intermediate C3 quality. Its parallax locates it at a very large distance, well below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.

Note: This object shares a very small percentage of members with at least one entry reported in the same catalogue. See table with shared members information.

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Extremely distant Low extinction Near-solar metallicity Intermediate age

Data

🔍 Search references for CKCWDM 2739 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–	110.998	-29.557	0.093	-0.792	1.667	–
Chi et al.	2025	110.99	-29.562	0.073	-0.795	1.652	–

💡 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–	13.63	0.81	–	780	0.310	–	–	–
Chi et al.	2025	13.63	0.81	–	780	0.310	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CKCWDM 2773	4.0	110.98	-29.39	0.11	-0.81	1.92	–	0.13

💡 Note: The % column shows the percentage of members that CKCWDM 2739 shares with each listed object.

Visualization

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