CWNU 3154

0.31 UTI

0.54

C_N

0.26

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

N_m (P>50%) 57

Core radius and density 2.3 [pc], 1.3 [pc^-2]

C3 classification AB

C_N 0.54 Moderately populated
C_dens 0.26 Loose
C_C3 0.75 High 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 3154 is a moderately populated, loose object of high C3 quality. Its parallax locates it at a large^* distance, below the mid-plane, affected by high extinction. It is catalogued as an old cluster (see Parameters). It was recently reported in the literature.

(*): The parallax distance estimate (~5.15 kpc) differs significantly from the median photometric distance (~3.55 kpc).

Note: This object contains blue stragglers according to at least one source.

Note: This object shares a moderate percentage of members with a later reported entry. See table with shared members information.

Distant High extinction Old Contains BSS

Data

🔍 Search references for CWNU 3154 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–	278.267	-11.909	0.194	-0.199	-1.721	52.751
Cui et al.	2025	278.268	-11.91	0.18	-0.2	-1.74	–
He et al.	2023	278.268	-11.913	0.181	-0.2	-1.736	–

💡 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–	3.55	4.5	–	1104	–	–	–	2
Cui et al.	2025	–	4.10	–	1413	–	–	–	2⁽¹⁾
He et al.	2023	3.55	4.90	–	794	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Dias 32	35.1	278.27	-11.91	0.29	-0.28	-1.81	2.15	0.11

💡 Note: The % column shows the percentage of members that CWNU 3154 shares with each listed object.

Visualization

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