CWNU 2961

0.37 UTI

0.75

C_N

0.32

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

N_m (P>50%) 107

Core radius and density 2.2 [pc], 1.6 [pc^-2]

C3 classification AB

C_N 0.75 Rich
C_dens 0.32 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

ℹ️

CWNU 2961 is a rich, loose object of high C3 quality. Its parallax locates it at a large^* distance, below the mid-plane, affected by moderate extinction. It is catalogued as an old cluster (see Parameters). It was recently reported in the literature.

(*): The parallax distance estimate (~7.11 kpc) differs significantly from the median photometric distance (~4.90 kpc).

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

Distant Moderate extinction Old Contains BSS

Data

🔍 Search references for CWNU 2961 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	137.226	-53.25	0.141	-3.522	3.411	75.647
Cui et al.	2025	137.227	-53.252	0.14	-3.52	3.42	–
He et al.	2023	137.227	-53.249	0.138	-3.522	3.415	–

💡 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–	4.9	1.125	–	2837	–	–	–	7
Cui et al.	2025	–	1.20	–	2512	–	–	–	7⁽¹⁾
He et al.	2023	4.90	1.05	–	3162	–	–	–	–

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

Visualization

ℹ️