CWNU 2160

0.20 UTI

0.0

C_N

0.13

C_dens

0.75

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 23

Core radius and density 1.7 [pc], 0.6 [pc^-2]

C3 classification BA

C_N 0.0 Sparse
C_dens 0.13 Very loose
C_C3 0.75 High quality
C_lit 0.06 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

ℹ️

CWNU 2160 is a sparse, very loose object of high C3 quality. Its parallax locates it at a large distance, well above the mid-plane, affected by high extinction. It is catalogued as a very metal-poor, intermediate-age cluster, but with a large variance across recent sources for the age parameter (see Parameters). It was recently reported in the literature.

⚠️ 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.

Very distant High extinction Very metal-poor Intermediate age

Cavallo et al. (2024)
Silver sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.02 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.02 (50th percentile).

Data

🔍 Search references for CWNU 2160 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	307.111	48.916	0.16	-2.538	-3.805	-62.876
Hunt & Reffert	2024	307.111	48.907	0.145	-2.527	-3.805	-62.857
Cavallo et al.	2024	307.115	48.916	0.138	–	–	–
Hunt & Reffert	2023	307.111	48.907	0.145	-2.527	-3.805	-62.857
He et al.	2023	307.117	48.901	0.14	-2.549	-3.823	-62.01

💡 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–	6.49	3.09	1.76	401	-1.340	498	–	–
Hunt & Reffert	2024	7.61	3.09	1.76	199	–	498⁽¹⁾	–	–
Cavallo et al.	2024	3.28	3.64	–	603	-1.340	–	–	–
Hunt & Reffert	2023	7.61	3.09	1.76	199	–	–	–	–
He et al.	2023	5.37	2.35	–	708	–	–	–	–

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

Visualization

ℹ️

1 2