CWNU 1299

0.28 UTI

0.56

C_N

0.07

C_dens

0.5

C_C3

0.12

C_lit

1.0

C_dup

N_m (P>50%) 63

Core radius and density 6.0 [pc], 0.4 [pc^-2]

C3 classification BB

C_N 0.56 Moderately populated
C_dens 0.07 Very loose
C_C3 0.5 Intermediate quality
C_lit 0.12 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 1299 is a moderately populated, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.

Relatively close High extinction Near-solar metallicity Intermediate age

Palma et al. (2025)
Classified as optical pair P302, along with CWNU_2262.

Cavallo et al. (2024)
Silver sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.04 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.04 (50th percentile).

Data

🔍 Search references for CWNU 1299 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–	348.379	61.13	0.346	-5.328	-2.027	-60.145
Hunt & Reffert	2024	348.372	61.117	0.344	-5.318	-2.032	-43.934
Cavallo et al.	2024	348.382	61.115	0.345	–	–	–
Hunt & Reffert	2023	348.372	61.117	0.344	-5.318	-2.032	-43.934
He et al.	2023	348.381	61.111	0.353	-5.331	-2.013	-68.03

💡 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–	2.67	3.36	2.39	282	-0.160	872	–	–
Hunt & Reffert	2024	2.67	3.09	2.39	344	–	872⁽¹⁾	–	–
Cavallo et al.	2024	2.87	3.63	–	219	-0.160	–	–	–
Hunt & Reffert	2023	2.67	3.09	2.39	344	–	–	–	–
He et al.	2023	2.57	4.20	–	178	–	–	–	–

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

Visualization

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