CWNU 1092

0.22 UTI

0.28

C_N

0.21

C_dens

0.38

C_C3

0.11

C_lit

1.0

C_dup

N₅₀ (P>50% members) 28

Stellar density (N₅₀/rad) 1.1 [N/pc²]

C3 classification BC

C_N 0.28 Poorly populated
C_dens 0.21 Very loose
C_C3 0.38 Low quality
C_lit 0.11 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 1092 is a poorly populated, very loose object of low C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as a low-mass, near-solar metallicity, very young cluster, but with a large variance across recent sources for the absorption parameter (see Parameters). It is rarely studied 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 close Low extinction Low mass Near-solar metallicity Very young

Liu et al. (2025)
Classified as primordial binary cluster 92 along with CWNU_1106, and of multiple system 32 along with CWNU_1106, Collinder_69 and UPK_398.

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as moving group. CMD class: 0.90 (50th percentile).

Data

🔍 Search references for CWNU 1092 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–	90.857	8.345	2.369	-3.378	-4.042	30.104
Liu et al.	2025	90.83	8.56	2.38	-3.4	-4.07	30.3
Swiggum et al.	2024	90.831	8.559	2.382	-3.397	-4.069	28.267
Cavallo et al.	2024	90.892	8.239	2.383	–	–	–
Hunt & Reffert	2023	90.831	8.559	2.382	-3.397	-4.069	30.299
He et al.	2022	90.53	8.416	2.42	-3.299	-4.13	–

💡 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–	0.42	0.215	0.41	19	0.360	39	–	–
Liu et al.	2025	0.45	0.09	–	25	–	–	–	–
Swiggum et al.	2024	0.41	–	–	19	–	39	–	–
Cavallo et al.	2024	0.43	0.65	–	21	0.360	–	–	–
Hunt & Reffert	2023	0.40	0.13	0.41	19	–	–	–	–
He et al.	2022	–	0.30	–	16	–	–	–	–

Visualization

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