CWNU 1156

0.22 UTI

0.0

C_N

0.62

C_dens

0.5

C_C3

0.0

C_lit

1.0

C_dup

C3 classification BB

Number of members (P>50%) 24

Radius (P>50% members) 9.3 [arcmin]

C_N 0.0 Sparse
C_dens 0.62 Moderately dense
C_C3 0.5 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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CWNU 1156 is a sparse, moderately dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a young cluster (see Parameters). It is rarely studied in the literature.

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

⚠️ 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.

Moderate extinction Young

Data

🔍 Search references for CWNU 1156 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	–	331.565	63.003	0.971	-2.959	-3.217	-21.256
He et al.	2022	331.598	62.992	0.98	-2.991	-3.223	–

💡 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]	Bfr	BSS
He et al.	2022	–	1.25	–	45	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 3779	100.0	331.53	63.0	0.97	-2.96	-3.22	-21.26	0.04

💡 Note: The % column shows the percentage of members that CWNU 1156 shares with each listed object.

Visualization

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