CWNU 1255

0.11 UTI

0.26

C_N

0.17

C_dens

0.38

C_C3

0.0

C_lit

0.69

C_dup

N₅₀ (P>50% members) 26

Stellar density (N₅₀/rad) 0.8 [N/pc²]

C3 classification CB

C_N 0.26 Poorly populated
C_dens 0.17 Very loose
C_C3 0.38 Low quality
C_lit 0.0 Rarely studied
C_dup 0.69 Likely unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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CWNU 1255 is a poorly populated, very loose object of low C3 quality. Its parallax locates it at a very close distance, below the mid-plane, affected by low extinction. It is catalogued as a young cluster (see Parameters). It is rarely studied in the literature.

Note: This is likely a unique object, which shares a moderate percentage of members with at least one previously reported entry. See table with shared members information.

Low extinction Young

Data

🔍 Search references for CWNU 1255 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–	300.277	9.467	2.221	-1.593	-12.416	-8.29
He et al.	2022	300.228	9.312	2.195	-1.545	-12.456	–

💡 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–	–	0.4	–	50	–	–	–	–
He et al.	2022	–	0.40	–	50	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 247	65.4	300.33	10.5	2.18	-1.62	-12.24	-9.02	0.09
NGC 6858	30.8	300.72	11.16	2.15	-1.67	-11.95	-8.92	0.46

💡 Note: The % column shows the percentage of members that CWNU 1255 shares with each listed object.

Visualization

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