CWNU 1031

(OCSN 166)

0.34 UTI

0.4

C_N

0.56

C_dens

0.25

C_C3

0.25

C_lit

1.0

C_dup

N₅₀ (P>50% members) 40

Stellar density (N₅₀/rad) 2.8 [N/pc²]

C3 classification DB

C_N 0.4 Poorly populated
C_dens 0.56 Moderately dense
C_C3 0.25 Low quality
C_lit 0.25 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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CWNU 1031 is a poorly populated, moderately dense 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 near-solar metallicity, young cluster (see Parameters). It is poorly studied in the literature.

Very close Low extinction Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as a moving group.

Data

🔍 Search references for CWNU 1031 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–	116.353	-43.251	3.687	-10.03	-3.238	29.707
Cavallo et al.	2024	116.548	-43.598	3.702	–	–	–
Hunt & Reffert	2023	116.141	-43.504	3.702	-9.96	-3.075	30.977
Qin et al.	2023	116.3	-43.33	3.75	-10.16	-3.11	30.1
He et al.	2022	116.545	-43.233	3.709	-10.055	-3.238	–

💡 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–	0.28	0.42	0.29	82	0.150	–	–	–
Cavallo et al.	2024	0.28	0.49	–	45	0.150	–	–	–
Hunt & Reffert	2023	0.26	0.14	0.29	145	–	–	–	–
Qin et al.	2023	0.34	0.56	–	100	–	–	–	–
He et al.	2022	–	0.35	–	63	–	–	–	–

Visualization

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