OC 0382

0.00 UTI

0.26

C_N

1.0

C_dens

0.5

C_C3

0.3

C_lit

0.0

C_dup

N₅₀ (P>50% members) 26

Stellar density (N₅₀/rad) 6.3 [N/pc²]

C3 classification DA

C_N 0.26 Poorly populated
C_dens 1.0 Very dense
C_C3 0.5 Intermediate quality
C_lit 0.3 Poorly studied
C_dup 0.0 Very likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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OC 0382 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is poorly studied in the literature.

⚠️ Warning: This is very likely a duplicate object, which shares a large percentage of members with at least one previously reported entry. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Palma et al. (2025)
Classified as optical pair P120, along with Haffner_8.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for OC 0382 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–	110.32	-11.787	0.343	-0.511	0.11	59.712
Hu & Soubiran	2025	110.321	-11.775	–	–	–	–
Hunt & Reffert	2024	110.325	-11.785	0.33	-0.513	0.115	59.715
Cavallo et al.	2024	110.321	-11.775	0.337	–	–	–
Hunt & Reffert	2023	110.325	-11.785	0.33	-0.513	0.115	59.715
Hao et al.	2022	110.325	-11.801	0.361	-0.491	0.068	60.49

💡 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–	2.445	1.08	0.43	441	-0.140	219	–	–
Hu & Soubiran	2025	–	–	–	–	-0.140⁽⁵⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	219⁽¹⁾	–	–
Cavallo et al.	2024	2.24	1.08	–	955	-0.250	–	–	–
Hunt & Reffert	2023	2.65	1.03	0.43	441	–	–	–	–
Hao et al.	2022	–	2.18	–	316	0.370	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
FoF 1406	100.0	110.33	-11.79	0.33	-0.53	0.13	59.71	0.49
CWWDL 8709	96.2	110.32	-11.78	0.34	-0.53	0.13	59.71	0.0

💡 Note: The % column shows the percentage of members that OC 0382 shares with each listed object.

Visualization

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