OC 0309

0.28 UTI

0.29

C_N

0.37

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 29

Stellar density (N₅₀/rad) 1.9 [N/pc²]

C3 classification AB

C_N 0.29 Poorly populated
C_dens 0.37 Loose
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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OC 0309 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is rarely studied in the literature.

Moderate extinction Near-solar metallicity Young

Data

🔍 Search references for OC 0309 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–	94.881	23.869	0.532	0.626	-1.418	–
Hao et al.	2022	94.965	23.884	0.533	0.633	-1.392	–

💡 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–	–	2.66	–	20	0.169	–	–	–
Hao et al.	2022	–	2.66	–	20	0.169	–	–	–

Visualization

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