OC 0306

0.00 UTI

0.0

C_N

1.0

C_dens

0.25

C_C3

0.0

C_lit

0.0

C_dup

N₅₀ (P>50% members) 19

Stellar density (N₅₀/rad) 24.0 [N/pc²]

C3 classification BD

C_N 0.0 Sparse
C_dens 1.0 Very dense
C_C3 0.25 Low quality
C_lit 0.0 Rarely 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 0306 is a sparse, very dense object of low C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, very old cluster (see Parameters). It is rarely 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.

Moderate extinction Metal-rich Very old

Data

🔍 Search references for OC 0306 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–	91.866	24.097	0.36	-0.203	-2.023	–
Hao et al.	2022	91.86	24.092	0.447	-0.164	-2.0	–

💡 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–	–	1.63	–	5012	0.575	–	–	–
Hao et al.	2022	–	1.63	–	5012	0.575	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Melotte 40	100.0	91.86	24.1	0.23	-0.2	-1.98	26.47	1.0

💡 Note: The % column shows the percentage of members that OC 0306 shares with each listed object.

Visualization

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