OC 0022

0.10 UTI

0.0

C_N

0.33

C_dens

0.38

C_C3

0.0

C_lit

0.68

C_dup

C3 classification CB

Number of members (P>50%) 11

Radius (P>50% members) 4.8 [arcmin]

C_N 0.0 Sparse
C_dens 0.33 Loose
C_C3 0.38 Low quality
C_lit 0.0 Rarely studied
C_dup 0.68 Likely unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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OC 0022 is a sparse, loose object of low C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, 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.

Moderate extinction Metal-rich Young

Data

🔍 Search references for OC 0022 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	–	274.604	-18.384	0.537	-0.008	-1.977	–
Hao et al.	2022	274.625	-18.39	0.523	-0.02	-1.935	–

💡 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]	Bfr	BSS
Hao et al.	2022	–	1.99	–	40	0.611	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Melotte 197	32.0	274.61	-18.41	0.33	0.14	-2.06	18.5	1.0

💡 Note: The % column shows the percentage of members that OC 0022 shares with each listed object.

Visualization

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