OC 0658

0.06 UTI

0.0

C_N

0.15

C_dens

0.5

C_C3

0.0

C_lit

0.48

C_dup

C3 classification BB

Number of members (P>50%) 15

Radius (P>50% members) 10.2 [arcmin]

C_N 0.0 Sparse
C_dens 0.15 Very loose
C_C3 0.5 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 0.48 Possibly duplicate

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

Overview

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OC 0658 is a sparse, very loose object of intermediate 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, very young cluster (see Parameters). It is rarely studied in the literature.

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

Moderate extinction Metal-rich Very young

Data

🔍 Search references for OC 0658 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	–	248.363	-49.832	0.67	-0.803	-2.772	-41.034
Hao et al.	2022	248.201	-49.916	0.665	-0.797	-2.771	–

💡 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	–	1.18	–	2	0.611	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Collinder 305	52.0	248.67	-49.76	0.68	-0.68	-2.83	-19.48	1.0
CWNU 1219	8.0	248.62	-49.81	0.75	-0.77	-2.82	-19.72	0.12

💡 Note: The % column shows the percentage of members that OC 0658 shares with each listed object.

Visualization

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