OC 0552

0.00 UTI

0.0

C_N

0.44

C_dens

0.5

C_C3

0.0

C_lit

0.0

C_dup

C3 classification BB

Number of members (P>50%) 24

Radius (P>50% members) 23.6 [arcmin]

C_N 0.0 Sparse
C_dens 0.44 Loose
C_C3 0.5 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 0.0 Very likely duplicate

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

Overview

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OC 0552 is a sparse, loose object of intermediate C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as a metal-rich, 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.

Low extinction Metal-rich Old

Data

🔍 Search references for OC 0552 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	–	166.339	-58.097	2.079	-10.338	5.287	5.441
Hao et al.	2022	166.328	-57.906	2.089	-10.376	5.289	4.864

💡 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	–	0.77	–	3981	0.611	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Melotte 103	100.0	166.4	-58.7	2.09	-10.4	5.23	4.86	1.0

💡 Note: The % column shows the percentage of members that OC 0552 shares with each listed object.

Visualization

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