OC 0562

0.15 UTI

0.0

C_N

0.13

C_dens

0.5

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 23

Core radius and density 2.1 [pc], 0.7 [pc^-2]

C3 classification DA

C_N 0.0 Sparse
C_dens 0.13 Very loose
C_C3 0.5 Intermediate quality
C_lit 0.06 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 0562 is a sparse, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, young cluster, but with a large variance across recent sources for the age parameter (see Parameters). It is rarely studied in the literature.

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Distant Moderate extinction Massive Near-solar metallicity Young

Cavallo et al. (2024)
Silver sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.14 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.14 (50th percentile).

Data

🔍 Search references for OC 0562 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–	170.595	-61.527	0.28	-5.45	1.302	–
Hunt & Reffert	2024	170.634	-61.516	0.284	-5.463	1.298	-16.627
Cavallo et al.	2024	170.56	-61.511	0.283	–	–	–
Hunt & Reffert	2023	170.634	-61.516	0.284	-5.463	1.298	-16.627
Hao et al.	2022	170.532	-61.516	0.278	-5.447	1.29	–

💡 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–	3.1	2.49	2.54	79	0.150	1247	–	–
Hunt & Reffert	2024	3.10	2.49	2.54	79	–	1247⁽¹⁾	–	–
Cavallo et al.	2024	2.99	2.54	–	204	0.160	–	–	–
Hunt & Reffert	2023	3.10	2.49	2.54	79	–	–	–	–
Hao et al.	2022	–	0.91	–	5	0.140	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Visualization

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