OC 0551

0.38 UTI

0.27

C_N

1.0

C_dens

0.62

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 27

Stellar density (N₅₀/rad) 11.2 [N/pc²]

C3 classification CA

C_N 0.27 Poorly populated
C_dens 1.0 Very dense
C_C3 0.62 Intermediate quality
C_lit 0.0 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 0551 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a large distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

Low extinction Near-solar metallicity Intermediate age

Data

🔍 Search references for OC 0551 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–	164.5	-59.441	0.188	-5.899	1.968	17.465
Hao et al.	2022	164.508	-59.444	0.177	-5.872	1.986	27.604

💡 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–	–	0.74	–	100	0.414	–	–	–
Hao et al.	2022	–	0.74	–	100	0.414	–	–	–

Visualization

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