OC 0231

0.27 UTI

0.0

C_N

0.21

C_dens

1.0

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 24

Core radius and density 1.6 [pc], 1.1 [pc^-2]

C3 classification AA

C_N 0.0 Sparse
C_dens 0.21 Very loose
C_C3 1.0 Very high 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 0231 is a sparse, very loose object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is rarely studied in the literature.

Relatively close High extinction Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.96 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.96 (50th percentile).

Data

🔍 Search references for OC 0231 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–	13.742	62.048	0.319	-1.654	-0.463	–
Hunt & Reffert	2024	13.729	62.046	0.324	-1.682	-0.446	–
Cavallo et al.	2024	13.761	62.056	0.324	–	–	–
Hunt & Reffert	2023	13.729	62.046	0.324	-1.682	-0.446	–
Hao et al.	2022	13.778	62.061	0.328	-1.686	-0.454	–

💡 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–	2.89	3.165	1.71	31	0.318	307	–	–
Hunt & Reffert	2024	2.89	3.16	1.71	31	–	307⁽¹⁾	–	–
Cavallo et al.	2024	2.95	3.08	–	44	0.370	–	–	–
Hunt & Reffert	2023	2.89	3.17	1.71	31	–	–	–	–
Hao et al.	2022	–	4.28	–	10	0.265	–	–	–

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

Visualization

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