OC 0237

0.37 UTI

0.53

C_N

0.17

C_dens

1.0

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 56

Core radius and density 2.7 [pc], 0.9 [pc^-2]

C3 classification AA

C_N 0.53 Moderately populated
C_dens 0.17 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 0237 is a moderately populated, very loose object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is rarely studied in the literature.

Note: This object shares a small percentage of members with 2 later reported entries. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Young

Palma et al. (2025)
Classified as tidal capture (resonant trapping pair) P23, along with HSC_1026.

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.87 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.87 (50th percentile).

Data

🔍 Search references for OC 0237 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–	22.672	62.405	0.335	-1.592	-0.418	–
Hunt & Reffert	2024	22.663	62.413	0.342	-1.595	-0.407	–
Cavallo et al.	2024	22.643	62.419	0.341	–	–	–
Hunt & Reffert	2023	22.663	62.413	0.342	-1.595	-0.407	–
Hao et al.	2022	22.71	62.361	0.329	-1.581	-0.447	–

💡 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–	2.7	2.115	2.31	20	0.171	866	–	–
Hunt & Reffert	2024	2.70	2.10	2.31	22	–	866⁽¹⁾	–	–
Cavallo et al.	2024	3.42	2.13	–	19	0.320	–	–	–
Hunt & Reffert	2023	2.70	2.10	2.31	22	–	–	–	–
Hao et al.	2022	–	4.31	–	13	0.022	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 1993	25.0	22.91	62.39	0.32	-1.56	-0.37	–	0.07
CWWDL 10556	5.4	22.44	62.62	0.35	-1.52	-0.4	–	0.07

💡 Note: The % column shows the percentage of members that OC 0237 shares with each listed object.

Visualization

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