UPK 237

0.73 UTI

0.77

C_N

1.0

C_dens

0.75

C_C3

0.56

C_lit

1.0

C_dup

N₅₀ (P>50% members) 163

Stellar density (N₅₀/rad) 19.0 [N/pc²]

C3 classification AB

C_N 0.77 Rich
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.56 Moderately studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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UPK 237 is a rich, very dense object of high C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is moderately studied in the literature.

Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.

Close Moderate extinction Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for UPK 237 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–	5.344	65.493	1.343	-0.61	-3.81	-6.43
Li et al.	2025	5.352	65.495	1.329	-0.585	-3.732	–
Alfonso et al.	2024	5.359	65.493	1.321	-0.613	-3.813	–
Hunt & Reffert	2024	5.203	65.483	1.351	-0.585	-3.799	-1.654
Cavallo et al.	2024	5.44	65.516	1.35	–	–	–
Hunt & Reffert	2023	5.203	65.483	1.351	-0.585	-3.799	-1.654
He et al.	2022	5.299	65.498	1.353	-0.606	-3.791	–
Tarricq et al.	2022	5.247	65.441	1.364	-0.592	-3.797	–
Cantat-Gaudin et al.	2020	5.352	65.495	1.329	-0.585	-3.732	–
Cantat-Gaudin & Anders	2020	5.295	65.495	1.328	-0.573	-3.76	–
Sim et al.	2019	5.299	65.497	–	-0.59	-3.75	–

💡 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–	0.745	2.05	1.8	67	0.010	382	–	–
Li et al.	2025	0.61	1.94	–	161	-0.140	–	–	–
Alfonso et al.	2024	0.76	1.72	–	79	0.010	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	382⁽¹⁾	–	–
Cavallo et al.	2024	0.81	2.18	–	42	0.100	–	–	–
Hunt & Reffert	2023	0.71	2.16	1.80	55	–	–	–	–
He et al.	2022	–	2.45	–	35	–	–	–	–
Tarricq et al.	2022	0.75	–	–	155	–	–	–	–
Cantat-Gaudin et al.	2020	0.76	1.72	–	151	–	–	–	–
Cantat-Gaudin & Anders	2020	0.74	–	–	–	–	–	–	–
Sim et al.	2019	0.73	–	–	45	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 408	96.9	5.33	65.5	1.34	-0.61	-3.81	-6.43	0.01

💡 Note: The % column shows the percentage of members that UPK 237 shares with each listed object.

Visualization

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