UBC 83

0.63 UTI

0.55

C_N

0.78

C_dens

0.75

C_C3

0.55

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 59

Radius (P>50% members) 6.4 [arcmin]

C_N 0.55 Moderately populated
C_dens 0.78 Dense
C_C3 0.75 High quality
C_lit 0.55 Moderately studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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UBC 83 is a moderately populated, dense object of 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, intermediate-age cluster (see Parameters). It is moderately studied in the literature.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for UBC 83 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	–	97.554	7.345	0.478	-1.092	0.367	54.476
Li et al.	2025	97.561	7.335	0.483	-1.067	0.388	–
Almeida et al.	2025	97.546	7.367	–	–	–	–
Hunt & Reffert	2024	97.505	7.32	0.482	-1.107	0.367	55.026
Cavallo et al.	2024	97.528	7.373	0.48	–	–	–
Hunt & Reffert	2023	97.505	7.32	0.482	-1.107	0.367	55.026
Dias et al.	2021	97.546	7.367	0.445	-1.097	0.378	–
Cantat-Gaudin et al.	2020	97.561	7.335	0.483	-1.067	0.388	–
Cantat-Gaudin & Anders	2020	97.561	7.335	0.483	-1.067	0.388	–
Castro-Ginard et al.	2019	97.557	7.364	0.475	-1.083	0.389	–

💡 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]	Bfr	BSS
Li et al.	2025	1.86	0.90	–	503	-0.145	–	–	–
Almeida et al.	2025	1.92	1.36	–	160	–	413	–	–
Hunt & Reffert	2024	–	–	–	–	–	261*	–	–
Cavallo et al.	2024	2.08	1.16	–	240	0.150	–	–	–
Hunt & Reffert	2023	2.03	0.73	0.54	198	–	–	–	–
Dias et al.	2021	1.92	1.36	–	160	-0.147	–	–	–
Cantat-Gaudin et al.	2020	2.11	0.85	–	151	–	–	–	–
Cantat-Gaudin & Anders	2020	1.95	–	–	–	–	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Visualization

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