UBC 422

0.63 UTI

0.6

C_N

0.88

C_dens

0.75

C_C3

0.45

C_lit

1.0

C_dup

N₅₀ (P>50% members) 71

Stellar density (N₅₀/rad) 4.4 [N/pc²]

C3 classification AB

C_N 0.6 Moderately populated
C_dens 0.88 Dense
C_C3 0.75 High quality
C_lit 0.45 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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UBC 422 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, young cluster (see Parameters). It is poorly studied in the literature.

Relatively close Moderate extinction Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

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

Data

🔍 Search references for UBC 422 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–	40.553	58.178	0.361	0.59	-0.711	–
Almeida et al.	2025	40.569	58.163	–	–	–	–
Hunt & Reffert	2024	40.557	58.184	0.36	0.567	-0.731	–
Cavallo et al.	2024	40.552	58.195	0.361	–	–	–
Hunt & Reffert	2023	40.557	58.184	0.36	0.567	-0.731	–
Almeida et al.	2023	40.592	58.174	–	–	–	–
Dias et al.	2021	40.569	58.163	0.36	0.584	-0.706	–
Cantat-Gaudin et al.	2020	40.546	58.171	0.367	0.618	-0.693	–
Castro-Ginard et al.	2020	40.523	58.191	0.369	0.609	-0.694	–

💡 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–	2.44	2.2	1.13	28	-0.048	426	0.59	–
Almeida et al.	2025	2.49	2.20	–	12	–	426	–	–
Hunt & Reffert	2024	–	–	–	–	–	425⁽¹⁾	–	–
Cavallo et al.	2024	2.39	2.28	–	32	0.070	–	–	–
Hunt & Reffert	2023	2.53	2.11	1.13	46	–	–	–	–
Almeida et al.	2023	2.35	2.27	–	25	-0.149	1353⁽¹⁾	0.59	–
Dias et al.	2021	2.49	2.20	–	12	-0.048	–	–	–
Cantat-Gaudin et al.	2020	2.36	1.82	–	56	–	–	–	–

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

Visualization

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