UBC 420

0.47 UTI

0.78

C_N

0.84

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 172

Stellar density (N₅₀/rad) 4.2 [N/pc²]

C3 classification AB

C_N 0.78 Rich
C_dens 0.84 Dense
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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UBC 420 is a rich, dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a young cluster (see Parameters). It is rarely studied in the literature, with no articles listed in the last 6 years.

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

Relatively close Moderate extinction Young

Data

🔍 Search references for UBC 420 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–	40.369	60.843	0.432	-0.652	-0.212	-61.206
Cantat-Gaudin et al.	2020	40.333	60.871	0.431	-0.639	-0.163	–
Castro-Ginard et al.	2020	40.326	60.874	0.431	-0.632	-0.168	–

💡 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–	2.3	1.65	–	65	–	–	–	–
Cantat-Gaudin et al.	2020	2.30	1.65	–	65	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 2624	9.9	40.35	60.76	0.41	-0.5	-0.3	-81.55	0.04
CWWDL 10668	5.8	39.85	60.77	0.39	-0.56	-0.34	-41.75	0.03

💡 Note: The % column shows the percentage of members that UBC 420 shares with each listed object.

Visualization

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