UBC 33

0.59 UTI

0.62

C_N

0.9

C_dens

0.75

C_C3

0.35

C_lit

1.0

C_dup

N₅₀ (P>50% members) 74

Stellar density (N₅₀/rad) 4.5 [N/pc²]

C3 classification AB

C_N 0.62 Moderately populated
C_dens 0.9 Very dense
C_C3 0.75 High quality
C_lit 0.35 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 33 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly studied in the literature.

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

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for UBC 33 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–	7.399	60.512	0.646	-0.946	-0.51	-31.802
Hunt & Reffert	2024	7.325	60.471	0.646	-0.937	-0.547	-36.855
Cavallo et al.	2024	7.436	60.508	0.647	–	–	–
Hunt & Reffert	2023	7.325	60.471	0.646	-0.937	-0.547	-36.855
Cantat-Gaudin et al.	2020	7.36	60.498	0.627	-0.928	-0.443	–
Cantat-Gaudin & Anders	2020	7.36	60.498	0.627	-0.928	-0.443	–
Castro-Ginard et al.	2019	7.394	60.491	0.626	-0.94	-0.456	–

💡 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–	1.5	1.65	1.33	138	0.190	403	–	–
Hunt & Reffert	2024	–	–	–	–	–	403⁽¹⁾	–	–
Cavallo et al.	2024	1.48	1.77	–	166	0.190	–	–	–
Hunt & Reffert	2023	1.46	1.65	1.33	74	–	–	–	–
Cantat-Gaudin et al.	2020	1.58	1.54	–	138	–	–	–	–
Cantat-Gaudin & Anders	2020	1.52	–	–	–	–	–	–	–

(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 14133	78.4	7.38	60.51	0.65	-0.95	-0.53	-31.15	0.02

💡 Note: The % column shows the percentage of members that UBC 33 shares with each listed object.

Visualization

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