UBC 478

0.59 UTI

0.55

C_N

0.86

C_dens

0.75

C_C3

0.4

C_lit

1.0

C_dup

N₅₀ (P>50% members) 59

Stellar density (N₅₀/rad) 4.3 [N/pc²]

C3 classification AB

C_N 0.55 Moderately populated
C_dens 0.86 Dense
C_C3 0.75 High quality
C_lit 0.4 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 478 is a moderately populated, dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, old cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is poorly studied in the literature.

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

Relatively close Low extinction Near-solar metallicity Old

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for UBC 478 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–	119.392	-44.659	0.353	-2.589	5.935	44.502
Li et al.	2025	119.399	-44.648	0.321	-2.615	5.924	–
Hu & Soubiran	2025	119.355	-44.682	–	–	–	–
Hunt & Reffert	2024	119.405	-44.65	0.35	-2.598	5.922	38.254
Cavallo et al.	2024	119.354	-44.682	0.351	–	–	–
Hunt & Reffert	2023	119.405	-44.65	0.35	-2.598	5.922	38.254
Cantat-Gaudin et al.	2020	119.399	-44.648	0.321	-2.615	5.924	–
Castro-Ginard et al.	2020	119.372	-44.661	0.32	-2.614	5.924	–

💡 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–	2.54	0.495	0.69	1334	-0.130	162	–	–
Li et al.	2025	2.57	0.52	–	1266	-0.015	–	–	–
Hu & Soubiran	2025	–	–	–	–	-0.130⁽⁵⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	162⁽¹⁾	–	–
Cavallo et al.	2024	2.22	0.82	–	1318	-0.330	–	–	–
Hunt & Reffert	2023	2.51	0.27	0.69	1517	–	–	–	–
Cantat-Gaudin et al.	2020	2.86	0.47	–	1349	–	–	–	–

(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 3299	72.9	119.39	-44.66	0.35	-2.59	5.93	44.34	0.0

💡 Note: The % column shows the percentage of members that UBC 478 shares with each listed object.

Visualization

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