UBC 143

0.46 UTI

0.25

C_N

0.28

C_dens

0.75

C_C3

0.5

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 25

Radius (P>50% members) 10.8 [arcmin]

C_N 0.25 Poorly populated
C_dens 0.28 Loose
C_C3 0.75 High quality
C_lit 0.5 Moderately studied
C_dup 1.0 Unique

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

Overview

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UBC 143 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is moderately studied in the literature.

Relatively close Low extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for UBC 143 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	–	299.755	45.554	0.748	-3.145	-7.849	5.421
Li et al.	2025	299.689	45.553	0.727	-3.183	-7.858	–
Zhang et al.	2024	299.808	45.751	–	–	–	–
Hunt & Reffert	2024	299.808	45.751	0.739	-3.141	-7.765	11.438
Cavallo et al.	2024	299.827	45.675	0.74	–	–	–
Hunt & Reffert	2023	299.808	45.751	0.739	-3.141	-7.765	11.438
Tarricq et al.	2022	299.792	45.654	0.751	-3.155	-7.849	–
Cantat-Gaudin et al.	2020	299.689	45.553	0.727	-3.183	-7.858	–
Castro-Ginard et al.	2020	299.66	45.571	0.723	-3.188	-7.844	–

💡 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	1.27	0.71	–	497	0.009	–	–	–
Zhang et al.	2024	–	–	–	–	-0.030*	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	127*	–	–
Cavallo et al.	2024	1.34	0.87	–	457	0.140	–	–	–
Hunt & Reffert	2023	1.28	0.59	0.53	500	–	–	–	–
Tarricq et al.	2022	1.21	–	–	479	–	–	–	–
Cantat-Gaudin et al.	2020	1.24	0.44	–	468	–	–	–	–

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

Visualization

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