UBC 563

0.76 UTI

0.61

C_N

1.0

C_dens

1.0

C_C3

0.6

C_lit

1.0

C_dup

N₅₀ (P>50% members) 72

Stellar density (N₅₀/rad) 21.4 [N/pc²]

C3 classification AA

C_N 0.61 Moderately populated
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.6 Moderately studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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UBC 563 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age parameter (see Parameters). It is moderately 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.

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

Data

🔍 Search references for UBC 563 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–	256.744	-30.704	0.887	-0.534	-4.168	-14.658
Li et al.	2025	256.749	-30.673	0.891	-0.528	-4.161	–
Almeida et al.	2025	256.746	-30.704	–	–	–	–
Hunt & Reffert	2024	256.746	-30.687	0.885	-0.524	-4.19	-10.9
Cavallo et al.	2024	256.739	-30.722	0.888	–	–	–
Hunt & Reffert	2023	256.746	-30.687	0.885	-0.524	-4.19	-10.9
Almeida et al.	2023	256.741	-30.702	–	–	–	–
He et al.	2022	256.751	-30.683	0.885	-0.519	-4.168	–
Dias et al.	2021	256.746	-30.704	0.88	-0.529	-4.184	–
Cantat-Gaudin et al.	2020	256.749	-30.673	0.891	-0.528	-4.161	–
Castro-Ginard et al.	2020	256.767	-30.688	0.891	-0.53	-4.181	–

💡 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–	1.06	1.775	1.71	209	0.059	129	0.48	–
Li et al.	2025	0.90	1.61	–	546	-0.142	–	–	–
Almeida et al.	2025	1.11	1.66	–	400	–	121	–	–
Hunt & Reffert	2024	–	–	–	–	–	407⁽¹⁾	–	–
Cavallo et al.	2024	1.05	1.94	–	309	0.010	–	–	–
Hunt & Reffert	2023	1.06	1.89	1.71	134	–	–	–	–
Almeida et al.	2023	1.06	1.90	–	145	0.107	129⁽¹⁾	0.48	–
He et al.	2022	–	2.10	–	112	–	–	–	–
Tarricq et al.	2022	1.05	–	–	209	–	–	–	–
Dias et al.	2021	1.11	1.66	–	400	0.125	–	–	–
Cantat-Gaudin et al.	2020	1.08	1.23	–	191	–	–	–	–

(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 14243	80.6	256.75	-30.7	0.89	-0.53	-4.18	-14.66	0.0

💡 Note: The % column shows the percentage of members that UBC 563 shares with each listed object.

Visualization

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