Ruprecht 63

(VDBH 35; MWSC 1504; OCL 758; vdBergh-Hagen 35; ESO 210 01; FSR 1444; FoF 41)

0.96 UTI

0.81

C_N

1.0

C_dens

1.0

C_C3

1.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 257

Stellar density (N₅₀/rad) 13.5 [N/pc²]

C3 classification AA

C_N 0.81 Rich
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 1.0 Very well-studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Ruprecht 63 is a rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is very well-studied in the literature.

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

Distant Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

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

Data

🔍 Search references for Ruprecht 63 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–	128.168	-48.302	0.234	-2.523	3.265	33.303
Li et al.	2025	128.169	-48.304	0.216	-2.541	3.229	–
Hu & Soubiran	2025	128.178	-48.306	–	–	–	–
Almeida et al.	2025	128.184	-48.306	–	–	–	–
Hunt & Reffert	2024	128.164	-48.301	0.236	-2.514	3.271	32.212
Cavallo et al.	2024	128.178	-48.306	0.233	–	–	–
Hunt & Reffert	2023	128.164	-48.301	0.236	-2.514	3.271	32.212
Almeida et al.	2023	128.179	-48.304	–	–	–	–
Just et al.	2023	128.155	-48.292	–	–	–	–
Dias et al.	2021	128.184	-48.306	0.227	-2.529	3.227	–
Cantat-Gaudin et al.	2020	128.169	-48.304	0.216	-2.541	3.229	–
Cantat-Gaudin & Anders	2020	128.169	-48.304	0.216	-2.541	3.229	–
Liu & Pang	2019	128.17	-48.321	0.251	-2.499	3.181	–
Soubiran et al.	2018	128.169	-48.304	–	–	–	31.94
Bica et al.	2019	128.164	-48.293	–	–	–	–
Cantat-Gaudin et al.	2018	128.169	-48.304	0.216	-2.541	3.229	–
Kharchenko et al.	2016	128.155	-48.292	–	–	–	–
Dias et al.	2014	128.167	-48.306	–	-2.06	4.81	–
Kharchenko et al.	2013	128.16	-48.295	–	-2.1	11.73	–
Bukowiecki et al.	2011	128.183	-48.296	–	–	–	–
Glushkova et al.	2010	128.173	-48.306	–	–	–	–
Dias et al.	2002	128.167	-48.306	–	-2.06	4.81	–

💡 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–	3.78	1.705	1.33	469	-0.146	899	0.51	–
Li et al.	2025	3.78	1.35	–	662	0.042	–	–	–
Hu & Soubiran	2025	–	–	–	–	-0.230⁽⁵⁾	–	–	–
Almeida et al.	2025	3.31	1.75	–	355	–	478	–	–
Hunt & Reffert	2024	–	–	–	–	–	1493⁽¹⁾	–	–
Cavallo et al.	2024	2.99	1.41	–	794	-0.060	–	–	–
Hunt & Reffert	2023	3.78	1.35	1.33	437	–	–	–	–
Almeida et al.	2023	3.52	1.76	–	351	-0.125	899⁽¹⁾	0.51	–
Just et al.	2023	–	–	–	794	–	1352	–	–
Dias et al.	2021	3.31	1.75	–	355	-0.167	–	–	–
Cantat-Gaudin et al.	2020	4.02	1.21	–	575	–	–	–	–
Cantat-Gaudin & Anders	2020	4.09	–	–	–	–	–	–	–
Liu & Pang	2019	–	–	–	182	-0.500	–	–	–
Soubiran et al.	2018	4.09	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	4.09	–	–	–	–	–	–	–
Kharchenko et al.	2016	4.83	1.74	–	794	–	–	–	–
Kharchenko et al.	2013	4.83	1.74	–	794	–	–	–	–
Bukowiecki et al.	2012	–	–	–	–	–	769	–	–
Bukowiecki et al.	2011	4.29⁽¹⁾	1.67	–	398	–	–	–	–
Glushkova et al.	2010	2.67	1.67	–	316	–	–	–	–
Dias et al.	2002	3.76	1.89	–	501	–	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OC 0487	9.7	128.16	-48.3	0.22	-2.53	3.24	33.46	0.0
OC 0488	9.7	128.18	-48.3	0.24	-2.52	3.27	33.46	0.0

💡 Note: The % column shows the percentage of members that Ruprecht 63 shares with each listed object.

Visualization

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