Ruprecht 58

(MWSC 1456; OCL 712; ESO 430 27; FSR 1358; FoF 384)

0.91 UTI

0.8

C_N

1.0

C_dens

0.75

C_C3

1.0

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 236

Radius (P>50% members) 3.3 [arcmin]

C_N 0.8 Rich
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 1.0 Very well-studied
C_dup 1.0 Unique

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

Overview

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Ruprecht 58 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is very well-studied in the literature.

Relatively close Low extinction Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Ruprecht 58 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	–	123.71	-31.941	0.3	-2.646	1.413	34.936
Li et al.	2025	123.71	-31.938	0.266	-2.68	1.388	–
Hu & Soubiran	2025	123.714	-31.938	–	–	–	–
Almeida et al.	2025	123.715	-31.938	–	–	–	–
Hunt & Reffert	2024	123.713	-31.943	0.3	-2.626	1.431	51.983
Cavallo et al.	2024	123.714	-31.938	0.302	–	–	–
Hunt & Reffert	2023	123.713	-31.943	0.3	-2.626	1.431	51.983
Almeida et al.	2023	123.71	-31.935	–	–	–	–
Just et al.	2023	123.7	-31.942	–	–	–	–
Dias et al.	2021	123.715	-31.938	0.267	-2.684	1.374	–
Cantat-Gaudin et al.	2020	123.71	-31.938	0.266	-2.68	1.388	–
Sánchez et al.	2020	123.696	-31.95	–	-2.696	1.159	–
Cantat-Gaudin & Anders	2020	123.71	-31.938	0.266	-2.68	1.388	–
Liu & Pang	2019	123.712	-31.949	0.266	-2.629	1.649	–
Bossini et al.	2019	123.71	-31.938	–	–	–	–
Soubiran et al.	2018	123.71	-31.938	–	–	–	35.17
Bica et al.	2019	123.687	-31.948	–	–	–	–
Cantat-Gaudin et al.	2018	123.71	-31.938	0.266	-2.68	1.388	–
Kharchenko et al.	2016	123.7	-31.942	–	–	–	–
Dias et al.	2014	123.696	-31.95	–	-1.38	-0.21	–
Kharchenko et al.	2013	123.705	-31.945	–	-1.43	2.95	–
Dias et al.	2002	123.696	-31.95	–	-1.38	-0.21	–

💡 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	2.90	0.99	–	477	-0.153	–	–	–
Hu & Soubiran	2025	–	–	–	–	-0.240*	–	–	–
Almeida et al.	2025	2.98	1.21	–	240	–	625	–	–
Hunt & Reffert	2024	–	–	–	–	–	979*	–	–
Cavallo et al.	2024	2.64	1.08	–	562	-0.350	–	–	–
Hunt & Reffert	2023	2.89	0.63	1.14	569	–	–	–	–
Almeida et al.	2023	2.83	1.07	–	499	-0.124	605*	0.40	–
Just et al.	2023	–	–	–	412	–	406	–	–
Dias et al.	2021	2.98	1.21	–	240	-0.123	–	–	–
Cantat-Gaudin et al.	2020	3.22	0.80	–	331	–	–	–	–
Cantat-Gaudin & Anders	2020	3.39	–	–	–	–	–	–	–
Liu & Pang	2019	–	–	–	363	0.250	–	–	–
Bossini et al.	2019	2.96	0.68	–	508	0.000	–	–	–
Soubiran et al.	2018	3.39	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	3.39	–	–	–	–	–	–	–
Kharchenko et al.	2016	2.34	0.52	–	412	–	–	–	–
Kharchenko et al.	2013	2.34	0.52	–	412	–	–	–	–
Dias et al.	2002	2.23	0.19	–	708	–	–	–	–

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

Visualization

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