Ruprecht 26

(MWSC 1285; OCL 602; FSR 1244; FoF 380; LP 380; FoF 2326)

0.90 UTI

0.76

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%) 134

Radius (P>50% members) 12.2 [arcmin]

C_N 0.76 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 26 is a rich, very dense 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, young cluster (see Parameters). It is very well-studied in the literature.

Relatively close Low extinction Near-solar metallicity Young

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

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Ruprecht 26 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	–	114.294	-15.581	0.904	-3.24	0.119	16.062
Li et al.	2025	114.271	-15.587	0.923	-3.2	0.071	–
Almeida et al.	2025	114.256	-15.574	–	–	–	–
Hunt & Reffert	2024	114.254	-15.591	0.894	-3.236	0.132	17.665
Cavallo et al.	2024	114.275	-15.561	0.898	–	–	–
Hunt & Reffert	2023	114.254	-15.591	0.894	-3.236	0.132	17.665
Just et al.	2023	114.286	-15.658	–	–	–	–
He et al.	2022	114.281	-15.577	0.908	-3.233	0.122	–
Dias et al.	2021	114.256	-15.574	0.921	-3.207	0.057	–
Cantat-Gaudin et al.	2020	114.271	-15.587	0.923	-3.2	0.071	–
Sánchez et al.	2020	114.296	-15.663	–	-1.14	2.77	–
Cantat-Gaudin & Anders	2020	114.271	-15.587	0.923	-3.2	0.071	–
Liu & Pang	2019	114.294	-15.67	0.421	-1.298	2.795	–
Soubiran et al.	2018	114.271	-15.587	–	–	–	13.19
Bica et al.	2019	114.292	-15.642	–	–	–	–
Cantat-Gaudin et al.	2018	114.271	-15.587	0.923	-3.2	0.071	–
Loktin & Popova	2017	114.3	-15.663	–	-1.092	0.934	17.8
Kharchenko et al.	2016	114.286	-15.658	–	–	–	–
Dias et al.	2014	114.296	-15.663	–	-1.51	1.25	–
Kharchenko et al.	2013	114.292	-15.66	–	-2.6	-0.15	17.8
Gozha et al.	2012	114.296	-15.663	–	–	–	–
Piskunov et al.	2008	114.297	-15.65	–	–	–	–
Kharchenko et al.	2007	114.3	-15.65	–	0.2	–	15.0
Piskunov et al.	2007	114.297	-15.65	–	–	–	–
Kharchenko et al.	2005	114.3	-15.65	–	-3.38	-1.34	15.0
Kharchenko et al.	2003	114.27	-15.66	–	-2.26	-1.4	–
Dias et al.	2002	114.296	-15.663	–	-1.51	1.25	15.0

💡 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	1.00	0.40	–	26	-0.145	–	–	–
Almeida et al.	2025	1.03	0.48	–	45	–	227	–	–
Hunt & Reffert	2024	–	–	–	–	–	333*	–	–
Cavallo et al.	2024	1.07	0.57	–	19	-0.240	–	–	–
Hunt & Reffert	2023	1.06	0.21	0.99	30	–	–	–	–
Just et al.	2023	–	–	–	63	–	194	–	–
He et al.	2022	–	0.25	–	18	–	–	–	–
Dias et al.	2021	1.03	0.48	–	45	-0.100	–	–	–
Cantat-Gaudin et al.	2020	1.08	0.27	–	32	–	–	–	–
Cantat-Gaudin & Anders	2020	1.05	–	–	–	–	–	–	–
Liu & Pang	2019	–	–	–	759	-0.250	–	–	–
Soubiran et al.	2018	1.05	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	1.05	–	–	–	–	–	–	–
Loktin & Popova	2017	2.58	0.46	–	832	–	–	–	–
Kharchenko et al.	2016	1.46	0.81	–	63	–	–	–	–
Kharchenko et al.	2013	1.46	0.81	–	63	0.313	–	–	–
Gozha et al.	2012	1.25	–	–	398	–	380	–	–
Piskunov et al.	2008	1.44	0.31	–	31	–	369*	–	–
Piskunov et al.	2007	1.44	0.31	–	31	–	82	–	–
Kharchenko et al.	2005	1.44	0.31	–	31	–	–	–	–
Kharchenko et al.	2003	1.25	0.31	–	–	–	–	–	–
Dias et al.	2002	1.82	1.08	–	398	0.313	–	–	–

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

Visualization

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