Ruprecht 16

(MWSC 1198; OCL 612; ESO 559 07)

0.82 UTI

0.62

C_N

1.0

C_dens

0.75

C_C3

0.87

C_lit

1.0

C_dup

N₅₀ (P>50% members) 75

Stellar density (N₅₀/rad) 5.4 [N/pc²]

C3 classification AB

C_N 0.62 Moderately populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.87 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 16 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the mass parameter (see Parameters). It is well-studied in the literature.

Relatively close Low extinction Near-solar metallicity Intermediate age

Liu et al. (2025)
Classified as primordial binary cluster 114 along with CWNU_2259.

Palma et al. (2025)
Classified as optical pair P200, along with CWNU_2259.

Cavallo et al. (2024)
Gold sample.

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

Data

🔍 Search references for Ruprecht 16 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–	110.803	-19.483	0.312	-2.134	2.514	52.007
Li et al.	2025	110.798	-19.48	0.304	-2.174	2.501	–
Almeida et al.	2025	110.799	-19.465	–	–	–	–
Hunt & Reffert	2024	110.794	-19.499	0.312	-2.129	2.516	44.88
Cavallo et al.	2024	110.795	-19.472	0.312	–	–	–
Hunt & Reffert	2023	110.794	-19.499	0.312	-2.129	2.516	44.88
Almeida et al.	2023	110.799	-19.474	–	–	–	–
Just et al.	2023	110.784	-19.471	–	–	–	–
Dias et al.	2021	110.799	-19.465	0.297	-2.164	2.491	–
Cantat-Gaudin et al.	2020	110.798	-19.48	0.304	-2.174	2.501	–
Cantat-Gaudin & Anders	2020	110.798	-19.48	0.304	-2.174	2.501	–
Soubiran et al.	2018	110.798	-19.48	–	–	–	52.22
Bica et al.	2019	110.759	-19.51	–	–	–	–
Cantat-Gaudin et al.	2018	110.798	-19.48	0.304	-2.174	2.501	–
Kharchenko et al.	2016	110.784	-19.471	–	–	–	–
Dias et al.	2014	110.804	-19.451	–	1.51	9.09	–
Kharchenko et al.	2013	110.79	-19.473	–	-0.06	4.9	–
Dias et al.	2002	110.804	-19.451	–	-1.25	0.07	–

💡 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–	2.74	0.85	0.64	242	-0.068	324	0.45	–
Liu et al.	2025	4.33	0.35	–	170	–	–	–	–
Li et al.	2025	2.69	0.85	–	309	0.045	–	–	–
Almeida et al.	2025	2.52	1.01	–	239	–	278	–	–
Hunt & Reffert	2024	–	–	–	–	–	436⁽¹⁾	–	–
Cavallo et al.	2024	2.79	1.08	–	214	-0.190	–	–	–
Hunt & Reffert	2023	2.81	0.82	0.64	244	–	–	–	–
Almeida et al.	2023	2.61	1.03	–	234	-0.046	369⁽¹⁾	0.45	–
Just et al.	2023	–	–	–	447	–	25	–	–
Dias et al.	2021	2.52	1.01	–	239	-0.090	–	–	–
Cantat-Gaudin et al.	2020	3.06	0.73	–	269	–	–	–	–
Cantat-Gaudin & Anders	2020	3.00	–	–	–	–	–	–	–
Soubiran et al.	2018	3.00	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	3.00	–	–	–	–	–	–	–
Kharchenko et al.	2016	1.70	0.84	–	447	–	–	–	–
Kharchenko et al.	2013	1.70	0.84	–	447	–	–	–	–
Dias et al.	2002	2.16	2.20	–	158	–	–	–	–

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

Visualization

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