Ferrero 11

(ASCC 22; MWSC 813)

0.90 UTI

0.76

C_N

1.0

C_dens

0.75

C_C3

1.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 127

Stellar density (N₅₀/rad) 8.9 [N/pc²]

C3 classification AB

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

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

Overview

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Ferrero 11 is a rich, very dense object of high C3 quality. Its parallax locates it at a close 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 age parameter (see Parameters). It is very well-studied in the literature.

Close Low extinction Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Ferrero 11 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–	93.643	0.634	1.241	-3.008	-4.353	18.225
Li et al.	2025	93.646	0.637	1.24	-3.013	-4.339	–
Almeida et al.	2025	93.612	0.619	–	–	–	–
Alfonso et al.	2024	93.635	0.698	1.209	-2.99	-4.353	–
Zhang et al.	2024	93.659	0.652	–	–	–	–
Hunt & Reffert	2024	93.659	0.652	1.214	-3.017	-4.309	17.288
Cavallo et al.	2024	93.753	0.578	1.227	–	–	–
Hunt & Reffert	2023	93.659	0.652	1.214	-3.017	-4.309	17.288
Just et al.	2023	93.623	0.661	–	–	–	–
He et al.	2022	93.675	0.659	1.249	-3.031	-4.35	–
Tarricq et al.	2022	93.662	0.662	1.236	-2.997	-4.36	–
Dias et al.	2021	93.612	0.619	1.237	-3.019	-4.326	32.239
Cantat-Gaudin et al.	2020	93.646	0.637	1.24	-3.013	-4.339	–
Cantat-Gaudin & Anders	2020	93.646	0.637	1.24	-3.013	-4.339	–
Bossini et al.	2019	93.651	0.637	–	–	–	–
Soubiran et al.	2018	93.646	0.637	–	–	–	24.8
Bica et al.	2019	93.64	0.646	–	–	–	–
Cantat-Gaudin et al.	2018	93.646	0.637	1.24	-3.013	-4.339	–
Loktin & Popova	2017	93.63	0.642	–	-1.14	-3.3	–
Kharchenko et al.	2016	93.623	0.661	–	–	–	–
Dias et al.	2014	93.638	0.642	–	-1.14	-3.3	–
Kharchenko et al.	2013	93.63	0.66	–	-4.16	-3.97	90.3
Piskunov et al.	2008	93.622	0.637	–	–	–	–
Kharchenko et al.	2005	93.63	0.64	–	-5.01	-3.88	–
Dias et al.	2002	93.638	0.642	–	-1.14	-3.3	–

💡 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–	0.81	0.62	1.13	285	-0.050	187	–	–
Li et al.	2025	0.81	0.67	–	291	0.068	–	–	–
Almeida et al.	2025	0.77	0.86	–	343	–	187	–	–
Alfonso et al.	2024	0.82	0.57	–	460	-0.100	–	–	–
Zhang et al.	2024	–	–	–	–	-0.140⁽¹⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	260⁽¹⁾	–	–
Cavallo et al.	2024	0.82	0.82	–	135	0.150	–	–	–
Hunt & Reffert	2023	0.77	0.43	1.13	351	–	–	–	–
Just et al.	2023	–	–	–	285	–	64	–	–
He et al.	2022	–	0.85	–	224	–	–	–	–
Tarricq et al.	2022	0.81	–	–	288	–	–	–	–
Dias et al.	2021	0.77	0.86	–	343	-0.100	–	–	–
Cantat-Gaudin et al.	2020	0.82	0.57	–	282	–	–	–	–
Cantat-Gaudin & Anders	2020	0.79	–	–	–	–	–	–	–
Bossini et al.	2019	0.81	0.56	–	359	0.000	–	–	–
Soubiran et al.	2018	0.79	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	0.79	–	–	–	–	–	–	–
Loktin & Popova	2017	0.91	0.96	–	114	–	–	–	–
Kharchenko et al.	2016	0.77	0.61	–	285	–	–	–	–
Kharchenko et al.	2013	0.77	0.61	–	285	–	–	–	–
Piskunov et al.	2008	1.50	0.62	–	263	–	–	–	–
Kharchenko et al.	2005	1.50	0.62	–	263	–	–	–	–
Dias et al.	2002	1.50	0.62	–	263	–	–	–	–

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

Visualization

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