Melotte 111

(Collinder 256; Coma Ber; MWSC 2020; Coma Star; Coma Berenices; OCL 558)

0.77 UTI

0.77

C_N

0.07

C_dens

1.0

C_C3

1.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 150

Stellar density (N₅₀/rad) 0.4 [N/pc²]

C3 classification AA

C_N 0.77 Rich
C_dens 0.07 Very loose
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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Melotte 111 is a rich, very loose object of very high C3 quality. Its parallax locates it at a very close 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.

Very close Low extinction Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Melotte 111 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–	185.06	25.478	11.593	-12.038	-9.002	0.38
Li et al.	2025	186.014	25.652	11.595	-12.03	-8.973	–
Almeida et al.	2025	186.304	25.368	–	–	–	–
Zhang et al.	2024	186.017	26.423	–	–	–	–
Hunt & Reffert	2024	186.017	26.423	11.709	-12.155	-8.855	-0.173
Cavallo et al.	2024	186.718	25.899	11.698	–	–	–
Hunt & Reffert	2023	186.017	26.423	11.709	-12.155	-8.855	-0.173
He et al.	2022	185.59	25.839	11.665	-12.106	-8.951	–
Tarricq et al.	2022	186.181	26.154	11.652	-11.996	-8.763	–
Jaehnig et al.	2021	186.175	25.766	11.616	-12.036	-8.916	–
Dias et al.	2021	186.304	25.368	11.582	-12.02	-8.909	0.124
Cantat-Gaudin et al.	2020	186.014	25.652	11.595	-12.03	-8.973	–
Bica et al.	2019	186.268	26.105	–	–	–	–
Yen et al.	2018	186.099	25.957	11.55	-12.22	-9.01	–
Loktin & Popova	2017	186.27	26.1	–	-6.78	-3.41	-1.0
Kharchenko et al.	2016	185.978	26.303	–	–	–	–
Dias et al.	2014	186.275	26.1	–	-6.52	-3.08	–
Kharchenko et al.	2013	185.985	26.3	–	-11.72	-8.76	-1.0
Gozha et al.	2012	186.275	26.1	–	–	–	–
Piskunov et al.	2008	185.623	25.854	–	–	–	–
Kharchenko et al.	2007	186.27	26.1	–	4.0	–	-0.87
Piskunov et al.	2007	185.623	25.854	–	–	–	–
van den Bergh	2006	185.625	25.85	–	–	–	–
Kharchenko et al.	2005	185.62	25.85	–	-11.45	-8.98	-1.17
Kharchenko et al.	2003	185.62	25.85	–	-11.03	-9.0	–
Chen et al.	2003	186.27	26.099	–	-11.38	-9.05	-0.1
Dias et al.	2002	186.275	26.1	–	-6.78	-3.41	0.01

💡 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–	0.09	0.04	0.44	603	0.064	246	–	–
Li et al.	2025	0.10	0.26	–	604	0.066	–	–	–
Almeida et al.	2025	0.09	0.15	–	619	–	51	–	–
Zhang et al.	2024	–	–	–	–	0.062⁽¹⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	49⁽¹⁾	–	–
Cavallo et al.	2024	0.09	0.29	–	295	0.200	–	–	–
Hunt & Reffert	2023	0.09	0.07	0.44	655	–	–	–	–
He et al.	2022	–	0.35	–	562	–	–	–	–
Tarricq et al.	2022	0.09	–	–	646	–	–	–	–
Jaehnig et al.	2021	0.09⁽¹⁾	–	–	–	–	–	–	–
Dias et al.	2021	0.09	0.15	–	619	-0.060	–	–	–
Cantat-Gaudin et al.	2020	0.09	0.00	–	646	–	–	–	–
Yen et al.	2018	0.09	0.16	–	562	–	–	–	–
Loktin & Popova	2017	0.10	0.04	–	449	–	–	–	–
Kharchenko et al.	2016	0.09	0.00	–	692	–	–	–	–
Kharchenko et al.	2013	0.09	0.00	–	692	0.070	–	–	–
Gozha et al.	2012	0.10	–	–	449	0.020	331	–	–
Piskunov et al.	2008	0.09	0.00	–	603	–	317⁽¹⁾	–	–
Piskunov et al.	2007	0.09	0.00	–	603	–	246	–	–
van den Bergh	2006	0.10	0.03	–	447	–	–	–	–
Kharchenko et al.	2005	0.09	0.00	–	603	–	–	–	–
Kharchenko et al.	2003	0.09	0.03	–	–	–	–	–	–
Chen et al.	2003	0.10	0.04	–	440	-0.050⁽¹⁾	–	–	–
Dias et al.	2002	0.10	0.04	–	449	0.070	–	–	–

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

Visualization

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