Melotte 52

(Collinder 118; NGC 2287; MWSC 978; M 41; OCL 597; ESO 557 14; FoF 2269)

1.0 UTI

1.0

C_N

1.0

C_dens

1.0

C_C3

1.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 1166

Stellar density (N₅₀/rad) 55.4 [N/pc²]

C3 classification AA

C_N 1.0 Very rich
C_dens 1.0 Very dense
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 52 is a very rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, below the mid-plane, affected by low extinction. It is catalogued as a massive, near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age, metallicity, and mass parameters (see Parameters). It is very well-studied in the literature.

Close Low extinction Massive 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 Melotte 52 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–	101.5	-20.716	1.357	-4.366	-1.351	23.306
Nizovkina et al.	2025	101.495	-20.703	–	–	–	–
Li et al.	2025	101.499	-20.716	1.36	-4.339	-1.381	–
Wei et al.	2025	101.507	-20.722	1.361	-4.374	-1.37	–
Almeida et al.	2025	101.508	-20.701	–	–	–	–
Alfonso et al.	2024	101.499	-20.719	1.326	-4.365	-1.364	–
Hunt & Reffert	2024	101.495	-20.703	1.363	-4.369	-1.362	22.952
Cavallo et al.	2024	101.506	-20.708	1.361	–	–	–
Hunt & Reffert	2023	101.495	-20.703	1.363	-4.369	-1.362	22.952
Almeida et al.	2023	101.559	-20.693	–	–	–	–
Cordoni et al.	2023	101.508	-20.701	1.354	-4.335	-1.389	–
Just et al.	2023	101.506	-20.743	–	–	–	–
He et al.	2022	101.505	-20.725	1.359	-4.365	-1.358	–
Tarricq et al.	2022	101.509	-20.728	1.352	-4.366	-1.363	–
Jaehnig et al.	2021	101.502	-20.726	1.399	-4.353	-1.391	–
Rain et al.	2021	101.499	-20.716	1.36	-4.339	-1.381	–
Dias et al.	2021	101.508	-20.701	1.354	-4.335	-1.389	24.396
Cantat-Gaudin et al.	2020	101.499	-20.716	1.36	-4.339	-1.381	–
Cantat-Gaudin & Anders	2020	101.499	-20.716	1.36	-4.339	-1.381	–
Liu & Pang	2019	101.51	-20.696	1.358	-4.348	-1.381	–
Bossini et al.	2019	101.499	-20.716	–	–	–	–
Soubiran et al.	2018	101.499	-20.716	–	–	–	23.52
Bica et al.	2019	101.48	-20.768	–	–	–	–
Cantat-Gaudin et al.	2018	101.499	-20.716	1.36	-4.339	-1.381	–
Loktin & Popova	2017	101.505	-20.757	–	-0.062	0.089	24.5
Kharchenko et al.	2016	101.506	-20.743	–	–	–	–
Dias et al.	2014	101.504	-20.757	–	-0.84	-0.56	–
Kharchenko et al.	2013	101.512	-20.745	–	-3.33	-0.75	24.5
Gozha et al.	2012	101.504	-20.757	–	–	–	–
Piskunov et al.	2008	101.499	-20.759	–	–	–	–
Kharchenko et al.	2007	101.5	-20.76	–	0.5	–	24.47
Piskunov et al.	2007	101.499	-20.759	–	–	–	–
van den Bergh	2006	101.5	-20.767	–	–	–	–
Kharchenko et al.	2005	101.5	-20.76	–	-4.57	-0.67	23.3
Kharchenko et al.	2003	101.52	-20.71	–	-4.49	-0.57	–
Chen et al.	2003	101.641	-20.735	–	-4.34	-0.09	25.8
Dias et al.	2002	101.504	-20.757	–	-0.84	-0.56	23.3

💡 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–	0.7	0.09	0.45	240	-0.088	1101	0.35	0.0
Nizovkina et al.	2025	0.73⁽⁴⁾	0.27⁽⁴⁾	–	156⁽⁴⁾	-0.131⁽⁴⁾	–	–	–
Li et al.	2025	0.68	0.14	–	301	-0.141	–	–	–
Wei et al.	2025	0.74	0.12	–	98	0.250	1101	0.35	–
Almeida et al.	2025	0.70	0.17	–	302	–	1256	–	–
Alfonso et al.	2024	0.69	0.02	–	403	-0.099	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	1668⁽¹⁾	–	–
Cavallo et al.	2024	0.73	0.07	–	229	0.320	–	–	–
Hunt & Reffert	2023	0.70	0.09	0.45	155	–	–	–	–
Almeida et al.	2023	0.71	0.23	–	198	-0.078	1126⁽¹⁾	0.43	–
Cordoni et al.	2023	0.71	0.17	–	302	-0.100	1282	0.25	0.00
Just et al.	2023	–	–	–	178	–	127	–	–
He et al.	2022	–	0.25	–	112	–	–	–	–
Tarricq et al.	2022	0.68	–	–	178	–	–	–	–
Jaehnig et al.	2021	0.71⁽¹⁾	–	–	–	–	–	–	–
Rain et al.	2021	0.72	0.03	–	302	–	–	–	0
Dias et al.	2021	0.70	0.17	–	302	-0.100	–	–	–
Cantat-Gaudin et al.	2020	0.69	0.02	–	170	–	–	–	–
Cantat-Gaudin & Anders	2020	0.72	–	–	–	–	–	–	–
Liu & Pang	2019	–	–	–	98	0.250	–	–	–
Bossini et al.	2019	0.66	0.06	–	306	-0.110	–	–	–
Soubiran et al.	2018	0.72	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	0.72	–	–	–	–	–	–	–
Loktin & Popova	2017	0.70	0.08	–	244	–	–	–	–
Kharchenko et al.	2016	0.77	0.19	–	178	–	–	–	–
Kharchenko et al.	2013	0.77	0.19	–	178	0.040	–	–	–
Gozha et al.	2012	0.71	–	–	251	-0.060	324	–	–
Piskunov et al.	2008	0.69	0.09	–	282	–	568⁽¹⁾	–	–
Piskunov et al.	2007	0.69	0.09	–	282	–	206	–	–
van den Bergh	2006	0.69	0.09	–	240	–	–	–	–
Kharchenko et al.	2005	0.69	0.09	–	282	–	–	–	–
Kharchenko et al.	2003	0.69	0.09	–	–	–	–	–	–
Chen et al.	2003	0.69	0.08	–	240	0.040⁽¹⁾	–	–	–
Dias et al.	2002	0.71	0.03	–	251	-0.230	–	–	–

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

Visualization

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