NGC 2324

(Melotte 59; Collinder 125; MWSC 1084; OCL 542; FSR 1089; FoF 372)

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) 684

Stellar density (N₅₀/rad) 24.4 [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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NGC 2324 is a very rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by low extinction. It is catalogued as a massive, near-solar metallicity, intermediate-age cluster (see Parameters). It is very well-studied in the literature.

Note: This object contains blue stragglers according to at least one source.

Note: This object shares a very small percentage of members with a later reported entry. See table with shared members information.

Distant Low extinction Massive Near-solar metallicity Intermediate age Contains BSS

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

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD classes: 1.00 (50th percentile), true positive (human-assigned).

Ahumada & Lapasset (2007)
Star 168 (ref. 34) = 2668 (WEBDA), which appears as a straggler in the diagrams of (1976AUBas.C......1B), has a membership probability of 0% according to (1993Ap&SS.201...71M). The same reference gives star 59 a 75%. Star 6=HD 53206, star 127=HD 289581

Data

🔍 Search references for NGC 2324 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–	106.034	1.045	0.214	-0.328	-0.086	45.015
Otto et al.	2026	106.035	1.047	–	-0.31	-0.09	42.4
Li et al.	2025	106.033	1.046	0.191	-0.309	-0.094	–
Guerco et al.	2025	106.0	1.05	0.22	-0.36	-0.05	42.4
Hu & Soubiran	2025	106.03	1.043	–	–	–	–
Almeida et al.	2025	106.029	1.046	–	–	–	–
Zhang et al.	2024	106.035	1.047	–	–	–	–
Hunt & Reffert	2024	106.035	1.047	0.216	-0.322	-0.089	46.4
Cavallo et al.	2024	106.03	1.043	0.216	–	–	–
Hunt & Reffert	2023	106.035	1.047	0.216	-0.322	-0.089	46.4
Just et al.	2023	106.036	1.04	–	–	–	–
Jadhav & Subramaniam	2021	106.033	1.046	–	–	–	–
Jaehnig et al.	2021	106.043	1.05	0.217	-0.324	-0.11	–
Rain et al.	2021	106.033	1.046	0.191	-0.309	-0.094	–
Dias et al.	2021	106.029	1.046	0.189	-0.308	-0.096	43.948
Spina et al.	2021	106.033	1.046	0.187	-0.309	-0.101	–
Cantat-Gaudin et al.	2020	106.033	1.046	0.191	-0.309	-0.094	–
Donor et al.	2020	106.043	1.038	–	-0.31	-0.11	42.2
Zhong et al.	2020	106.033	1.046	–	-0.309	-0.094	48.073
Cantat-Gaudin & Anders	2020	106.033	1.046	0.191	-0.309	-0.094	–
Liu & Pang	2019	106.034	1.034	0.252	-0.36	-0.049	–
Soubiran et al.	2018	106.033	1.046	–	–	–	41.76
Bica et al.	2019	106.033	1.044	–	–	–	–
Cantat-Gaudin et al.	2018	106.033	1.046	0.191	-0.309	-0.094	–
Loktin & Popova	2017	106.035	1.046	–	-4.199	-0.59	41.8
Kharchenko et al.	2016	106.036	1.04	–	–	–	–
Dias et al.	2014	106.029	1.045	–	-2.6	1.35	–
Kharchenko et al.	2013	106.042	1.038	–	-2.74	0.35	41.8
Gozha et al.	2012	106.029	1.045	–	–	–	–
Bukowiecki et al.	2011	106.033	1.037	–	–	–	–
Kharchenko et al.	2007	106.03	1.04	–	0.09	–	–
Ahumada & Lapasset	2007	106.025	1.05	–	–	–	–
van den Bergh	2006	106.05	1.05	–	–	–	–
Chen et al.	2003	106.056	0.999	–	-1.7	-2.77	41.8
Dias et al.	2002	106.029	1.045	–	-2.6	1.35	41.81
Lynga	1987	106.042	1.048	–	–	–	–
Sulentic et al.	1973	106.048	1.062	–	–	–	–

💡 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–	4.03	0.54	0.34	537	-0.190	2979	–	1
Otto et al.	2026	–	–	–	537	-0.200⁽¹⁵⁾	–	–	–
Li et al.	2025	4.03	0.67	–	592	-0.174	–	–	–
Guerco et al.	2025	–	–	–	540	-0.200	–	–	–
Hu & Soubiran	2025	–	–	–	–	-0.270⁽⁵⁾	–	–	–
Almeida et al.	2025	3.70	0.77	–	564	–	1467	–	–
Zhang et al.	2024	–	–	–	–	-0.257⁽¹⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	3409⁽¹⁾	–	–
Cavallo et al.	2024	3.45	0.54	–	759	-0.130	–	–	–
Hunt & Reffert	2023	4.42	0.16	0.34	600	–	–	–	–
Just et al.	2023	–	–	–	479	–	2979	–	–
Spina et al.	2022	–	–	–	–	-0.190	–	–	–
Jadhav & Subramaniam	2021	4.21	0.40	–	537	–	2302	–	0⁽¹⁾
Jaehnig et al.	2021	4.61⁽¹⁾	–	–	–	–	–	–	–
Rain et al.	2021	4.54	0.79	–	447	–	–	–	1
Dias et al.	2021	3.70	0.77	–	564	-0.216	–	–	–
Spina et al.	2021	4.82	–	–	537	-0.196⁽²⁰⁾	–	–	–
Cantat-Gaudin et al.	2020	4.21	0.40	–	537	–	–	–	–
Kounkel et al.	2020	4.38	0.82	–	447	–	–	–	–
Donor et al.	2020	–	–	–	–	-0.190	–	–	–
Zhong et al.	2020	4.54⁽¹⁾	0.75	–	8680	-0.178	–	–	–
Cantat-Gaudin & Anders	2020	4.54	–	–	–	–	–	–	–
Liu & Pang	2019	–	–	–	1000	-2.000	–	–	–
Soubiran et al.	2018	4.54	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	4.54	–	–	–	–	–	–	–
Loktin & Popova	2017	3.92	0.39	–	439	–	–	–	–
Kharchenko et al.	2016	3.84	0.75	–	479	–	–	–	–
Perren et al.	2015	4.20⁽¹⁾	0.16⁽¹⁾	–	708⁽¹⁾	0.050⁽¹⁾	–	–	–
Kharchenko et al.	2013	3.84	0.75	–	479	-0.170	–	–	–
Bukowiecki et al.	2012	–	–	–	–	–	16585	–	–
Gozha et al.	2012	3.80	–	–	447	-0.170	–	–	–
Bukowiecki et al.	2011	3.70⁽¹⁾	0.00	–	794	–	–	–	–
Ahumada & Lapasset	2007	–	0.41	–	427	–	–	–	4
van den Bergh	2006	3.81	0.41	–	427	–	–	–	–
Chen et al.	2003	3.81	–	–	420	–	–	–	–
Dias et al.	2002	3.80	0.79	–	447	-0.170	–	–	–
Lynga	1987	2.90	0.16	–	661	-0.130	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OC 0355	9.8	106.04	1.03	0.24	-0.3	-0.1	41.37	0.0

💡 Note: The % column shows the percentage of members that NGC 2324 shares with each listed object.

Visualization

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