Collinder 323

(VDBH 212; NGC 6268; MWSC 2516; OCL 1002; vdBergh-Hagen 212; ESO 332 17; FoF 2242)

0.96 UTI

0.82

C_N

1.0

C_dens

1.0

C_C3

1.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 287

Stellar density (N₅₀/rad) 35.0 [N/pc²]

C3 classification AA

C_N 0.82 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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Collinder 323 is a rich, very dense object of very high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a 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.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Collinder 323 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–	255.53	-39.714	0.65	0.929	-0.796	-17.158
Li et al.	2025	255.524	-39.721	0.634	0.908	-0.781	–
Almeida et al.	2025	255.526	-39.713	–	–	–	–
Hunt & Reffert	2024	255.527	-39.723	0.646	0.927	-0.795	-20.361
Cavallo et al.	2024	255.54	-39.708	0.646	–	–	–
Hunt & Reffert	2023	255.527	-39.723	0.646	0.927	-0.795	-20.361
Almeida et al.	2023	255.517	-39.701	–	–	–	–
Just et al.	2023	255.522	-39.715	–	–	–	–
Jaehnig et al.	2021	255.52	-39.714	0.659	0.935	-0.778	–
Rain et al.	2021	255.524	-39.721	0.634	0.908	-0.781	–
Dias et al.	2021	255.526	-39.713	0.639	0.894	-0.77	-14.452
Cantat-Gaudin et al.	2020	255.524	-39.721	0.634	0.908	-0.781	–
Sánchez et al.	2020	255.542	-39.728	–	0.933	-0.892	–
Cantat-Gaudin & Anders	2020	255.524	-39.721	0.634	0.908	-0.781	–
Liu & Pang	2019	255.515	-39.703	0.683	0.943	-0.765	–
Soubiran et al.	2018	255.524	-39.721	–	–	–	-14.26
Bica et al.	2019	255.545	-39.741	–	–	–	–
Cantat-Gaudin et al.	2018	255.524	-39.721	0.634	0.908	-0.781	–
Loktin & Popova	2017	255.54	-39.729	–	0.964	-0.046	-15.1
Kharchenko et al.	2016	255.522	-39.715	–	–	–	–
Dias et al.	2014	255.542	-39.728	–	0.12	-1.85	–
Kharchenko et al.	2013	255.532	-39.715	–	0.9	-0.63	-15.1
Gozha et al.	2012	255.542	-39.728	–	–	–	–
Piskunov et al.	2008	255.524	-39.729	–	–	–	–
Kharchenko et al.	2007	255.54	-39.73	–	0.14	–	–
van den Bergh	2006	255.668	-39.738	–	–	–	–
Kharchenko et al.	2005	255.54	-39.73	–	1.26	-0.71	–
Kharchenko et al.	2003	255.52	-39.71	–	0.8	-0.91	–
Dias et al.	2002	255.542	-39.728	–	0.12	-1.85	-15.12

💡 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–	1.3	1.215	0.98	215	-0.044	447	0.47	0.0
Li et al.	2025	1.45	1.14	–	589	0.046	–	–	–
Almeida et al.	2025	1.30	1.54	–	257	–	447	–	–
Hunt & Reffert	2024	–	–	–	–	–	1480⁽¹⁾	–	–
Cavallo et al.	2024	1.38	1.22	–	355	0.160	–	–	–
Hunt & Reffert	2023	1.43	1.21	0.98	210	–	–	–	–
Almeida et al.	2023	1.41	1.56	–	220	-0.044	536⁽¹⁾	0.47	–
Just et al.	2023	–	–	–	447	–	29	–	–
Jaehnig et al.	2021	1.52⁽¹⁾	–	–	–	–	–	–	–
Rain et al.	2021	1.51	1.24	–	40	–	–	–	0
Dias et al.	2021	1.30	1.54	–	257	-0.153	–	–	–
Cantat-Gaudin et al.	2020	1.68	1.19	–	200	–	–	–	–
Cantat-Gaudin & Anders	2020	1.51	–	–	–	–	–	–	–
Liu & Pang	2019	–	–	–	417	-1.250	–	–	–
Soubiran et al.	2018	1.51	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	1.51	–	–	–	–	–	–	–
Loktin & Popova	2017	1.04	1.20	–	18	–	–	–	–
Kharchenko et al.	2016	1.10	1.29	–	447	–	–	–	–
Kharchenko et al.	2013	1.10	1.29	–	447	–	–	–	–
Gozha et al.	2012	1.08	–	–	40	–	60	–	–
Piskunov et al.	2008	1.03	1.21	–	174	–	–	–	–
van den Bergh	2006	1.03	1.21	–	17	–	–	–	–
Kharchenko et al.	2005	1.03	1.21	–	174	–	–	–	–
Kharchenko et al.	2003	1.03	1.21	–	–	–	–	–	–
Dias et al.	2002	1.08	1.24	–	40	–	–	–	–

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

Visualization

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