Collinder 52

(NGC 1605; MWSC 394; OCL 406; FSR 0694)

0.91 UTI

0.78

C_N

1.0

C_dens

0.75

C_C3

1.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 193

Stellar density (N₅₀/rad) 36.4 [N/pc²]

C3 classification AB

C_N 0.78 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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Collinder 52 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young 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 Young

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

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Collinder 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–	68.746	45.27	0.328	0.936	-1.983	-3.853
Almeida et al.	2025	68.743	45.264	–	–	–	–
Zhang et al.	2024	68.753	45.271	–	–	–	–
Hunt & Reffert	2024	68.753	45.271	0.322	0.948	-2.002	-1.552
Cavallo et al.	2024	68.747	45.263	0.324	–	–	–
Hunt & Reffert	2023	68.753	45.271	0.322	0.948	-2.002	-1.552
Almeida et al.	2023	68.743	45.269	–	–	–	–
Just et al.	2023	68.719	45.274	–	–	–	–
Dias et al.	2021	68.743	45.264	0.287	1.002	-2.0	–
Cantat-Gaudin et al.	2020	68.745	45.269	0.295	0.99	-1.977	–
Cantat-Gaudin & Anders	2020	68.745	45.269	0.295	0.99	-1.977	–
Soubiran et al.	2018	68.745	45.269	–	–	–	-1.15
Bica et al.	2019	68.726	45.265	–	–	–	–
Cantat-Gaudin et al.	2018	68.745	45.269	0.295	0.99	-1.977	–
Loktin & Popova	2017	68.715	45.271	–	-0.529	-3.985	–
Kharchenko et al.	2016	68.719	45.274	–	–	–	–
Dias et al.	2014	68.721	45.27	–	-1.97	-2.04	–
Kharchenko et al.	2013	68.73	45.275	–	-0.47	-3.08	–
Kharchenko et al.	2012	68.73	45.275	–	-0.47	-3.08	–
van den Bergh	2006	68.75	45.25	–	–	–	–
Dias et al.	2002	68.721	45.27	–	-1.97	-2.04	–

💡 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–	2.6	2.665	1.11	63	-0.114	598	0.56	–
Almeida et al.	2025	2.45	2.53	–	382	–	585	–	–
Zhang et al.	2024	–	–	–	–	-0.149⁽¹⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	1609⁽¹⁾	–	–
Cavallo et al.	2024	2.77	2.65	–	269	0.300	–	–	–
Hunt & Reffert	2023	2.78	2.58	1.11	215	–	–	–	–
Almeida et al.	2023	2.46	2.68	–	63	-0.151	610⁽¹⁾	0.56	–
Just et al.	2023	–	–	–	41	–	153	–	–
Dias et al.	2021	2.45	2.53	–	382	-0.079	–	–	–
Cantat-Gaudin et al.	2020	3.08	2.21	–	191	–	–	–	–
Cantat-Gaudin & Anders	2020	3.08	–	–	–	–	–	–	–
Soubiran et al.	2018	3.08	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	3.08	–	–	–	–	–	–	–
Loktin & Popova	2017	2.00	1.83	–	417	–	–	–	–
Kharchenko et al.	2016	2.60	3.01	–	41	–	–	–	–
Kharchenko et al.	2013	2.60	3.01	–	41	–	–	–	–
Kharchenko et al.	2012	2.60	3.01	–	41	–	–	–	–
van den Bergh	2006	2.55	3.01	–	41	–	–	–	–
Dias et al.	2002	2.56	3.01	–	41	–	–	–	–

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

Visualization

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