Collinder 433

(NGC 7044; MWSC 3485; OCL 198; FSR 0268; FoF 71)

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) 1438

Stellar density (N₅₀/rad) 121.6 [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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Collinder 433 is a very rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a very massive, near-solar metallicity, old cluster, but with a large variance across recent sources for the metallicity and mass parameters (see Parameters). It is very well-studied in the literature.

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

Distant Moderate extinction Very massive Near-solar metallicity Old Contains BSS

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

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Collinder 433 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–	318.283	42.495	0.279	-4.943	-5.571	-48.22
Li et al.	2025	318.284	42.494	0.273	-4.976	-5.526	–
Hu & Soubiran	2025	318.291	42.496	–	–	–	–
Carrasco-Varela et al.	2025	318.457	42.531	–	–	–	–
Almeida et al.	2025	318.287	42.498	–	–	–	–
Hunt & Reffert	2024	318.285	42.494	0.27	-4.95	-5.569	-49.187
Cavallo et al.	2024	318.291	42.496	0.27	–	–	–
Hunt & Reffert	2023	318.285	42.494	0.27	-4.95	-5.569	-49.187
Just et al.	2023	318.287	42.492	–	–	–	–
Jaehnig et al.	2021	318.285	42.493	0.3	-4.976	-5.52	–
Rain et al.	2021	318.284	42.494	0.273	-4.976	-5.526	–
Dias et al.	2021	318.287	42.498	0.274	-4.971	-5.538	-48.753
Cantat-Gaudin et al.	2020	318.284	42.494	0.273	-4.976	-5.526	–
Sánchez et al.	2020	318.288	42.495	–	-4.651	-5.39	–
Cantat-Gaudin & Anders	2020	318.284	42.494	0.273	-4.976	-5.526	–
Liu & Pang	2019	318.293	42.496	0.293	-4.956	-5.525	–
Soubiran et al.	2018	318.284	42.494	–	–	–	-48.66
Bica et al.	2019	318.24	42.487	–	–	–	–
Cantat-Gaudin et al.	2018	318.284	42.494	0.273	-4.976	-5.526	–
Loktin & Popova	2017	318.285	42.496	–	-1.139	-0.688	-50.6
Kharchenko et al.	2016	318.287	42.492	–	–	–	–
Dias et al.	2014	318.288	42.495	–	-2.18	-4.97	–
Kharchenko et al.	2013	318.292	42.495	–	-4.06	-1.22	-50.6
Gozha et al.	2012	318.287	42.495	–	–	–	–
van den Bergh	2006	318.25	42.483	–	–	–	–
Dias et al.	2002	318.288	42.495	–	-2.18	-4.97	-50.56

💡 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–	3.24	2.05	1.8	1338	-0.160	6838	–	0.03
Li et al.	2025	2.99	2.93	–	1327	-0.349	–	–	–
Hu & Soubiran	2025	–	–	–	–	-0.130⁽⁵⁾	–	–	–
Carrasco-Varela et al.	2025	3.23	2.65	–	1327	-0.150	–	–	0.03⁽¹⁾
Almeida et al.	2025	3.23	2.65	–	1327	–	6838	–	–
Hunt & Reffert	2024	–	–	–	–	–	10533⁽¹⁾	–	–
Cavallo et al.	2024	2.96	2.65	–	1349	-0.040	–	–	–
Hunt & Reffert	2023	3.28	2.69	1.80	670	–	–	–	–
Just et al.	2023	–	–	–	1905	–	1820	–	–
Jaehnig et al.	2021	3.39⁽¹⁾	–	–	–	–	–	–	–
Rain et al.	2021	3.32	2.05	–	1259	–	–	–	7
Dias et al.	2021	3.23	2.65	–	1327	-0.189	–	–	–
Cantat-Gaudin et al.	2020	3.25	1.78	–	1660	–	–	–	–
Cantat-Gaudin & Anders	2020	3.32	–	–	–	–	–	–	–
Liu & Pang	2019	–	–	–	1230	0.250	–	–	–
Soubiran et al.	2018	3.32	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	3.32	–	–	–	–	–	–	–
Loktin & Popova	2017	3.43	1.88	–	1786	–	–	–	–
Kharchenko et al.	2016	3.17	1.87	–	1905	–	–	–	–
Kharchenko et al.	2013	3.17	1.87	–	1905	-0.160	–	–	–
Gozha et al.	2012	3.16	–	–	1901	-0.160	–	–	–
van den Bergh	2006	3.16	1.83	–	1905	–	–	–	–
Dias et al.	2002	3.33	2.05	–	1259	-0.160	–	–	–

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

Visualization

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