Berkeley 70

(MWSC 538; OCL 422; FSR 0743)

0.93 UTI

0.9

C_N

1.0

C_dens

0.75

C_C3

1.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 487

Stellar density (N₅₀/rad) 27.1 [N/pc²]

C3 classification AB

C_N 0.9 Very 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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Berkeley 70 is a very rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, old cluster, but with a large variance across recent sources for the age and metallicity 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 Massive Near-solar metallicity Old Contains BSS

Almeida et al. (2025)
Mass determination: worst fit. Isochrone match: intermediate fit.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Berkeley 70 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–	81.457	41.951	0.213	0.849	-1.884	-13.697
Li et al.	2025	81.457	41.951	0.177	0.947	-1.864	–
Hu & Soubiran	2025	81.467	41.958	–	–	–	–
Almeida et al.	2025	81.46	41.949	–	–	–	–
Zhang et al.	2024	81.454	41.95	–	–	–	–
Hunt & Reffert	2024	81.454	41.95	0.215	0.832	-1.875	-10.821
Cavallo et al.	2024	81.467	41.958	0.216	–	–	–
Hunt & Reffert	2023	81.454	41.95	0.215	0.832	-1.875	-10.821
Just et al.	2023	81.431	41.931	–	–	–	–
Jaehnig et al.	2021	81.459	41.963	0.183	0.92	-1.917	–
Rain et al.	2021	81.457	41.951	0.177	0.947	-1.864	–
Dias et al.	2021	81.46	41.949	0.176	0.993	-1.874	-15.164
Cantat-Gaudin et al.	2020	81.457	41.951	0.177	0.947	-1.864	–
Cantat-Gaudin & Anders	2020	81.457	41.951	0.177	0.947	-1.864	–
Soubiran et al.	2018	81.457	41.951	–	–	–	-15.12
Bica et al.	2019	81.466	41.962	–	–	–	–
Cantat-Gaudin et al.	2018	81.457	41.951	0.177	0.947	-1.864	–
Loktin & Popova	2017	81.42	41.93	–	-0.38	-1.492	-15.0
Kharchenko et al.	2016	81.431	41.931	–	–	–	–
Dias et al.	2014	81.425	41.9	–	0.1	3.39	–
Kharchenko et al.	2013	81.441	41.93	–	-0.81	-5.4	–
Gozha et al.	2012	81.425	41.9	–	–	–	–
Kharchenko et al.	2012	81.441	41.93	–	-0.81	-5.4	–
van den Bergh	2006	81.436	41.896	–	–	–	–
Chen et al.	2003	81.422	41.904	–	–	–	–
Dias et al.	2002	81.425	41.9	–	0.1	3.39	-15.0

💡 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–	4.59	1.55	2.31	2292	-0.320	1653	–	12.0
Li et al.	2025	4.57	2.09	–	2344	-0.652	–	–	–
Hu & Soubiran	2025	–	–	–	–	-0.250⁽⁵⁾	–	–	–
Almeida et al.	2025	4.59	1.56	–	2891	–	3161	–	–
Zhang et al.	2024	–	–	–	–	0.124⁽¹⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	1653⁽¹⁾	–	–
Cavallo et al.	2024	3.61	1.90	–	2239	-0.560	–	–	–
Hunt & Reffert	2023	4.02	1.70	2.31	904	–	–	–	–
Just et al.	2023	–	–	–	2239	–	1493	–	–
Jaehnig et al.	2021	5.86⁽¹⁾	–	–	–	–	–	–	–
Rain et al.	2021	4.85	1.49	–	4677	–	–	–	12
Dias et al.	2021	4.59	1.56	–	2891	0.006	–	–	–
Cantat-Gaudin et al.	2020	4.97	1.23	–	2188	–	–	–	–
Cantat-Gaudin & Anders	2020	4.85	–	–	–	–	–	–	–
Soubiran et al.	2018	4.85	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	4.85	–	–	–	–	–	–	–
Loktin & Popova	2017	3.94	0.90	–	1259	–	–	–	–
Kharchenko et al.	2016	5.00	1.55	–	2239	–	–	–	–
Kharchenko et al.	2013	5.00	1.55	–	2239	-0.320	–	–	–
Gozha et al.	2012	4.17	–	–	4677	-0.320	–	–	–
Kharchenko et al.	2012	5.00	1.55	–	2239	-0.320	–	–	–
van den Bergh	2006	4.16	1.49	–	4677	–	–	–	–
Chen et al.	2003	4.16	1.49	–	4000	-0.320⁽¹⁾	–	–	–
Dias et al.	2002	4.17	1.49	–	4677	-0.010	–	–	–

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

Visualization

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