Berkeley 29

(MWSC 1008; OCL 486)

0.91 UTI

0.82

C_N

1.0

C_dens

0.75

C_C3

1.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 283

Stellar density (N₅₀/rad) 12.3 [N/pc²]

C3 classification AB

C_N 0.82 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 29 is a rich, very dense object of high C3 quality. Its parallax locates it at a very large distance, well above the mid-plane, affected by low extinction. It is catalogued as a very massive, near-solar metallicity, old cluster, but with a large variance across recent sources for the absorption, age, 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.

Extremely distant Low extinction Very massive Near-solar metallicity Old Contains BSS

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.12 (50th percentile).

Perren et al. (2022)
Tosi 2004 found this to be potentially the most distant cluster in the Galaxy, with an age of 3.5 Gyr and a distance of 11.2–14.4 kpc. The CMD shows a visible TO between 18

Rain et al. (2021)
Best fit with log(t)=9.4, E(b-v)=0.2 and solar metallicity.

Data

🔍 Search references for Berkeley 29 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–	103.267	16.928	0.085	0.146	-1.044	31.708
Otto et al.	2026	103.266	16.926	–	0.15	-1.01	25.3
Hu & Soubiran	2025	103.273	16.934	–	–	–	–
Zhang et al.	2024	103.266	16.926	–	–	–	–
Hunt & Reffert	2024	103.266	16.926	0.048	0.122	-1.065	25.394
Cavallo et al.	2024	103.273	16.934	0.047	–	–	–
Hunt & Reffert	2023	103.266	16.926	0.048	0.122	-1.065	25.394
Just et al.	2023	103.252	16.932	–	–	–	–
Perren et al.	2022	103.267	16.927	–	–	–	–
Jadhav & Subramaniam	2021	103.268	16.93	–	–	–	–
Jaehnig et al.	2021	103.268	16.932	0.042	0.118	-0.985	–
Rain et al.	2021	103.268	16.93	0.023	0.151	-1.01	–
Spina et al.	2021	103.268	16.929	0.008	0.146	-0.988	–
Cantat-Gaudin et al.	2020	103.268	16.93	0.023	0.151	-1.01	–
Donor et al.	2020	103.26	16.93	–	0.15	-1.01	25.9
Zhong et al.	2020	103.268	16.93	–	0.151	-1.01	22.771
Cantat-Gaudin & Anders	2020	103.268	16.93	0.023	0.151	-1.01	–
Soubiran et al.	2018	103.268	16.93	–	–	–	50.58
Bica et al.	2019	103.263	16.936	–	–	–	–
Cantat-Gaudin et al.	2018	103.268	16.93	0.023	0.151	-1.01	–
Loktin & Popova	2017	103.32	16.918	–	-2.26	-5.99	28.4
Kharchenko et al.	2016	103.252	16.932	–	–	–	–
Dias et al.	2014	103.325	16.917	–	-2.26	-5.99	–
Kharchenko et al.	2013	103.26	16.93	–	1.12	-3.93	28.4
Gozha et al.	2012	103.325	16.917	–	–	–	–
Bukowiecki et al.	2011	103.267	16.931	–	–	–	–
Kharchenko et al.	2007	103.32	16.92	–	0.05	–	–
Ahumada & Lapasset	2007	103.325	16.917	–	–	–	–
van den Bergh	2006	103.267	16.927	–	–	–	–
Chen et al.	2003	103.319	16.918	–	–	–	–
Dias et al.	2002	103.325	16.917	–	-2.26	-5.99	24.8

💡 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–	14.65	0.45	1.63	1166	-0.366	5068	0.56	1
Otto et al.	2026	–	–	–	3090	-0.510⁽¹⁵⁾	–	–	–
Hu & Soubiran	2025	–	–	–	–	-0.280⁽⁵⁾	–	–	–
Zhang et al.	2024	–	–	–	–	-0.380⁽¹⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	1063⁽¹⁾	–	–
Cavallo et al.	2024	8.87	0.43	–	7413	-0.440	–	–	–
Hunt & Reffert	2023	13.19	1.49	1.63	256	–	–	–	–
Just et al.	2023	–	–	–	1259	–	7709	–	–
Perren et al.	2022	14.39	0.22	–	3715	-0.210	11000	0.56	–
Spina et al.	2022	–	–	–	–	-0.490	–	–	–
Jadhav & Subramaniam	2021	12.59	0.24	–	3090	–	2428	–	0⁽¹⁾
Jaehnig et al.	2021	14.65⁽¹⁾	–	–	–	–	–	–	–
Rain et al.	2021	19.24	0.47	–	1047	–	–	–	1
Spina et al.	2021	8.17	–	–	3090	-0.480⁽²⁰⁾	–	–	–
Cantat-Gaudin et al.	2020	12.59	0.24	–	3090	–	–	–	–
Kounkel et al.	2020	7.38	0.54	–	1585	–	–	–	–
Donor et al.	2020	–	–	–	–	-0.490	–	–	–
Zhong et al.	2020	0.00	0.00	–	0	-0.366	–	–	–
Cantat-Gaudin & Anders	2020	19.24	–	–	–	–	–	–	–
Soubiran et al.	2018	19.24	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	19.24	–	–	–	–	–	–	–
Loktin & Popova	2017	14.87	0.50	–	1059	–	–	–	–
Kharchenko et al.	2016	10.80	0.33	–	1259	–	–	–	–
Kharchenko et al.	2013	10.80	0.33	–	1259	-0.310	–	–	–
Gozha et al.	2012	14.87	–	–	1059	-0.310	–	–	–
Bukowiecki et al.	2011	14.72⁽¹⁾	0.22	–	1000	–	–	–	–
Ahumada & Lapasset	2007	–	0.50	–	1072	–	–	–	7
van den Bergh	2006	14.87	0.50	–	1047	–	–	–	–
Chen et al.	2003	14.87	0.50	–	1050	-0.180⁽¹⁾	–	–	–
Dias et al.	2002	14.87	0.50	–	1059	-0.310	–	–	–

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

Visualization

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