Berkeley 92

(FSR 0329; MWSC 3510; OCL 220)

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0.91 UTI
0.8
CN
1.0
Cdens
0.75
CC3
1.0
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 242
Radius (P>50% members) 1.4 [arcmin]
  • CN 0.8 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 1.0 Very well-studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
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Berkeley 92 is a rich, very dense object of high C3 quality. Its parallax locates it at a large distance, well 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 parameter (see Parameters). It is very well-studied in the literature.
Very distant Moderate extinction Massive Near-solar metallicity Old

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for Berkeley 92 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 – 321.201 57.526 0.1 -2.486 -2.317 -66.807
Hu & Soubiran 2025 321.196 57.528 – – – –
Hunt & Reffert 2024 321.199 57.529 0.111 -2.477 -2.308 -72.792
Cavallo et al. 2024 321.196 57.528 0.111 – – –
Hunt & Reffert 2023 321.199 57.529 0.111 -2.477 -2.308 -72.792
Just et al. 2023 321.19 57.529 – – – –
Cantat-Gaudin et al. 2020 321.206 57.528 0.068 -2.464 -2.325 –
Cantat-Gaudin & Anders 2020 321.206 57.528 0.068 -2.464 -2.325 –
Soubiran et al. 2018 321.206 57.528 – – – -67.09
Bica et al. 2019 321.28 57.493 – – – –
Cantat-Gaudin et al. 2018 321.206 57.528 0.068 -2.464 -2.325 –
Kharchenko et al. 2016 321.19 57.529 – – – –
Dias et al. 2014 321.196 57.533 – -4.36 1.83 –
Kharchenko et al. 2013 321.195 57.532 – -2.29 -1.62 –
Gozha et al. 2012 321.196 57.533 – – – –
Kharchenko et al. 2012 321.195 57.532 – -2.29 -1.62 –
Froebrich et al. 2007 321.204 57.533 – – – –
Dias et al. 2002 321.196 57.533 – -2.29 -1.62 –

💡 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] Bfr BSS
Hu & Soubiran 2025 – – – – -0.080* – – –
Hunt & Reffert 2024 – – – – – 1488* – –
Cavallo et al. 2024 7.80 2.34 – 1862 -0.260 – – –
Hunt & Reffert 2023 7.00 3.12 2.23 470 – – – –
Just et al. 2023 – – – 1000 – 711 – –
Cantat-Gaudin et al. 2020 7.28 2.20 – 2754 – – – –
Cantat-Gaudin & Anders 2020 10.28 – – – – – – –
Soubiran et al. 2018 10.28 – – – – – – –
Cantat-Gaudin et al. 2018 10.28 – – – – – – –
Kharchenko et al. 2016 6.00 2.48 – 1000 – – – –
Kharchenko et al. 2013 6.00 2.48 – 1000 -0.380 – – –
Gozha et al. 2012 8.63 – – 3162 -0.380 – – –
Kharchenko et al. 2012 6.00 2.48 – 1000 -0.380 – – –
Dias et al. 2002 8.63 2.48 – 3162 -0.380 – – –

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Visualization
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Berkeley 92 UCC
Berkeley 92 HUNT23
Berkeley 92 CANTAT20
Galactocentric position diagram