Berkeley 82
(MWSC 3065; OCL 103; FoF 2246)
0.90
UTI
0.77
CN
1.0
Cdens
0.75
CC3
1.0
Clit
1.0
Cdup
Radius (P>50% members)
5.3 [arcmin]
- CN 0.77 Rich
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 1.0 Very well-studied
- Cdup 1.0 Unique
Overview
Berkeley 82 is a rich, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age and mass parameters (see Parameters). It is very well-studied in the literature.
Relatively close
Moderate extinction
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 287.834 | 13.118 | 0.714 | 0.062 | -3.173 | -2.388 |
| Li et al. | 2025 | 287.845 | 13.111 | 0.708 | 0.178 | -3.168 | â |
| Almeida et al. | 2025 | 287.843 | 13.113 | â | â | â | â |
| Hunt & Reffert | 2024 | 287.838 | 13.117 | 0.729 | 0.028 | -3.196 | 7.376 |
| Cavallo et al. | 2024 | 287.826 | 13.133 | 0.728 | â | â | â |
| Hunt & Reffert | 2023 | 287.838 | 13.117 | 0.729 | 0.028 | -3.196 | 7.376 |
| Just et al. | 2023 | 287.829 | 13.094 | â | â | â | â |
| Jaehnig et al. | 2021 | 287.834 | 13.111 | 0.743 | 0.013 | -3.168 | â |
| Rain et al. | 2021 | 287.845 | 13.111 | 0.708 | 0.178 | -3.168 | â |
| Dias et al. | 2021 | 287.843 | 13.113 | 0.723 | 0.172 | -3.206 | â |
| Cantat-Gaudin et al. | 2020 | 287.845 | 13.111 | 0.708 | 0.178 | -3.168 | â |
| Cantat-Gaudin & Anders | 2020 | 287.845 | 13.111 | 0.708 | 0.178 | -3.168 | â |
| Liu & Pang | 2019 | 287.832 | 13.099 | 0.709 | -0.033 | -3.158 | â |
| Soubiran et al. | 2018 | 287.845 | 13.111 | â | â | â | -2.63 |
| Bica et al. | 2019 | 287.84 | 13.1 | â | â | â | â |
| Cantat-Gaudin et al. | 2018 | 287.845 | 13.111 | 0.708 | 0.178 | -3.168 | â |
| Loktin & Popova | 2017 | 287.835 | 13.118 | â | -0.06 | -4.38 | -2.8 |
| Kharchenko et al. | 2016 | 287.829 | 13.094 | â | â | â | â |
| Dias et al. | 2014 | 287.833 | 13.118 | â | 0.1 | 2.27 | â |
| Kharchenko et al. | 2013 | 287.835 | 13.096 | â | -0.9 | -4.54 | -2.8 |
| Gozha et al. | 2012 | 287.833 | 13.118 | â | â | â | â |
| van den Bergh | 2006 | 287.833 | 13.111 | â | â | â | â |
| Dias et al. | 2002 | 287.833 | 13.118 | â | -0.06 | -4.38 | -2.8 |
| Dambis | 1999 | 287.833 | 13.111 | â | â | â | â |
đĄ 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 |
|---|---|---|---|---|---|---|---|---|---|
| Li et al. | 2025 | 0.80 | 2.16 | â | 632 | 0.145 | â | â | â |
| Almeida et al. | 2025 | 1.31 | 2.78 | â | 190 | â | 118 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 748* | â | â |
| Cavallo et al. | 2024 | 1.25 | 2.91 | â | 132 | -0.140 | â | â | â |
| Hunt & Reffert | 2023 | 1.33 | 2.78 | 1.50 | 93 | â | â | â | â |
| Just et al. | 2023 | â | â | â | 115 | â | 127 | â | â |
| Tarricq et al. | 2022 | 1.31 | â | â | 120 | â | â | â | â |
| Jaehnig et al. | 2021 | 1.35* | â | â | â | â | â | â | â |
| Rain et al. | 2021 | 1.36 | 3.16 | â | 31 | â | â | â | 0 |
| Dias et al. | 2021 | 1.31 | 2.78 | â | 190 | 0.299 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 1.37 | 2.43 | â | 105 | â | â | â | â |
| Cantat-Gaudin & Anders | 2020 | 1.36 | â | â | â | â | â | â | â |
| Liu & Pang | 2019 | â | â | â | 234 | -1.250 | â | â | â |
| Soubiran et al. | 2018 | 1.36 | â | â | â | â | â | â | â |
| Cantat-Gaudin et al. | 2018 | 1.36 | â | â | â | â | â | â | â |
| Loktin & Popova | 2017 | 0.86 | 3.17 | â | 31 | â | â | â | â |
| Kharchenko et al. | 2016 | 1.12 | 2.84 | â | 115 | â | â | â | â |
| Kharchenko et al. | 2013 | 1.12 | 2.84 | â | 115 | â | â | â | â |
| Gozha et al. | 2012 | 0.86 | â | â | 31 | â | â | â | â |
| van den Bergh | 2006 | 0.86 | 3.16 | â | 31 | â | â | â | â |
| Dias et al. | 2002 | 0.86 | 3.17 | â | 31 | â | â | â | â |
| Dambis | 1999 | 0.87 | 3.21 | â | 50 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Almeida et al. (2025)
Mass determination: invalid due to poor quality CMD. Isochrone match: worst fit.
Cavallo et al. (2024)
Gold sample.