Berkeley 57
(NGC 7423; MWSC 3674; OCL 246; FSR 0391)
Summary
Berkeley 57 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is very well-studied in the literature.
This object shares a small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 343.783 | 57.097 | – | -1.43 | -4.32 | – |
| Kharchenko et al. (2012) | 343.791 | 57.095 | – | 3.91 | 1.24 | – |
| Kharchenko et al. (2013) | 343.791 | 57.095 | – | 3.91 | 1.24 | – |
| Kharchenko et al. (2016) | 343.785 | 57.092 | – | – | – | – |
| Loktin & Popova (2017) | 343.785 | 57.097 | – | 0.719 | 0.361 | – |
| Cantat-Gaudin et al. (2018) | 343.789 | 57.096 | 0.239 | -1.247 | -1.25 | – |
| Bica et al. (2019) | 343.8 | 57.095 | – | – | – | – |
| Soubiran et al. (2018) | 343.789 | 57.096 | – | – | – | -38.43 |
| Cantat-Gaudin et al. (2020) | 343.789 | 57.096 | 0.239 | -1.247 | -1.25 | – |
| Dias et al. (2021) | 343.782 | 57.092 | 0.241 | -1.257 | -1.229 | -38.0 |
| Just et al. (2023) | 343.785 | 57.092 | – | – | – | – |
| Hunt & Reffert (2023) | 343.788 | 57.099 | 0.252 | -1.217 | -1.293 | -37.606 |
| Cavallo et al. (2024) | 343.796 | 57.089 | 0.251 | – | – | – |
| Hunt & Reffert (2024) | 343.788 | 57.099 | 0.252 | -1.217 | -1.293 | -37.606 |
| Almeida et al. (2025) | 343.782 | 57.092 | – | – | – | – |
| Hu & Soubiran (2025) | 343.796 | 57.089 | – | – | – | – |
| UCC | 343.788 | 57.098 | 0.252 | -1.217 | -1.289 | -37.501 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.75, Dist=4150.0, Age=9.15 |
| Kharchenko et al. (2012) | E(B-V)=0.5, d=6001.0, logt=8.901 |
| Kharchenko et al. (2013) | E(B-V)=0.5, d=6001.0, logt=8.901 |
| Kharchenko et al. (2016) | E(B-V)=0.5, d=6001.0, logt=8.901 |
| Loktin & Popova (2017) | E(B-V)=0.603, Dist=3990, logt=8.95 |
| Cantat-Gaudin et al. (2018) | dmode=3733.2 |
| Soubiran et al. (2018) | dmode=3733.2 |
| Cantat-Gaudin et al. (2020) | AVNN=1.2, DistPc=3981.0, AgeNN=9.2 |
| Dias et al. (2021) | Av=1.966, Dist=3745, logage=9.147, [Fe/H]=-0.061 |
| Just et al. (2023) | logt=8.901, logmt=3.267 |
| Hunt & Reffert (2023) | AV50=1.808, diffAV50=1.76, MOD50=12.782, logAge50=9.077 |
| Cavallo et al. (2024) | AV50=2.27, dMod50=12.27, logAge50=9.21, [Fe/H]50=-0.48 |
| Hunt & Reffert (2024) | MassJ=1775.18, MassTot=1799.60 |
| Almeida et al. (2025) | AV=1.966, Dist=3745, logAge=9.147, MassRk=1122.4 |
| Hu & Soubiran (2025) | MA22=-0.22, MA23f=-0.32, MA23g=-0.23, MZ23=-0.26, MK24=-0.23, MF24=-0.26 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0191 | 13.7 | 343.79 | 57.1 | 0.26 | -1.21 | -1.31 | -37.5 | 0.0 |