Berkeley 18
(MWSC 512; King 22; OCL 420; OCL 419; FSR 0731)
Summary
Berkeley 18 is a very rich, very dense object of high C3 quality. It is located at a large distance from the Sun, above the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 80.55 | 45.4 | – | 0.33 | -4.52 | -5.5 |
| Chen et al. (2003) | 80.541 | 45.397 | – | – | – | – |
| Kharchenko et al. (2012) | 80.602 | 45.405 | – | -0.37 | -3.58 | – |
| Kharchenko et al. (2013) | 80.602 | 45.405 | – | -0.37 | -3.58 | -5.5 |
| Kharchenko et al. (2016) | 80.592 | 45.405 | – | – | – | – |
| Loktin & Popova (2017) | 80.55 | 45.4 | – | 0.22 | -1.212 | -5.5 |
| Cantat-Gaudin et al. (2018) | 80.531 | 45.442 | 0.152 | 0.849 | -0.057 | – |
| Bica et al. (2019) | 80.54 | 45.469 | – | – | – | – |
| Soubiran et al. (2018) | 80.531 | 45.442 | – | – | – | -2.0 |
| Cantat-Gaudin et al. (2020) | 80.531 | 45.442 | 0.152 | 0.849 | -0.057 | – |
| Rain et al. (2021) | 80.531 | 45.442 | 0.152 | 0.849 | -0.057 | – |
| Jaehnig et al. (2021) | 80.525 | 45.439 | 0.166 | 0.824 | -0.045 | – |
| Just et al. (2023) | 80.592 | 45.405 | – | – | – | – |
| Hunt & Reffert (2023) | 80.554 | 45.468 | 0.162 | 0.782 | -0.059 | -5.494 |
| Cavallo et al. (2024) | 80.54 | 45.441 | 0.165 | – | – | – |
| Hunt & Reffert (2024) | 80.554 | 45.468 | 0.162 | 0.782 | -0.059 | -5.494 |
| Zhang et al. (2024) | 80.554 | 45.468 | – | – | – | – |
| Hu & Soubiran (2025) | 80.54 | 45.441 | – | – | – | – |
| UCC | 80.54 | 45.44 | 0.17 | 0.776 | -0.079 | -2.731 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.46, Dist=5800.0, Age=9.63, [Fe/H]=-0.4 |
| Chen et al. (2003) | E(B-V)=0.46, HDis=5800, Age=4.26, [Fe/H]_1=0.02 |
| Kharchenko et al. (2012) | E(B-V)=0.45, d=5800.0, logt=9.63, [Fe/H]=0.02 |
| Kharchenko et al. (2013) | E(B-V)=0.45, d=5800.0, logt=9.63, [Fe/H]=0.02 |
| Kharchenko et al. (2016) | E(B-V)=0.45, d=5800.0, logt=9.63 |
| Loktin & Popova (2017) | E(B-V)=0.548, Dist=4406, logt=9.16 |
| Cantat-Gaudin et al. (2018) | dmode=5523.5 |
| Soubiran et al. (2018) | dmode=5523.5 |
| Cantat-Gaudin et al. (2020) | AVNN=1.53, DistPc=5632.0, AgeNN=9.64 |
| Rain et al. (2021) | E(B-V)=0.46, Dist=5523.5, log(Age)=9.63, NBSS=32 |
| Jaehnig et al. (2021) | dmode=5.831 |
| Just et al. (2023) | logt=9.63, logmt=4.089 |
| Hunt & Reffert (2023) | AV50=1.846, diffAV50=1.839, MOD50=13.502, logAge50=9.165 |
| Cavallo et al. (2024) | AV50=1.57, dMod50=13.59, logAge50=9.49, [Fe/H]50=-0.07 |
| Hunt & Reffert (2024) | MassJ=6570.42, MassTot=6624.60 |
| Zhang et al. (2024) | [Fe/H]ANN=-0.3662, [Fe/H]MCMC=-0.3650 |
| Hu & Soubiran (2025) | MA22=-0.26, MA23f=-0.38, MA23g=-0.34, MZ23=-0.59, MK24=-0.34, MF24=-0.38 |
Search coordinates in Bayestar19