UPK 230
Summary
UPK 230 is a poorly populated, dense object of intermediate C3 quality. It is located at a close distance from the Sun, above the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Sim et al. (2019) | 353.431 | 71.803 | – | 4.9 | -0.79 | – |
| Cantat-Gaudin et al. (2020) | 353.465 | 71.788 | 1.841 | 4.892 | -0.809 | – |
| Dias et al. (2021) | 353.573 | 71.681 | 1.848 | 4.9 | -0.778 | -5.322 |
| Tarricq et al. (2022) | 353.536 | 71.719 | 1.85 | 4.89 | -0.934 | – |
| Hunt & Reffert (2023) | 354.486 | 71.896 | 1.835 | 4.768 | -1.052 | -10.261 |
| Cavallo et al. (2024) | 352.852 | 71.213 | 1.83 | – | – | – |
| Hunt & Reffert (2024) | 354.486 | 71.896 | 1.835 | 4.768 | -1.052 | -10.261 |
| Alfonso et al. (2024) | -6.574 | 71.557 | 1.817 | 4.898 | -0.878 | – |
| Almeida et al. (2025) | 353.573 | 71.681 | – | – | – | – |
| UCC | 353.746 | 71.802 | 1.868 | 4.887 | -0.871 | -5.464 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=535, log(age)=8.35 |
| Cantat-Gaudin et al. (2020) | AVNN=0.93, DistPc=558.0, AgeNN=7.86 |
| Dias et al. (2021) | Av=1.328, Dist=535, logage=8.109, [Fe/H]=-0.033 |
| Tarricq et al. (2022) | Dist=549, logAgeNN=7.88 |
| Hunt & Reffert (2023) | AV50=0.934, diffAV50=2.067, MOD50=8.595, logAge50=8.089 |
| Cavallo et al. (2024) | AV50=1.25, dMod50=8.64, logAge50=8.06, [Fe/H]50=-0.23 |
| Hunt & Reffert (2024) | MassJ=56.5770, MassTot=301.742 |
| Alfonso et al. (2024) | AV=0.92940, MOD=8.74017, logAge=7.80669, Z=-0.0331 |
| Almeida et al. (2025) | AV=1.328, Dist=535, logAge=8.109, MassRk=61.6 |
Search coordinates in Bayestar19