UPK 180
Summary
UPK 180 is a moderately populated, loose object of intermediate C3 quality. It is located at a close distance from the Sun, near the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Sim et al. (2019) | 339.018 | 56.673 | – | -0.61 | 0.21 | – |
| Cantat-Gaudin et al. (2020) | 339.051 | 56.771 | 1.166 | -0.594 | 0.325 | – |
| Dias et al. (2021) | 339.096 | 56.793 | 1.163 | -0.589 | 0.386 | -14.301 |
| Tarricq et al. (2022) | 339.02 | 56.689 | 1.162 | -0.56 | 0.179 | – |
| Hunt & Reffert (2023) | 338.843 | 56.528 | 1.171 | -0.508 | 0.267 | -17.58 |
| Cavallo et al. (2024) | 339.368 | 56.787 | 1.17 | – | – | – |
| Hunt & Reffert (2024) | 338.843 | 56.528 | 1.171 | -0.508 | 0.267 | -17.58 |
| Alfonso et al. (2024) | 341.663 | 57.897 | 1.066 | -0.354 | -0.544 | – |
| Almeida et al. (2025) | 339.096 | 56.793 | – | – | – | – |
| UCC | 338.994 | 56.76 | 1.168 | -0.564 | 0.212 | -14.963 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=832, log(age)=8.55 |
| Cantat-Gaudin et al. (2020) | AVNN=0.56, DistPc=843.0, AgeNN=8.39 |
| Dias et al. (2021) | Av=1.195, Dist=842, logage=8.136, [Fe/H]=-0.108 |
| Tarricq et al. (2022) | Dist=825, logAgeNN=8.4 |
| Hunt & Reffert (2023) | AV50=1.026, diffAV50=0.982, MOD50=9.567, logAge50=8.035 |
| Cavallo et al. (2024) | AV50=1.32, dMod50=9.55, logAge50=7.88, [Fe/H]50=-0.37 |
| Hunt & Reffert (2024) | MassJ=47.1617, MassTot=145.819 |
| Alfonso et al. (2024) | AV=0.56012, MOD=9.62978, logAge=8.35445, Z=-0.1078 |
| Almeida et al. (2025) | AV=1.195, Dist=842, logAge=8.136, MassRk=197.2 |
Search coordinates in Bayestar19