UPK 155
Summary
UPK 155 is a poorly populated, loose 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) | 311.706 | 60.901 | – | -2.24 | -3.86 | – |
| Cantat-Gaudin et al. (2020) | 311.731 | 60.867 | 1.096 | -2.255 | -3.856 | – |
| Dias et al. (2021) | 311.719 | 60.796 | 1.099 | -2.268 | -3.862 | – |
| Hunt & Reffert (2023) | 311.237 | 60.748 | 1.09 | -2.2 | -3.877 | -20.757 |
| Cavallo et al. (2024) | 311.623 | 60.883 | 1.091 | – | – | – |
| Hunt & Reffert (2024) | 311.237 | 60.748 | 1.09 | -2.2 | -3.877 | -20.757 |
| Alfonso et al. (2024) | 311.322 | 60.643 | 1.078 | -2.575 | -3.918 | – |
| Almeida et al. (2025) | 311.719 | 60.796 | – | – | – | – |
| UCC | 311.475 | 60.913 | 1.091 | -2.217 | -3.9 | -19.354 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=887, log(age)=7.55 |
| Cantat-Gaudin et al. (2020) | AVNN=0.69, DistPc=838.0, AgeNN=8.33 |
| Dias et al. (2021) | Av=1.17, Dist=875, logage=7.855, [Fe/H]=0.01 |
| Tarricq et al. (2022) | Dist=818, logAgeNN=8.36 |
| Hunt & Reffert (2023) | AV50=0.967, diffAV50=0.813, MOD50=9.676, logAge50=7.667 |
| Cavallo et al. (2024) | AV50=1.0, dMod50=9.81, logAge50=7.76, [Fe/H]50=0.3 |
| Hunt & Reffert (2024) | MassJ=50.5901, MassTot=92.9743 |
| Alfonso et al. (2024) | AV=0.69038, MOD=9.61937, logAge=8.35023, Z=0.01060 |
| Almeida et al. (2025) | AV=1.17, Dist=875, logAge=7.855, MassRk=69.0 |
Search coordinates in Bayestar19