UPK 5
Summary
UPK 5 is a moderately populated, very dense object of high 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) | 273.311 | -18.274 | – | 0.74 | -8.38 | – |
| Cantat-Gaudin et al. (2020) | 273.304 | -18.308 | 1.786 | 0.659 | -8.387 | – |
| Dias et al. (2021) | 273.323 | -18.299 | 1.773 | 0.654 | -8.374 | 7.814 |
| Tarricq et al. (2022) | 273.279 | -18.248 | 1.768 | 0.684 | -8.449 | – |
| Hunt & Reffert (2023) | 273.21 | -18.326 | 1.764 | 0.682 | -8.447 | -3.455 |
| Cavallo et al. (2024) | 273.173 | -18.499 | 1.764 | – | – | – |
| Hunt & Reffert (2024) | 273.21 | -18.326 | 1.764 | 0.682 | -8.447 | -3.455 |
| Alfonso et al. (2024) | 273.206 | -18.371 | 1.731 | 0.679 | -8.464 | – |
| Almeida et al. (2025) | 273.323 | -18.299 | – | – | – | – |
| UCC | 273.246 | -18.358 | 1.771 | 0.671 | -8.437 | -6.368 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=550, log(age)=8.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.27, DistPc=587.0, AgeNN=8.29 |
| Dias et al. (2021) | Av=0.735, Dist=549, logage=7.976, [Fe/H]=0.024 |
| Tarricq et al. (2022) | Dist=579, logAgeNN=8.3 |
| Hunt & Reffert (2023) | AV50=0.632, diffAV50=0.939, MOD50=8.626, logAge50=7.917 |
| Cavallo et al. (2024) | AV50=1.33, dMod50=8.68, logAge50=7.79, [Fe/H]50=-0.28 |
| Hunt & Reffert (2024) | MassJ=145.945, MassTot=293.477 |
| Alfonso et al. (2024) | AV=0.27072, MOD=8.83930, logAge=8.35070, Z=0.02453 |
| Almeida et al. (2025) | AV=0.735, Dist=549, logAge=7.976, MassRk=155.7 |
Search coordinates in Bayestar19