UPK 431
Summary
UPK 431 is a moderately populated, dense object of high 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) | 108.186 | -2.721 | – | -2.44 | 0.77 | – |
| Cantat-Gaudin et al. (2020) | 108.234 | -2.635 | 1.346 | -2.46 | 0.76 | – |
| Dias et al. (2021) | 108.283 | -2.761 | 1.342 | -2.457 | 0.749 | 17.737 |
| Tarricq et al. (2022) | 108.143 | -2.608 | 1.362 | -2.43 | 0.775 | – |
| He et al. (2022) | 108.179 | -2.599 | 1.366 | -2.457 | 0.787 | – |
| Hunt & Reffert (2023) | 108.14 | -2.567 | 1.348 | -2.457 | 0.771 | 7.595 |
| Cavallo et al. (2024) | 108.167 | -2.726 | 1.356 | – | – | – |
| Hunt & Reffert (2024) | 108.14 | -2.567 | 1.348 | -2.457 | 0.771 | 7.595 |
| Alfonso et al. (2024) | 108.232 | -2.505 | 1.319 | -2.431 | 0.709 | – |
| Almeida et al. (2025) | 108.283 | -2.761 | – | – | – | – |
| UCC | 108.165 | -2.61 | 1.363 | -2.485 | 0.758 | 11.653 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=729, log(age)=8.7 |
| Cantat-Gaudin et al. (2020) | AVNN=0.0, DistPc=765.0, AgeNN=8.78 |
| Dias et al. (2021) | Av=0.253, Dist=728, logage=8.368, [Fe/H]=-0.073 |
| Tarricq et al. (2022) | Dist=750, logAgeNN=8.79 |
| He et al. (2022) | A0=0.3, logAge=8.25 |
| Hunt & Reffert (2023) | AV50=0.139, diffAV50=0.603, MOD50=9.182, logAge50=8.629 |
| Cavallo et al. (2024) | AV50=0.22, dMod50=9.26, logAge50=8.22, [Fe/H]50=0.06 |
| Hunt & Reffert (2024) | MassJ=136.133, MassTot=186.755 |
| Alfonso et al. (2024) | AV=0.00362, MOD=9.34935, logAge=8.77330, Z=-0.0703 |
| Almeida et al. (2025) | AV=0.253, Dist=728, logAge=8.368, MassRk=166.2 |
Search coordinates in Bayestar19