UPK 40
Summary
UPK 40 is a poorly populated, loose object of high C3 quality. It is located at a close distance from the Sun, below the mid-plane. It is moderately studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Sim et al. (2019) | 292.637 | -6.608 | – | 0.29 | -9.13 | – |
| Cantat-Gaudin et al. (2020) | 292.631 | -6.882 | 1.522 | 0.294 | -9.12 | – |
| Dias et al. (2021) | 292.562 | -6.614 | 1.521 | 0.311 | -9.129 | – |
| Tarricq et al. (2022) | 292.828 | -7.074 | 1.527 | 0.273 | -9.075 | – |
| Hunt & Reffert (2023) | 292.591 | -7.201 | 1.539 | 0.336 | -9.235 | -0.66 |
| Cavallo et al. (2024) | 292.422 | -7.201 | 1.547 | – | – | – |
| Alfonso et al. (2024) | 292.76 | -6.637 | 1.454 | 0.295 | -9.17 | – |
| Almeida et al. (2025) | 292.562 | -6.614 | – | – | – | – |
| UCC | 292.62 | -6.924 | 1.518 | 0.345 | -9.093 | -0.503 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=641, log(age)=8.75 |
| Cantat-Gaudin et al. (2020) | AVNN=0.69, DistPc=666.0, AgeNN=8.73 |
| Dias et al. (2021) | Av=1.187, Dist=645, logage=8.295, [Fe/H]=0.093 |
| Tarricq et al. (2022) | Dist=654, logAgeNN=8.74 |
| Hunt & Reffert (2023) | AV50=1.083, diffAV50=0.382, MOD50=8.98, logAge50=8.22 |
| Cavallo et al. (2024) | AV50=0.94, dMod50=8.98, logAge50=8.25, [Fe/H]50=0.56 |
| Alfonso et al. (2024) | AV=0.69019, MOD=9.11977, logAge=8.70611, Z=0.09322 |
| Almeida et al. (2025) | AV=1.187, Dist=645, logAge=8.295, MassRk=54.6 |
Search coordinates in Bayestar19