UPK 38
Summary
UPK 38 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) | 280.843 | -1.654 | – | -1.11 | -5.27 | – |
| Cantat-Gaudin et al. (2020) | 280.829 | -1.654 | 1.675 | -1.102 | -5.202 | – |
| Dias et al. (2021) | 280.83 | -1.653 | 1.65 | -1.088 | -5.243 | – |
| He et al. (2022) | 280.839 | -1.647 | 1.706 | -1.073 | -5.333 | – |
| Hunt & Reffert (2023) | 280.82 | -1.643 | 1.665 | -1.173 | -5.377 | -7.026 |
| Cavallo et al. (2024) | 280.789 | -1.605 | 1.687 | – | – | – |
| Celli et al. (2024) | 280.829 | -1.654 | – | – | – | – |
| Alfonso et al. (2024) | 281.488 | -2.085 | 1.54 | 0.024 | -5.987 | – |
| Almeida et al. (2025) | 280.83 | -1.653 | – | – | – | – |
| UCC | 280.827 | -1.639 | 1.697 | -1.091 | -5.254 | -9.812 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=572, log(age)=6.45 |
| Cantat-Gaudin et al. (2020) | AVNN=2.09, DistPc=601.0, AgeNN=7.16 |
| Dias et al. (2021) | Av=2.203, Dist=589, logage=7.084, [Fe/H]=-0.025 |
| He et al. (2022) | A0=2.35, logAge=6.75 |
| Hunt & Reffert (2023) | AV50=1.939, diffAV50=1.822, MOD50=8.723, logAge50=6.638 |
| Cavallo et al. (2024) | AV50=2.42, dMod50=9.1, logAge50=6.63, [Fe/H]50=-0.03 |
| Celli et al. (2024) | Age=14.5, Mc=57.7 |
| Alfonso et al. (2024) | AV=2.08838, MOD=8.89809, logAge=7.15118, Z=-0.0250 |
| Almeida et al. (2025) | AV=2.203, Dist=589, logAge=7.084, MassRk=94.3 |
Search coordinates in Bayestar19