UPK 169
Summary
UPK 169 is a moderately populated, very 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) | 326.749 | 59.848 | – | -1.95 | -2.36 | – |
| Cantat-Gaudin et al. (2020) | 326.718 | 59.915 | 1.155 | -2.004 | -2.4 | – |
| Dias et al. (2021) | 326.752 | 59.796 | 1.158 | -2.009 | -2.378 | – |
| He et al. (2022) | 326.758 | 59.754 | 1.169 | -1.956 | -2.535 | – |
| Hunt & Reffert (2023) | 326.741 | 59.722 | 1.154 | -2.001 | -2.518 | -15.695 |
| Cavallo et al. (2024) | 326.596 | 59.871 | 1.173 | – | – | – |
| Celli et al. (2024) | 326.718 | 59.915 | – | – | – | – |
| Hunt & Reffert (2024) | 326.741 | 59.722 | 1.154 | -2.001 | -2.518 | -15.695 |
| Alfonso et al. (2024) | 326.695 | 59.77 | 1.142 | -1.981 | -2.507 | – |
| Almeida et al. (2025) | 326.752 | 59.796 | – | – | – | – |
| UCC | 326.698 | 59.778 | 1.169 | -1.997 | -2.464 | -14.553 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=842, log(age)=7.1 |
| Cantat-Gaudin et al. (2020) | AVNN=1.47, DistPc=904.0, AgeNN=7.14 |
| Dias et al. (2021) | Av=1.782, Dist=822, logage=7.08, [Fe/H]=-0.024 |
| He et al. (2022) | A0=2.4, logAge=6.95 |
| Hunt & Reffert (2023) | AV50=2.523, diffAV50=2.489, MOD50=9.57, logAge50=6.848 |
| Cavallo et al. (2024) | AV50=2.23, dMod50=9.82, logAge50=7.04, [Fe/H]50=0.6 |
| Celli et al. (2024) | Age=13.8, Mc=255.1 |
| Hunt & Reffert (2024) | MassJ=319.008, MassTot=365.388 |
| Alfonso et al. (2024) | AV=1.46995, MOD=9.77996, logAge=7.05420, Z=-0.0240 |
| Almeida et al. (2025) | AV=1.782, Dist=822, logAge=7.08, MassRk=105.0 |
Search coordinates in Bayestar19