UPK 23
Summary
UPK 23 is a poorly populated, moderately dense object of high C3 quality. It is located at a close distance from the Sun, below the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Sim et al. (2019) | 282.21 | -12.885 | – | -0.9 | -2.08 | – |
| Cantat-Gaudin et al. (2020) | 282.218 | -12.879 | 1.021 | -0.913 | -2.127 | – |
| Dias et al. (2021) | 282.224 | -12.868 | 1.009 | -0.918 | -2.094 | – |
| Hunt & Reffert (2023) | 282.2 | -12.883 | 0.979 | -0.972 | -2.169 | -16.227 |
| Cavallo et al. (2024) | 282.221 | -12.87 | 0.984 | – | – | – |
| Hunt & Reffert (2024) | 282.2 | -12.883 | 0.979 | -0.972 | -2.169 | -16.227 |
| Alfonso et al. (2024) | 282.186 | -12.854 | 0.946 | -0.93 | -2.134 | – |
| Almeida et al. (2025) | 282.224 | -12.868 | – | – | – | – |
| UCC | 282.175 | -12.904 | 1.004 | -0.941 | -2.13 | 8.437 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=952, log(age)=8.55 |
| Cantat-Gaudin et al. (2020) | AVNN=1.11, DistPc=972.0, AgeNN=8.04 |
| Dias et al. (2021) | Av=1.526, Dist=951, logage=7.468, [Fe/H]=0.251 |
| Tarricq et al. (2022) | Dist=950, logAgeNN=8.07 |
| Hunt & Reffert (2023) | AV50=1.345, diffAV50=1.03, MOD50=9.87, logAge50=8.191 |
| Cavallo et al. (2024) | AV50=1.04, dMod50=10.02, logAge50=8.43, [Fe/H]50=0.58 |
| Hunt & Reffert (2024) | MassJ=120.533, MassTot=168.223 |
| Alfonso et al. (2024) | AV=1.10981, MOD=9.94005, logAge=8.26151, Z=0.25094 |
| Almeida et al. (2025) | AV=1.526, Dist=951, logAge=7.468, MassRk=82.7 |
Search coordinates in Bayestar19