UPK 312
Summary
UPK 312 is a poorly populated, very dense object of intermediate 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) | 68.002 | 56.103 | – | 0.2 | -0.73 | – |
| Cantat-Gaudin et al. (2020) | 68.037 | 56.066 | 1.406 | 0.179 | -0.73 | – |
| Dias et al. (2021) | 67.894 | 56.134 | 1.409 | 0.169 | -0.729 | – |
| Tarricq et al. (2022) | 67.936 | 56.032 | 1.452 | 0.13 | -0.806 | – |
| He et al. (2022) | 68.039 | 56.084 | 1.425 | 0.134 | -0.817 | – |
| Hunt & Reffert (2023) | 68.055 | 56.05 | 1.424 | 0.162 | -0.824 | -7.187 |
| Cavallo et al. (2024) | 67.961 | 56.033 | 1.421 | – | – | – |
| Hunt & Reffert (2024) | 68.055 | 56.05 | 1.424 | 0.162 | -0.824 | -7.187 |
| Alfonso et al. (2024) | 68.117 | 56.014 | 1.389 | 0.152 | -0.784 | – |
| Almeida et al. (2025) | 67.894 | 56.134 | – | – | – | – |
| UCC | 68.064 | 56.056 | 1.425 | 0.122 | -0.814 | -6.912 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=702, log(age)=8.9 |
| Cantat-Gaudin et al. (2020) | AVNN=0.54, DistPc=720.0, AgeNN=8.68 |
| Dias et al. (2021) | Av=0.886, Dist=681, logage=8.179, [Fe/H]=0.16 |
| Tarricq et al. (2022) | Dist=705, logAgeNN=8.71 |
| He et al. (2022) | A0=1.25, logAge=8.65 |
| Hunt & Reffert (2023) | AV50=0.961, diffAV50=1.323, MOD50=9.149, logAge50=8.094 |
| Cavallo et al. (2024) | AV50=0.87, dMod50=9.21, logAge50=8.49, [Fe/H]50=0.43 |
| Hunt & Reffert (2024) | MassJ=47.0945, MassTot=102.960 |
| Alfonso et al. (2024) | AV=0.54031, MOD=9.28969, logAge=8.87894, Z=0.16026 |
| Almeida et al. (2025) | AV=0.886, Dist=681, logAge=8.179, MassRk=45.6 |
Search coordinates in Bayestar19