UPK 381
Summary
UPK 381 is a poorly populated, loose 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) | 95.506 | 29.163 | – | 0.48 | -2.96 | – |
| Cantat-Gaudin et al. (2020) | 95.506 | 29.107 | 1.378 | 0.437 | -2.987 | – |
| Dias et al. (2021) | 95.448 | 29.18 | 1.346 | 0.437 | -2.997 | 5.646 |
| Tarricq et al. (2022) | 95.781 | 29.271 | 1.385 | 0.445 | -2.958 | – |
| He et al. (2022) | 95.248 | 29.528 | 1.4 | 0.423 | -2.969 | – |
| Hunt & Reffert (2023) | 95.27 | 29.517 | 1.382 | 0.384 | -2.936 | 2.477 |
| Cavallo et al. (2024) | 95.173 | 29.539 | 1.386 | – | – | – |
| Alfonso et al. (2024) | 95.351 | 29.18 | 1.346 | 0.434 | -2.947 | – |
| Almeida et al. (2025) | 95.448 | 29.18 | – | – | – | – |
| UCC | 95.417 | 29.205 | 1.393 | 0.434 | -2.953 | 4.718 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=708, log(age)=8.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.23, DistPc=712.0, AgeNN=8.46 |
| Dias et al. (2021) | Av=0.386, Dist=703, logage=8.563, [Fe/H]=0.1 |
| Tarricq et al. (2022) | Dist=699, logAgeNN=8.47 |
| He et al. (2022) | A0=0.7, logAge=8.3 |
| Hunt & Reffert (2023) | AV50=0.302, diffAV50=1.236, MOD50=9.15, logAge50=8.304 |
| Cavallo et al. (2024) | AV50=0.62, dMod50=9.23, logAge50=8.37, [Fe/H]50=0.08 |
| Alfonso et al. (2024) | AV=0.23005, MOD=9.25993, logAge=8.57948, Z=0.10005 |
| Almeida et al. (2025) | AV=0.386, Dist=703, logAge=8.563, MassRk=112.3 |
Search coordinates in Bayestar19