UPK 305
(OCSN 303)
Summary
UPK 305 is a sparse, loose object of intermediate C3 quality. It is located at a very close distance from the Sun, below the mid-plane. It is well-studied in the literature.
Warning: contains less than 25 stars with P>0.5 estimated.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Sim et al. (2019) | 40.486 | 38.974 | – | 2.96 | -6.5 | – |
| Cantat-Gaudin et al. (2020) | 41.127 | 39.027 | 2.391 | 2.979 | -6.525 | – |
| Dias et al. (2021) | 41.051 | 38.922 | 2.406 | 2.94 | -6.569 | 4.197 |
| Tarricq et al. (2022) | 41.006 | 38.926 | 2.444 | 2.841 | -6.55 | – |
| He et al. (2022) | 40.935 | 38.839 | 2.463 | 2.893 | -6.575 | – |
| Qin et al. (2023) | 40.79 | 38.82 | 2.45 | 2.92 | -6.58 | 1.93 |
| Hunt & Reffert (2023) | 41.16 | 38.893 | 2.423 | 2.845 | -6.589 | 1.424 |
| Cavallo et al. (2024) | 40.826 | 38.718 | 2.45 | – | – | – |
| Alfonso et al. (2024) | 41.024 | 38.822 | 2.415 | 2.869 | -6.605 | – |
| Almeida et al. (2025) | 41.051 | 38.922 | – | – | – | – |
| UCC | 40.433 | 38.926 | 2.458 | 2.893 | -6.571 | -0.166 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=411, log(age)=7.95 |
| Cantat-Gaudin et al. (2020) | AVNN=0.12, DistPc=408.0, AgeNN=8.15 |
| Dias et al. (2021) | Av=0.154, Dist=415, logage=8.866, [Fe/H]=-0.018 |
| Tarricq et al. (2022) | Dist=404, logAgeNN=8.18 |
| He et al. (2022) | A0=0.25, logAge=7.8 |
| Qin et al. (2023) | E(B-V)=0.12, m-M=8.37, logt=7.85 |
| Hunt & Reffert (2023) | AV50=0.169, diffAV50=0.388, MOD50=7.937, logAge50=8.338 |
| Cavallo et al. (2024) | AV50=0.4, dMod50=8.08, logAge50=7.9, [Fe/H]50=0.18 |
| Alfonso et al. (2024) | AV=0.12004, MOD=8.05992, logAge=7.89965, Z=-0.0179 |
| Almeida et al. (2025) | AV=0.154, Dist=415, logAge=8.866, MassRk=84.7 |
Search coordinates in Bayestar19