UPK 7
Summary
UPK 7 is a moderately populated, very dense object of high C3 quality. It is located at a close distance from the Sun, near the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Sim et al. (2019) | 276.772 | -17.371 | – | -0.28 | -5.87 | – |
| Cantat-Gaudin et al. (2020) | 276.781 | -17.401 | 1.26 | -0.294 | -5.865 | – |
| Dias et al. (2021) | 276.769 | -17.36 | 1.254 | -0.272 | -5.847 | -1.937 |
| Tarricq et al. (2022) | 276.761 | -17.397 | 1.255 | -0.382 | -5.771 | – |
| He et al. (2022) | 276.788 | -17.37 | 1.263 | -0.339 | -5.783 | – |
| Hunt & Reffert (2023) | 276.801 | -17.346 | 1.251 | -0.344 | -5.841 | -6.537 |
| Cavallo et al. (2024) | 276.789 | -17.327 | 1.25 | – | – | – |
| Hunt & Reffert (2024) | 276.801 | -17.346 | 1.251 | -0.344 | -5.841 | -6.537 |
| Alfonso et al. (2024) | 276.795 | -17.335 | 1.198 | -0.32 | -5.747 | – |
| Almeida et al. (2025) | 276.769 | -17.36 | – | – | – | – |
| Hu & Soubiran (2025) | 276.789 | -17.327 | – | – | – | – |
| UCC | 276.791 | -17.336 | 1.243 | -0.338 | -5.849 | -6.315 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=769, log(age)=8.4 |
| Cantat-Gaudin et al. (2020) | AVNN=0.89, DistPc=782.0, AgeNN=8.46 |
| Dias et al. (2021) | Av=1.066, Dist=768, logage=8.106, [Fe/H]=0.084 |
| Tarricq et al. (2022) | Dist=765, logAgeNN=8.48 |
| He et al. (2022) | A0=1.45, logAge=8.45 |
| Hunt & Reffert (2023) | AV50=1.141, diffAV50=1.025, MOD50=9.398, logAge50=8.009 |
| Cavallo et al. (2024) | AV50=1.0, dMod50=9.18, logAge50=8.72, [Fe/H]50=-0.18 |
| Hunt & Reffert (2024) | MassJ=175.845, MassTot=209.788 |
| Alfonso et al. (2024) | AV=0.88962, MOD=9.47021, logAge=8.35247, Z=0.08383 |
| Almeida et al. (2025) | AV=1.066, Dist=768, logAge=8.106, MassRk=75.3 |
| Hu & Soubiran (2025) | MA22=-0.2, MA23f=-0.15, MZ23=-0.02, MK24=-0.1, MF24=-0.19 |
Search coordinates in Bayestar19