UPK 66
Summary
UPK 66 is a moderately populated, very 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) | 305.337 | 13.478 | – | 0.51 | -9.93 | – |
| Cantat-Gaudin et al. (2020) | 305.39 | 13.509 | 1.459 | 0.496 | -9.95 | – |
| Dias et al. (2021) | 305.392 | 13.464 | 1.463 | 0.481 | -9.962 | -7.154 |
| Tarricq et al. (2022) | 305.335 | 13.423 | 1.468 | 0.466 | -10.011 | – |
| He et al. (2022) | 305.468 | 13.499 | 1.499 | 0.43 | -10.005 | – |
| Hunt & Reffert (2023) | 305.283 | 13.343 | 1.472 | 0.428 | -10.053 | -5.494 |
| Cavallo et al. (2024) | 305.375 | 13.332 | 1.48 | – | – | – |
| Hunt & Reffert (2024) | 305.283 | 13.343 | 1.472 | 0.428 | -10.053 | -5.494 |
| Alfonso et al. (2024) | 305.416 | 13.453 | 1.447 | 0.44 | -10.004 | – |
| Almeida et al. (2025) | 305.392 | 13.464 | – | – | – | – |
| UCC | 305.356 | 13.447 | 1.471 | 0.453 | -10.003 | -7.024 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=669, log(age)=8.1 |
| Cantat-Gaudin et al. (2020) | AVNN=0.26, DistPc=666.0, AgeNN=8.17 |
| Dias et al. (2021) | Av=0.264, Dist=667, logage=8.262, [Fe/H]=-0.012 |
| Tarricq et al. (2022) | Dist=649, logAgeNN=8.19 |
| He et al. (2022) | A0=0.65, logAge=8.1 |
| Hunt & Reffert (2023) | AV50=0.154, diffAV50=0.503, MOD50=9.05, logAge50=8.372 |
| Cavallo et al. (2024) | AV50=0.56, dMod50=9.16, logAge50=8.03, [Fe/H]50=0.13 |
| Hunt & Reffert (2024) | MassJ=98.1251, MassTot=190.648 |
| Alfonso et al. (2024) | AV=0.25965, MOD=9.12010, logAge=8.14060, Z=-0.0121 |
| Almeida et al. (2025) | AV=0.264, Dist=667, logAge=8.262, MassRk=80.9 |
Search coordinates in Bayestar19