UPK 617
Summary
UPK 617 is a moderately populated, very dense object of very 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) | 234.813 | -55.386 | – | -2.71 | -5.3 | – |
| Cantat-Gaudin et al. (2020) | 234.809 | -55.394 | 1.36 | -2.736 | -5.314 | – |
| Dias et al. (2021) | 234.778 | -55.39 | 1.353 | -2.753 | -5.302 | -34.513 |
| Tarricq et al. (2022) | 234.852 | -55.323 | 1.359 | -2.799 | -5.284 | – |
| He et al. (2022) | 234.833 | -55.376 | 1.365 | -2.787 | -5.271 | – |
| Hunt & Reffert (2023) | 234.832 | -55.373 | 1.368 | -2.807 | -5.276 | -32.154 |
| Cavallo et al. (2024) | 234.803 | -55.409 | 1.364 | – | – | – |
| Hunt & Reffert (2024) | 234.832 | -55.373 | 1.368 | -2.807 | -5.276 | -32.154 |
| Alfonso et al. (2024) | 234.816 | -55.383 | 1.327 | -2.797 | -5.289 | – |
| Almeida et al. (2025) | 234.778 | -55.39 | – | – | – | – |
| UCC | 234.815 | -55.394 | 1.367 | -2.799 | -5.284 | -32.808 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=723, log(age)=7.9 |
| Cantat-Gaudin et al. (2020) | AVNN=0.46, DistPc=714.0, AgeNN=7.85 |
| Dias et al. (2021) | Av=0.667, Dist=716, logage=8.137, [Fe/H]=0.033 |
| Tarricq et al. (2022) | Dist=702, logAgeNN=7.86 |
| He et al. (2022) | A0=0.8, logAge=7.9 |
| Hunt & Reffert (2023) | AV50=0.439, diffAV50=0.508, MOD50=9.237, logAge50=7.991 |
| Cavallo et al. (2024) | AV50=0.49, dMod50=9.24, logAge50=8.63, [Fe/H]50=0.32 |
| Hunt & Reffert (2024) | MassJ=168.748, MassTot=170.811 |
| Alfonso et al. (2024) | AV=0.45994, MOD=9.26986, logAge=7.99423, Z=0.03307 |
| Almeida et al. (2025) | AV=0.667, Dist=716, logAge=8.137, MassRk=192.4 |
Search coordinates in Bayestar19