UPK 578
Summary
UPK 578 is a moderately populated, very dense object of high C3 quality. It is located at a close distance from the Sun, above the mid-plane. It is well-studied in the literature.
This object shares a large percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Sim et al. (2019) | 192.93 | -57.382 | – | -12.93 | -4.67 | – |
| Cantat-Gaudin et al. (2020) | 192.965 | -57.367 | 1.045 | -12.913 | -4.654 | – |
| Dias et al. (2021) | 192.909 | -57.402 | 1.05 | -12.916 | -4.635 | -1.257 |
| Tarricq et al. (2022) | 193.027 | -57.367 | 1.048 | -12.964 | -4.588 | – |
| He et al. (2022) | 192.999 | -57.373 | 1.055 | -12.961 | -4.609 | – |
| Hunt & Reffert (2023) | 193.001 | -57.374 | 1.06 | -12.948 | -4.575 | -3.248 |
| Cavallo et al. (2024) | 192.902 | -57.396 | 1.061 | – | – | – |
| Hunt & Reffert (2024) | 193.001 | -57.374 | 1.06 | -12.948 | -4.575 | -3.248 |
| Alfonso et al. (2024) | 193.03 | -57.369 | 1.016 | -12.961 | -4.609 | – |
| Almeida et al. (2025) | 192.909 | -57.402 | – | – | – | – |
| Hu & Soubiran (2025) | 192.902 | -57.396 | – | – | – | – |
| UCC | 192.967 | -57.372 | 1.063 | -12.957 | -4.569 | -2.684 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=942, log(age)=8.85 |
| Cantat-Gaudin et al. (2020) | AVNN=0.7, DistPc=956.0, AgeNN=8.94 |
| Dias et al. (2021) | Av=0.728, Dist=909, logage=8.927, [Fe/H]=0.145 |
| Tarricq et al. (2022) | Dist=933, logAgeNN=8.94 |
| He et al. (2022) | A0=1.3, logAge=8.7 |
| Hunt & Reffert (2023) | AV50=0.726, diffAV50=0.569, MOD50=9.765, logAge50=8.742 |
| Cavallo et al. (2024) | AV50=0.84, dMod50=9.8, logAge50=8.89, [Fe/H]50=0.27 |
| Hunt & Reffert (2024) | MassJ=116.432, MassTot=160.370 |
| Alfonso et al. (2024) | AV=0.69938, MOD=9.90014, logAge=8.86484, Z=0.14476 |
| Almeida et al. (2025) | AV=0.728, Dist=909, logAge=8.927, MassRk=107.2 |
| Hu & Soubiran (2025) | MA22=-0.16, MA23f=-0.08, MZ23=-0.1, MK24=-0.08, MF24=-0.12 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWWDL 14466 | 96.9 | 192.97 | -57.37 | 1.06 | -12.96 | -4.57 | -2.68 | 0.01 |