UPK 178
Summary
UPK 178 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.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Sim et al. (2019) | 334.458 | 60.077 | – | -4.34 | -3.36 | – |
| Cantat-Gaudin et al. (2020) | 334.479 | 60.071 | 1.039 | -4.297 | -3.322 | – |
| Dias et al. (2021) | 334.438 | 60.084 | 1.04 | -4.314 | -3.372 | – |
| Tarricq et al. (2022) | 334.507 | 60.065 | 1.053 | -4.298 | -3.422 | – |
| He et al. (2022) | 334.433 | 60.079 | 1.042 | -4.294 | -3.421 | – |
| Hunt & Reffert (2023) | 334.45 | 60.08 | 1.048 | -4.288 | -3.394 | -20.199 |
| Cavallo et al. (2024) | 334.431 | 60.097 | 1.042 | – | – | – |
| Hunt & Reffert (2024) | 334.45 | 60.08 | 1.048 | -4.288 | -3.394 | -20.199 |
| Alfonso et al. (2024) | 334.479 | 60.071 | 1.015 | -4.274 | -3.413 | – |
| Almeida et al. (2025) | 334.438 | 60.084 | – | – | – | – |
| UCC | 334.469 | 60.086 | 1.045 | -4.279 | -3.386 | -24.756 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Sim et al. (2019) | d_pc=949, log(age)=8.5 |
| Cantat-Gaudin et al. (2020) | AVNN=1.8, DistPc=962.0, AgeNN=8.31 |
| Dias et al. (2021) | Av=2.326, Dist=910, logage=8.169, [Fe/H]=0.019 |
| Tarricq et al. (2022) | Dist=935, logAgeNN=8.35 |
| He et al. (2022) | A0=2.75, logAge=7.6 |
| Hunt & Reffert (2023) | AV50=2.422, diffAV50=1.303, MOD50=9.824, logAge50=8.098 |
| Cavallo et al. (2024) | AV50=2.49, dMod50=10.03, logAge50=8.04, [Fe/H]50=0.35 |
| Hunt & Reffert (2024) | MassJ=231.951, MassTot=241.468 |
| Alfonso et al. (2024) | AV=1.79987, MOD=9.91998, logAge=8.35215, Z=0.01899 |
| Almeida et al. (2025) | AV=2.326, Dist=910, logAge=8.169, MassRk=74.5 |
Search coordinates in Bayestar19