UBC 157
Summary
UBC 157 is a moderately populated, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, below 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 |
|---|---|---|---|---|---|---|
| Castro-Ginard et al. (2020) | 328.721 | 49.743 | 0.82 | 2.13 | -0.306 | – |
| Cantat-Gaudin et al. (2020) | 328.682 | 49.748 | 0.82 | 2.123 | -0.296 | – |
| Dias et al. (2021) | 328.752 | 49.711 | 0.834 | 2.115 | -0.32 | – |
| Tarricq et al. (2022) | 328.724 | 49.764 | 0.829 | 1.993 | -0.382 | – |
| He et al. (2022) | 328.759 | 49.71 | 0.838 | 2.069 | -0.3 | – |
| Hunt & Reffert (2023) | 328.789 | 49.683 | 0.841 | 2.099 | -0.292 | -20.752 |
| Cavallo et al. (2024) | 328.879 | 49.73 | 0.841 | – | – | – |
| Hunt & Reffert (2024) | 328.789 | 49.683 | 0.841 | 2.099 | -0.292 | -20.752 |
| Almeida et al. (2025) | 328.752 | 49.711 | – | – | – | – |
| Hu & Soubiran (2025) | 328.879 | 49.73 | – | – | – | – |
| UCC | 328.742 | 49.725 | 0.834 | 2.078 | -0.299 | -17.069 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Cantat-Gaudin et al. (2020) | AVNN=0.71, DistPc=1151.0, AgeNN=8.25 |
| Dias et al. (2021) | Av=0.967, Dist=1190, logage=8.092, [Fe/H]=0.063 |
| Tarricq et al. (2022) | Dist=1117, logAgeNN=8.27 |
| He et al. (2022) | A0=0.95, logAge=7.7 |
| Hunt & Reffert (2023) | AV50=0.597, diffAV50=0.838, MOD50=10.304, logAge50=8.521 |
| Cavallo et al. (2024) | AV50=0.73, dMod50=10.33, logAge50=8.82, [Fe/H]50=0.07 |
| Hunt & Reffert (2024) | MassJ=275.285, MassTot=351.560 |
| Almeida et al. (2025) | AV=0.967, Dist=1190, logAge=8.092, MassRk=220.5 |
| Hu & Soubiran (2025) | MA22=-0.12, MA23f=-0.17, MZ23=-0.1, MK24=-0.11, MF24=-0.08 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWWDL 14119 | 91.2 | 328.77 | 49.73 | 0.84 | 2.07 | -0.29 | -17.07 | 0.04 |
