UBC 203
Summary
UBC 203 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is moderately studied in the literature.
This object shares a large percentage of members with 2 later reported entries.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Castro-Ginard et al. (2020) | 97.789 | 15.063 | 0.259 | -0.131 | -1.096 | – |
| Cantat-Gaudin et al. (2020) | 97.793 | 15.059 | 0.256 | -0.122 | -1.105 | – |
| Hunt & Reffert (2023) | 97.811 | 15.064 | 0.321 | -0.148 | -1.068 | 47.49 |
| Cavallo et al. (2024) | 97.782 | 15.068 | 0.319 | – | – | – |
| Hunt & Reffert (2024) | 97.811 | 15.064 | 0.321 | -0.148 | -1.068 | 47.49 |
| Hu & Soubiran (2025) | 97.782 | 15.068 | – | – | – | – |
| UCC | 97.785 | 15.059 | 0.308 | -0.158 | -1.085 | 45.03 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Cantat-Gaudin et al. (2020) | AVNN=1.21, DistPc=3092.0, AgeNN=9.04 |
| Hunt & Reffert (2023) | AV50=1.656, diffAV50=2.031, MOD50=12.194, logAge50=8.758 |
| Cavallo et al. (2024) | AV50=2.02, dMod50=12.36, logAge50=8.73, [Fe/H]50=0.0 |
| Hunt & Reffert (2024) | MassJ=903.948, MassTot=960.237 |
| Hu & Soubiran (2025) | MA22=-0.12, MA23f=-0.42, MA23g=-0.48, MZ23=-0.26, MK24=-0.36, MF24=-0.33 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWWDL 2661 | 94.6 | 97.79 | 15.07 | 0.31 | -0.17 | -1.07 | 46.56 | 0.1 |
| OC 0326 | 45.0 | 97.79 | 15.06 | 0.32 | -0.17 | -1.09 | 43.8 | 0.0 |
