UBC 638
Summary
UBC 638 is a poorly populated, very dense object of intermediate C3 quality. It is located at a large distance from the Sun, well above the mid-plane. It is poorly studied in the literature.
This object shares a large percentage of members with at least one entry reported in the same catalogue.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Castro-Ginard et al. (2020) | 123.759 | -22.224 | 0.09 | -2.128 | 1.993 | – |
| Cantat-Gaudin et al. (2020) | 123.753 | -22.201 | 0.088 | -2.116 | 2.002 | – |
| Dias et al. (2021) | 123.758 | -22.211 | 0.136 | -2.119 | 2.017 | – |
| Almeida et al. (2025) | 123.758 | -22.211 | – | – | – | – |
| UCC | 123.752 | -22.195 | 0.151 | -2.1 | 2.065 | 99.131 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Cantat-Gaudin et al. (2020) | AVNN=0.55, DistPc=6167.0, AgeNN=9.2 |
| Dias et al. (2021) | Av=0.522, Dist=5363, logage=9.327, [Fe/H]=-0.491 |
| Almeida et al. (2025) | AV=0.522, Dist=5363, logAge=9.327, MassRk=517.6 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| UBC 637 | 100.0 | 123.75 | -22.2 | 0.18 | -2.11 | 2.05 | 99.73 | 0.8 |
