UBC 549
Summary
UBC 549 is a sparse, very loose object of intermediate C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is moderately studied in the literature.
This object shares a small percentage of members with at least one entry reported in the same catalogue.
Warning: contains less than 25 stars with P>0.5 estimated.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Castro-Ginard et al. (2020) | 252.154 | -46.94 | 0.313 | -0.803 | -1.928 | – |
| Cantat-Gaudin et al. (2020) | 252.156 | -46.965 | 0.311 | -0.807 | -1.925 | – |
| Dias et al. (2021) | 252.158 | -46.919 | 0.327 | -0.788 | -1.924 | – |
| Hunt & Reffert (2023) | 252.2 | -46.893 | 0.366 | -0.829 | -1.926 | -44.478 |
| Cavallo et al. (2024) | 252.196 | -46.894 | 0.364 | – | – | – |
| Hunt & Reffert (2024) | 252.2 | -46.893 | 0.366 | -0.829 | -1.926 | -44.478 |
| Almeida et al. (2025) | 252.158 | -46.919 | – | – | – | – |
| UCC | 252.16 | -46.947 | 0.344 | -0.804 | -1.923 | – |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Cantat-Gaudin et al. (2020) | AVNN=1.92, DistPc=2895.0, AgeNN=7.93 |
| Dias et al. (2021) | Av=2.424, Dist=3131, logage=6.851, [Fe/H]=0.454 |
| Hunt & Reffert (2023) | AV50=2.938, diffAV50=2.245, MOD50=12.016, logAge50=7.534 |
| Cavallo et al. (2024) | AV50=2.78, dMod50=11.56, logAge50=7.63, [Fe/H]50=-0.11 |
| Hunt & Reffert (2024) | MassJ=344.087, MassTot=344.087 |
| Almeida et al. (2025) | AV=2.424, Dist=3131, logAge=6.851, MassRk=614.1 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| UBC 547 | 12.0 | 251.66 | -47.09 | 0.34 | -0.75 | -1.98 | -15.92 | 0.27 |