UBC 281
Summary
UBC 281 is a poorly populated, very dense object of high C3 quality. It is located at a moderate distance from the Sun, below 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) | 178.126 | -64.579 | 0.366 | -5.619 | 0.203 | – |
| Cantat-Gaudin et al. (2020) | 178.121 | -64.593 | 0.365 | -5.587 | 0.208 | – |
| Dias et al. (2021) | 178.12 | -64.572 | 0.364 | -5.616 | 0.208 | – |
| Hunt & Reffert (2023) | 178.107 | -64.6 | 0.411 | -5.599 | 0.258 | -15.486 |
| Cavallo et al. (2024) | 178.149 | -64.571 | 0.412 | – | – | – |
| Hunt & Reffert (2024) | 178.107 | -64.6 | 0.411 | -5.599 | 0.258 | -15.486 |
| Almeida et al. (2025) | 178.12 | -64.572 | – | – | – | – |
| UCC | 178.179 | -64.599 | 0.406 | -5.597 | 0.26 | -29.693 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Cantat-Gaudin et al. (2020) | AVNN=0.95, DistPc=2417.0, AgeNN=7.54 |
| Dias et al. (2021) | Av=0.904, Dist=2552, logage=7.473, [Fe/H]=0.52 |
| Hunt & Reffert (2023) | AV50=0.87, diffAV50=1.547, MOD50=11.695, logAge50=7.678 |
| Cavallo et al. (2024) | AV50=0.85, dMod50=11.41, logAge50=8.04, [Fe/H]50=0.02 |
| Hunt & Reffert (2024) | MassJ=559.337, MassTot=722.515 |
| Almeida et al. (2025) | AV=0.904, Dist=2552, logAge=7.473, MassRk=340.0 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWWDL 532 | 79.6 | 178.1 | -64.6 | 0.42 | -5.6 | 0.29 | -24.15 | 0.14 |
| OC 0575 | 65.3 | 178.1 | -64.6 | 0.41 | -5.6 | 0.29 | -26.92 | 0.17 |
