CWNU 509
Summary
CWNU 509 is a poorly populated, very loose object of intermediate C3 quality. It is located at a close distance from the Sun, above the mid-plane. It was recently reported in the literature.
This object shares a moderate percentage of members with at least one entry reported in the same catalogue.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| He et al. (2022) | 133.892 | -25.954 | 1.05 | -6.47 | 2.71 | – |
| Hunt & Reffert (2023) | 133.968 | -25.541 | 1.037 | -6.406 | 2.763 | 10.398 |
| Cavallo et al. (2024) | 133.907 | -25.627 | 1.038 | – | – | – |
| Hu & Soubiran (2025) | 133.907 | -25.627 | – | – | – | – |
| UCC | 133.934 | -25.675 | 1.043 | -6.429 | 2.711 | 9.943 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| He et al. (2022) | AG=0.2, m-M=10.85, logAge=6.5, Z=0.002 |
| Hunt & Reffert (2023) | AV50=0.2, diffAV50=0.795, MOD50=9.844, logAge50=8.942 |
| Cavallo et al. (2024) | AV50=0.55, dMod50=9.83, logAge50=9.02, [Fe/H]50=0.07 |
| Hu & Soubiran (2025) | MA22=-0.24, MA23f=-0.17, MZ23=-0.1, MK24=-0.16, MF24=-0.06 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWNU 25 | 34.6 | 133.47 | -25.2 | 1.03 | -6.37 | 2.62 | 14.46 | 0.09 |
