CWNU 318
0.48
UTI
0.3
CN
1.0
Cdens
0.5
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
3.4 [arcmin]
- CN 0.3 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.5 Intermediate quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 318 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly studied in the literature.
Relatively close
Moderate extinction
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 219.142 | -61.909 | 0.516 | -2.759 | -1.132 | -6.037 |
| Hu & Soubiran | 2025 | 219.155 | -61.918 | â | â | â | â |
| Hunt & Reffert | 2024 | 219.088 | -61.912 | 0.51 | -2.779 | -1.136 | 4.339 |
| Cavallo et al. | 2024 | 219.155 | -61.918 | 0.51 | â | â | â |
| Hunt & Reffert | 2023 | 219.088 | -61.912 | 0.51 | -2.779 | -1.136 | 4.339 |
| He et al. | 2022 | 219.141 | -61.902 | 0.52 | -2.76 | -1.15 | -7.2 |
đĄ Note: The UCC values are estimated from its identified members.
| Reference | Year | Dist [kpc] | Av [mag] | DAv [mag] | Age [Myr] | [Fe/H] [dex] | Mass [Msun] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| Hu & Soubiran | 2025 | â | â | â | â | -0.180* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 197* | â | â |
| Cavallo et al. | 2024 | 1.61 | 1.44 | â | 575 | -0.020 | â | â | â |
| Hunt & Reffert | 2023 | 1.83 | 1.50 | 0.47 | 342 | â | â | â | â |
| He et al. | 2022 | 2.19 | 1.50 | â | 794 | 0.169 | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.