CWNU 2205
0.32
UTI
0.0
CN
0.24
Cdens
0.75
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
4.8 [arcmin]
- CN 0.0 Sparse
- Cdens 0.24 Very loose
- CC3 0.75 High quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2205 is a sparse, very loose object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It was recently reported in the literature.
Relatively close
Low 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 | 118.366 | -18.336 | 0.312 | -2.42 | 2.422 | 74.155 |
| Hu & Soubiran | 2025 | 118.378 | -18.336 | â | â | â | â |
| Hunt & Reffert | 2024 | 118.38 | -18.346 | 0.311 | -2.404 | 2.419 | 74.167 |
| Cavallo et al. | 2024 | 118.378 | -18.336 | 0.314 | â | â | â |
| Hunt & Reffert | 2023 | 118.38 | -18.346 | 0.311 | -2.404 | 2.419 | 74.167 |
| He et al. | 2023 | 118.378 | -18.347 | 0.318 | -2.406 | 2.414 | 74.15 |
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 | -0.160* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 99* | â | â |
| Cavallo et al. | 2024 | 2.42 | 0.04 | â | 676 | 0.220 | â | â | â |
| Hunt & Reffert | 2023 | 2.83 | 0.15 | 0.20 | 684 | â | â | â | â |
| He et al. | 2023 | 2.95 | 0.55 | â | 355 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.