CWNU 226
0.29
UTI
0.0
CN
0.22
Cdens
0.5
CC3
0.38
Clit
1.0
Cdup
Radius (P>50% members)
10.1 [arcmin]
- CN 0.0 Sparse
- Cdens 0.22 Very loose
- CC3 0.5 Intermediate quality
- Clit 0.38 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 226 is a sparse, very loose object of intermediate C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, old cluster (see Parameters). It is poorly studied in the literature.
Relatively close
Low extinction
Near-solar metallicity
Old
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 111.263 | -4.931 | 0.639 | -3.822 | 0.477 | 38.289 |
| Hu & Soubiran | 2025 | 111.252 | -4.936 | â | â | â | â |
| Zhang et al. | 2024 | 111.241 | -4.921 | â | â | â | â |
| Hunt & Reffert | 2024 | 111.241 | -4.921 | 0.635 | -3.851 | 0.432 | 37.902 |
| Cavallo et al. | 2024 | 111.252 | -4.935 | 0.635 | â | â | â |
| Hunt & Reffert | 2023 | 111.241 | -4.921 | 0.635 | -3.851 | 0.432 | 37.902 |
| He et al. | 2022 | 111.248 | -4.915 | 0.63 | -3.85 | 0.48 | 42.7 |
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 | -0.100* | â | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.339* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 88* | â | â |
| Cavallo et al. | 2024 | 1.41 | 0.32 | â | 1000 | -0.080 | â | â | â |
| Hunt & Reffert | 2023 | 1.47 | 0.23 | 1.36 | 787 | â | â | â | â |
| He et al. | 2022 | 1.26 | 0.72 | â | 1259 | -1.335 | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.