CWNU 128
0.47
UTI
0.55
CN
0.69
Cdens
0.5
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
10.1 [arcmin]
- CN 0.55 Moderately populated
- Cdens 0.69 Moderately dense
- CC3 0.5 Intermediate quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 128 is a moderately populated, moderately dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, below the mid-plane, affected by moderate 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 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 | 117.641 | -35.16 | 0.712 | -0.751 | -0.074 | 11.3 |
| Hu & Soubiran | 2025 | 117.62 | -35.148 | â | â | â | â |
| Hunt & Reffert | 2024 | 117.695 | -35.12 | 0.701 | -0.756 | -0.078 | 3.954 |
| Cavallo et al. | 2024 | 117.62 | -35.148 | 0.697 | â | â | â |
| Hunt & Reffert | 2023 | 117.695 | -35.12 | 0.701 | -0.756 | -0.078 | 3.954 |
| He et al. | 2022 | 117.662 | -35.143 | 0.72 | -0.74 | -0.11 | 8.1 |
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 | -0.080* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 234* | â | â |
| Cavallo et al. | 2024 | 1.45 | 1.24 | â | 562 | 0.420 | â | â | â |
| Hunt & Reffert | 2023 | 1.35 | 1.31 | 1.25 | 293 | â | â | â | â |
| He et al. | 2022 | 1.91 | 1.56 | â | 251 | 0.862 | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.