CWNU 2197
0.43
UTI
0.0
CN
1.0
Cdens
0.5
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
1.3 [arcmin]
- CN 0.0 Sparse
- Cdens 1.0 Very dense
- CC3 0.5 Intermediate quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2197 is a sparse, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Distant
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 | 114.409 | -20.79 | 0.22 | -1.147 | 2.825 | â |
| Hu & Soubiran | 2025 | 114.412 | -20.789 | â | â | â | â |
| Hunt & Reffert | 2024 | 114.405 | -20.787 | 0.241 | -1.13 | 2.833 | â |
| Cavallo et al. | 2024 | 114.412 | -20.789 | 0.234 | â | â | â |
| Hunt & Reffert | 2023 | 114.405 | -20.787 | 0.241 | -1.13 | 2.833 | â |
| He et al. | 2023 | 114.403 | -20.786 | 0.275 | -1.13 | 2.835 | â |
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 | -0.130* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 433* | â | â |
| Cavallo et al. | 2024 | 3.56 | 2.31 | â | 661 | -0.060 | â | â | â |
| Hunt & Reffert | 2023 | 3.64 | 1.67 | 0.80 | 750 | â | â | â | â |
| He et al. | 2023 | 3.31 | 1.90 | â | 1122 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.