CWNU 2256
0.40
UTI
0.25
CN
1.0
Cdens
0.12
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
3.4 [arcmin]
- CN 0.25 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.12 Very low quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2256 is a poorly populated, very dense object of very low 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.
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 | 331.298 | 54.248 | 0.444 | -4.659 | -4.598 | -75.819 |
| Hu & Soubiran | 2025 | 331.275 | 54.227 | â | â | â | â |
| Hunt & Reffert | 2024 | 331.322 | 54.235 | 0.435 | -4.627 | -4.587 | -75.823 |
| Cavallo et al. | 2024 | 331.275 | 54.227 | 0.437 | â | â | â |
| Hunt & Reffert | 2023 | 331.322 | 54.235 | 0.435 | -4.627 | -4.587 | -75.823 |
| He et al. | 2023 | 331.31 | 54.239 | 0.44 | -4.654 | -4.598 | 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 | -0.030* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 101* | â | â |
| Cavallo et al. | 2024 | 2.24 | 2.31 | â | 661 | 0.140 | â | â | â |
| Hunt & Reffert | 2023 | 2.15 | 2.23 | 0.90 | 208 | â | â | â | â |
| He et al. | 2023 | 2.51 | 2.70 | â | 398 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.