CWNU 1801
0.35
UTI
0.0
CN
0.52
Cdens
0.5
CC3
0.38
Clit
1.0
Cdup
Radius (P>50% members)
8.1 [arcmin]
- CN 0.0 Sparse
- Cdens 0.52 Moderately dense
- CC3 0.5 Intermediate quality
- Clit 0.38 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1801 is a sparse, moderately dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, above 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 | 91.745 | 32.151 | 0.793 | 1.03 | -3.685 | -11.176 |
| Hu & Soubiran | 2025 | 91.746 | 32.161 | â | â | â | â |
| Zhang et al. | 2024 | 91.747 | 32.172 | â | â | â | â |
| Hunt & Reffert | 2024 | 91.747 | 32.172 | 0.786 | 1.052 | -3.716 | -13.944 |
| Cavallo et al. | 2024 | 91.745 | 32.161 | 0.792 | â | â | â |
| Hunt & Reffert | 2023 | 91.747 | 32.172 | 0.786 | 1.052 | -3.716 | -13.944 |
| He et al. | 2023 | 91.747 | 32.157 | 0.805 | 1.047 | -3.685 | -11.18 |
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 | -0.190* | â | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.163* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 54* | â | â |
| Cavallo et al. | 2024 | 1.21 | 1.16 | â | 977 | -0.300 | â | â | â |
| Hunt & Reffert | 2023 | 1.19 | 0.70 | 0.37 | 718 | â | â | â | â |
| He et al. | 2023 | 1.23 | 1.10 | â | 562 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.