CWNU 2300
0.48
UTI
0.0
CN
1.0
Cdens
0.75
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
1.5 [arcmin]
- CN 0.0 Sparse
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2300 is a sparse, very dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, old cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It was recently reported in the literature.
Distant
Moderate 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 | 154.603 | -59.823 | 0.23 | -5.029 | 2.843 | â |
| Hu & Soubiran | 2025 | 154.606 | -59.82 | â | â | â | â |
| Hunt & Reffert | 2024 | 154.616 | -59.823 | 0.218 | -5.017 | 2.831 | â |
| Cavallo et al. | 2024 | 154.606 | -59.82 | 0.22 | â | â | â |
| Hunt & Reffert | 2023 | 154.616 | -59.823 | 0.218 | -5.017 | 2.831 | â |
| He et al. | 2023 | 154.6 | -59.816 | 0.238 | -5.047 | 2.863 | 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 | -0.300* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 700* | â | â |
| Cavallo et al. | 2024 | 3.34 | 2.05 | â | 1318 | 0.360 | â | â | â |
| Hunt & Reffert | 2023 | 3.95 | 2.11 | 1.12 | 861 | â | â | â | â |
| He et al. | 2023 | 3.47 | 1.90 | â | 1995 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.