CWNU 331
0.40
UTI
0.32
CN
0.81
Cdens
0.38
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
7.9 [arcmin]
- CN 0.32 Poorly populated
- Cdens 0.81 Dense
- CC3 0.38 Low quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 331 is a poorly populated, dense object of low C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is poorly studied in the literature.
Relatively close
Moderate extinction
Near-solar metallicity
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 124.435 | -39.543 | 0.819 | -5.05 | 4.187 | 12.125 |
| Hunt & Reffert | 2024 | 124.471 | -39.521 | 0.826 | -5.051 | 4.151 | 11.991 |
| Cavallo et al. | 2024 | 124.457 | -39.591 | 0.825 | â | â | â |
| Hunt & Reffert | 2023 | 124.471 | -39.521 | 0.826 | -5.051 | 4.151 | 11.991 |
| He et al. | 2022 | 124.421 | -39.567 | 0.83 | -5.05 | 4.16 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 125* | â | â |
| Cavallo et al. | 2024 | 1.39 | 1.68 | â | 8 | 0.050 | â | â | â |
| Hunt & Reffert | 2023 | 1.14 | 1.35 | 1.15 | 15 | â | â | â | â |
| He et al. | 2022 | 1.86 | 2.22 | â | 10 | 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.