CWNU 1920
0.56
UTI
0.3
CN
1.0
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
3.1 [arcmin]
- CN 0.3 Poorly populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1920 is a poorly populated, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by high extinction. It is catalogued as a massive, metal-rich, young cluster (see Parameters). It was recently reported in the literature.
Distant
High extinction
Massive
Metal-rich
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 260.104 | -40.654 | 0.377 | -0.503 | -1.116 | -2.857 |
| Hunt & Reffert | 2024 | 260.102 | -40.659 | 0.375 | -0.473 | -1.102 | 9.135 |
| Cavallo et al. | 2024 | 260.085 | -40.661 | 0.38 | â | â | â |
| Hunt & Reffert | 2023 | 260.102 | -40.659 | 0.375 | -0.473 | -1.102 | 9.135 |
| He et al. | 2023 | 260.077 | -40.649 | 0.388 | -0.468 | -1.126 | 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 | 1066* | â | â |
| Cavallo et al. | 2024 | 3.22 | 4.37 | â | 22 | 0.560 | â | â | â |
| Hunt & Reffert | 2023 | 2.39 | 4.68 | 3.12 | 37 | â | â | â | â |
| He et al. | 2023 | 3.02 | 5.95 | â | 2 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Wood sample.