CWNU 1918
0.51
UTI
0.3
CN
1.0
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
0.9 [arcmin]
- CN 0.3 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1918 is a poorly populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near 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 | 296.555 | 24.892 | 0.223 | -2.587 | -5.113 | -23.565 |
| Hunt & Reffert | 2024 | 296.557 | 24.893 | 0.191 | -2.565 | -5.132 | -9.23 |
| Cavallo et al. | 2024 | 296.562 | 24.882 | 0.196 | â | â | â |
| Hunt & Reffert | 2023 | 296.557 | 24.893 | 0.191 | -2.565 | -5.132 | -9.23 |
| He et al. | 2023 | 296.555 | 24.894 | 0.261 | -2.588 | -5.105 | 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 | 1656* | â | â |
| Cavallo et al. | 2024 | 4.74 | 3.50 | â | 37 | 0.530 | â | â | â |
| Hunt & Reffert | 2023 | 4.38 | 3.99 | 2.91 | 41 | â | â | â | â |
| He et al. | 2023 | 5.25 | 4.20 | â | 3 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Wood sample.