CWNU 1816
0.33
UTI
0.28
CN
0.22
Cdens
0.62
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
7.1 [arcmin]
- CN 0.28 Poorly populated
- Cdens 0.22 Very loose
- CC3 0.62 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1816 is a poorly populated, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster, but with a large variance across recent sources for the age parameter (see Parameters). It was recently reported in the literature.
Relatively close
Moderate extinction
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 156.21 | -57.296 | 0.411 | -5.839 | 2.249 | â |
| Hunt & Reffert | 2024 | 156.192 | -57.278 | 0.411 | -5.839 | 2.246 | â |
| Cavallo et al. | 2024 | 156.256 | -57.322 | 0.411 | â | â | â |
| Hunt & Reffert | 2023 | 156.192 | -57.278 | 0.411 | -5.839 | 2.246 | â |
| He et al. | 2023 | 156.259 | -57.314 | 0.415 | -5.839 | 2.251 | 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 | 192* | â | â |
| Cavallo et al. | 2024 | 2.22 | 1.01 | â | 468 | 0.020 | â | â | â |
| Hunt & Reffert | 2023 | 2.24 | 1.22 | 2.30 | 84 | â | â | â | â |
| He et al. | 2023 | 2.29 | 1.40 | â | 79 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.