CWNU 1870
0.31
UTI
0.0
CN
0.67
Cdens
0.38
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
2.6 [arcmin]
- CN 0.0 Sparse
- Cdens 0.67 Moderately dense
- CC3 0.38 Low quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1870 is a sparse, moderately dense object of low C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.
Distant
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 | 300.803 | 33.246 | 0.303 | -3.215 | -4.878 | â |
| Hunt & Reffert | 2024 | 300.804 | 33.247 | 0.292 | -3.229 | -4.87 | â |
| Cavallo et al. | 2024 | 300.807 | 33.255 | 0.294 | â | â | â |
| Hunt & Reffert | 2023 | 300.804 | 33.247 | 0.292 | -3.229 | -4.87 | â |
| He et al. | 2023 | 300.803 | 33.248 | 0.311 | -3.233 | -4.888 | 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 | 284* | â | â |
| Cavallo et al. | 2024 | 3.73 | 2.82 | â | 41 | 0.450 | â | â | â |
| Hunt & Reffert | 2023 | 3.05 | 2.62 | 0.77 | 17 | â | â | â | â |
| He et al. | 2023 | 3.09 | 3.15 | â | 35 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.