CWNU 1780
0.40
UTI
0.0
CN
1.0
Cdens
0.5
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
3.0 [arcmin]
- CN 0.0 Sparse
- Cdens 1.0 Very dense
- CC3 0.5 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1780 is a sparse, very dense 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, very young cluster (see Parameters). It was recently reported 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 | 5.709 | 62.238 | 0.467 | -2.85 | -1.628 | â |
| Hunt & Reffert | 2024 | 5.726 | 62.239 | 0.467 | -2.856 | -1.63 | â |
| Cavallo et al. | 2024 | 5.756 | 62.243 | 0.467 | â | â | â |
| Hunt & Reffert | 2023 | 5.726 | 62.239 | 0.467 | -2.856 | -1.63 | â |
| He et al. | 2023 | 5.722 | 62.239 | 0.466 | -2.847 | -1.629 | 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 | 237* | â | â |
| Cavallo et al. | 2024 | 2.04 | 1.21 | â | 4 | 0.020 | â | â | â |
| Hunt & Reffert | 2023 | 1.99 | 1.03 | 0.77 | 8 | â | â | â | â |
| He et al. | 2023 | 2.09 | 1.60 | â | 8 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.