CWNU 1757
0.44
UTI
0.34
CN
0.72
Cdens
0.5
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
4.2 [arcmin]
- CN 0.34 Poorly populated
- Cdens 0.72 Moderately dense
- CC3 0.5 Intermediate quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1757 is a poorly populated, moderately dense object of intermediate 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, old cluster (see Parameters). It was recently reported in the literature.
Relatively close
Moderate extinction
Near-solar metallicity
Old
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 304.419 | 48.07 | 0.398 | -2.966 | -5.333 | -50.72 |
| Hu & Soubiran | 2025 | 304.434 | 48.031 | â | â | â | â |
| Hunt & Reffert | 2024 | 304.426 | 48.071 | 0.394 | -2.922 | -5.258 | -38.916 |
| Cavallo et al. | 2024 | 304.434 | 48.031 | 0.399 | â | â | â |
| Hunt & Reffert | 2023 | 304.426 | 48.071 | 0.394 | -2.922 | -5.258 | -38.916 |
| He et al. | 2023 | 304.438 | 48.057 | 0.399 | -2.989 | -5.355 | -49.98 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Hu & Soubiran | 2025 | â | â | â | â | 0.040* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 170* | â | â |
| Cavallo et al. | 2024 | 2.14 | 2.02 | â | 1122 | 0.300 | â | â | â |
| Hunt & Reffert | 2023 | 2.31 | 2.11 | 1.38 | 920 | â | â | â | â |
| He et al. | 2023 | 2.29 | 1.90 | â | 1778 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.