CWNU 1540
0.35
UTI
0.34
CN
0.14
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Stellar density (N50/rad)
0.7 [N/pc2]
- CN 0.34 Poorly populated
- Cdens 0.14 Very loose
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1540 is a poorly populated, very loose object of high 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 (see Parameters). It was recently reported in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 109.874 | -15.892 | 0.311 | -2.642 | 2.962 | â |
| Hunt & Reffert | 2024 | 109.904 | -15.936 | 0.311 | -2.646 | 2.948 | 76.473 |
| Cavallo et al. | 2024 | 109.818 | -15.772 | 0.313 | â | â | â |
| Hunt & Reffert | 2023 | 109.904 | -15.936 | 0.311 | -2.646 | 2.948 | 76.473 |
| He et al. | 2023 | 109.817 | -15.785 | 0.313 | -2.616 | 2.935 | 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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 2.83 | 1.25 | 1.27 | 76 | -0.170 | 216 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 216(1) | â | â |
| Cavallo et al. | 2024 | 2.74 | 1.35 | â | 76 | -0.170 | â | â | â |
| Hunt & Reffert | 2023 | 2.83 | 1.15 | 1.27 | 77 | â | â | â | â |
| He et al. | 2023 | 2.95 | 1.25 | â | 40 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Cavallo et al. (2024)
Gold sample.