CWNU 1559
0.50
UTI
0.39
CN
0.88
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
3.0 [arcmin]
- CN 0.39 Poorly populated
- Cdens 0.88 Dense
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1559 is a poorly populated, dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by very high extinction. It is catalogued as a massive, near-solar metallicity, very young cluster (see Parameters). It was recently reported in the literature.
Distant
Very high extinction
Massive
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 | 257.503 | -40.86 | 0.294 | -1.569 | -3.232 | -55.497 |
| Hunt & Reffert | 2024 | 257.509 | -40.865 | 0.29 | -1.541 | -3.224 | -51.139 |
| Cavallo et al. | 2024 | 257.507 | -40.867 | 0.291 | â | â | â |
| Hunt & Reffert | 2023 | 257.509 | -40.865 | 0.29 | -1.541 | -3.224 | -51.139 |
| He et al. | 2023 | 257.501 | -40.865 | 0.304 | -1.571 | -3.232 | 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 | 1495* | â | â |
| Cavallo et al. | 2024 | 2.42 | 5.08 | â | 9 | -0.050 | â | â | â |
| Hunt & Reffert | 2023 | 3.09 | 4.81 | 2.70 | 16 | â | â | â | â |
| He et al. | 2023 | 3.47 | 5.80 | â | 4 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.