CWNU 2558
0.46
UTI
0.45
CN
0.46
Cdens
0.75
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
10.2 [arcmin]
- CN 0.45 Poorly populated
- Cdens 0.46 Loose
- CC3 0.75 High quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2558 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Note: This object shares a significant percentage of members with a later reported entry. See table with shared members information.
Relatively close
Low extinction
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 101.229 | 0.888 | 0.673 | -1.492 | 0.797 | -20.599 |
| Zhang et al. | 2024 | 101.249 | 0.864 | â | â | â | â |
| Hunt & Reffert | 2024 | 101.249 | 0.864 | 0.667 | -1.479 | 0.786 | -20.635 |
| Cavallo et al. | 2024 | 101.262 | 0.903 | 0.667 | â | â | â |
| Hunt & Reffert | 2023 | 101.249 | 0.864 | 0.667 | -1.479 | 0.786 | -20.635 |
| He et al. | 2023 | 101.29 | 0.889 | 0.673 | -1.479 | 0.797 | 38.93 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Zhang et al. | 2024 | â | â | â | â | -0.138* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 209* | â | â |
| Cavallo et al. | 2024 | 1.47 | 0.84 | â | 209 | 0.080 | â | â | â |
| Hunt & Reffert | 2023 | 1.41 | 0.88 | 1.10 | 78 | â | â | â | â |
| He et al. | 2023 | 1.45 | 1.05 | â | 501 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.