CWNU 538
0.31
UTI
0.31
CN
0.25
Cdens
0.5
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
10.8 [arcmin]
- CN 0.31 Poorly populated
- Cdens 0.25 Loose
- CC3 0.5 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 538 is a poorly populated, loose object of intermediate C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is poorly studied in the literature.
Relatively close
Moderate extinction
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 117.541 | -30.864 | 0.633 | -4.298 | 4.463 | 8.634 |
| Hunt & Reffert | 2024 | 117.508 | -30.942 | 0.635 | -4.288 | 4.5 | 22.184 |
| Cavallo et al. | 2024 | 117.443 | -30.79 | 0.635 | â | â | â |
| Hunt & Reffert | 2023 | 117.508 | -30.942 | 0.635 | -4.288 | 4.5 | 22.184 |
| He et al. | 2022 | 117.541 | -30.898 | 0.63 | -4.3 | 4.46 | 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 | 140* | â | â |
| Cavallo et al. | 2024 | 1.54 | 1.35 | â | 76 | 0.140 | â | â | â |
| Hunt & Reffert | 2023 | 1.48 | 1.34 | 2.41 | 34 | â | â | â | â |
| He et al. | 2022 | 1.66 | 1.74 | â | 25 | 0.457 | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.