CWNU 399
0.33
UTI
0.3
CN
0.5
Cdens
0.25
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
9.8 [arcmin]
- CN 0.3 Poorly populated
- Cdens 0.5 Moderately dense
- CC3 0.25 Low quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 399 is a poorly populated, moderately dense object of low C3 quality. Its parallax locates it at a relatively close distance, below the mid-plane, affected by moderate extinction. It is catalogued as a very metal-poor, young cluster (see Parameters). It is poorly studied in the literature.
Relatively close
Moderate extinction
Very metal-poor
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 125.084 | -43.148 | 0.822 | -2.411 | 4.904 | 2.639 |
| Hunt & Reffert | 2024 | 125.076 | -43.21 | 0.821 | -2.408 | 4.903 | 9.7 |
| Cavallo et al. | 2024 | 125.118 | -43.136 | 0.824 | â | â | â |
| Hunt & Reffert | 2023 | 125.076 | -43.21 | 0.821 | -2.408 | 4.903 | 9.7 |
| He et al. | 2022 | 125.075 | -43.2 | 0.816 | -2.404 | 4.898 | â |
| He et al. | 2022 | 125.131 | -43.163 | 0.82 | -2.42 | 4.9 | 12.3 |
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 | 150* | â | â |
| Cavallo et al. | 2024 | 1.22 | 2.06 | â | 20 | -0.060 | â | â | â |
| Hunt & Reffert | 2023 | 1.18 | 1.57 | 2.14 | 40 | â | â | â | â |
| He et al. | 2022 | â | 2.45 | â | 32 | â | â | â | â |
| He et al. | 2022 | 1.70 | 1.38 | â | 2 | -2.028 | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.