CWNU 2331
0.49
UTI
0.44
CN
1.0
Cdens
0.5
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
3.0 [arcmin]
- CN 0.44 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.5 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2331 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a metal-poor, young cluster (see Parameters). It was recently reported in the literature.
Relatively close
High extinction
Metal-poor
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 276.891 | -13.384 | 0.335 | -0.289 | -1.212 | -79.702 |
| Hunt & Reffert | 2024 | 276.891 | -13.389 | 0.338 | -0.284 | -1.21 | -116.338 |
| Cavallo et al. | 2024 | 276.91 | -13.383 | 0.335 | â | â | â |
| Hunt & Reffert | 2023 | 276.891 | -13.389 | 0.338 | -0.284 | -1.21 | -116.338 |
| He et al. | 2023 | 276.903 | -13.39 | 0.361 | -0.289 | -1.223 | -11.31 |
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 | 526* | â | â |
| Cavallo et al. | 2024 | 2.67 | 3.88 | â | 23 | -0.590 | â | â | â |
| Hunt & Reffert | 2023 | 2.71 | 3.19 | 2.45 | 50 | â | â | â | â |
| He et al. | 2023 | 2.40 | 3.35 | â | 501 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.