CWNU 2638
0.40
UTI
0.32
CN
0.79
Cdens
0.38
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
3.7 [arcmin]
- CN 0.32 Poorly populated
- Cdens 0.79 Dense
- CC3 0.38 Low quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2638 is a poorly populated, dense object of low C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Relatively close
Moderate 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 | 158.302 | -55.981 | 0.378 | -6.154 | 2.822 | â |
| Hunt & Reffert | 2024 | 158.279 | -56.008 | 0.371 | -6.138 | 2.84 | â |
| Cavallo et al. | 2024 | 158.32 | -55.979 | 0.375 | â | â | â |
| Hunt & Reffert | 2023 | 158.279 | -56.008 | 0.371 | -6.138 | 2.84 | â |
| He et al. | 2023 | 158.331 | -55.972 | 0.383 | -6.144 | 2.825 | 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 | 388* | â | â |
| Cavallo et al. | 2024 | 2.94 | 1.80 | â | 110 | 0.460 | â | â | â |
| Hunt & Reffert | 2023 | 2.43 | 1.68 | 2.30 | 207 | â | â | â | â |
| He et al. | 2023 | 2.34 | 1.90 | â | 251 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.