CWNU 2778
0.40
UTI
0.0
CN
1.0
Cdens
0.5
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
2.0 [arcmin]
- CN 0.0 Sparse
- Cdens 1.0 Very dense
- CC3 0.5 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2778 is a sparse, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by high extinction. It is catalogued as a massive, near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Relatively close
High extinction
Massive
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 | 252.654 | -41.82 | 0.346 | -2.331 | -3.744 | -27.906 |
| Hunt & Reffert | 2024 | 252.656 | -41.826 | 0.344 | -2.328 | -3.753 | -31.705 |
| Cavallo et al. | 2024 | 252.636 | -41.822 | 0.344 | â | â | â |
| Hunt & Reffert | 2023 | 252.656 | -41.826 | 0.344 | -2.328 | -3.753 | -31.705 |
| He et al. | 2023 | 252.666 | -41.819 | 0.396 | -2.331 | -3.763 | -33.43 |
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 | 1902* | â | â |
| Cavallo et al. | 2024 | 2.34 | 4.27 | â | 324 | -0.070 | â | â | â |
| Hunt & Reffert | 2023 | 2.67 | 4.61 | 2.71 | 209 | â | â | â | â |
| He et al. | 2023 | 2.34 | 3.80 | â | 1122 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.