CWNU 2644
0.29
UTI
0.0
CN
0.08
Cdens
0.62
CC3
0.38
Clit
1.0
Cdup
Radius (P>50% members)
11.0 [arcmin]
- CN 0.0 Sparse
- Cdens 0.08 Very loose
- CC3 0.62 Intermediate quality
- Clit 0.38 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2644 is a sparse, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Relatively close
Low 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 | 88.6 | 11.376 | 0.458 | 0.377 | -2.752 | â |
| Hu & Soubiran | 2025 | 88.579 | 11.479 | â | â | â | â |
| Zhang et al. | 2024 | 88.673 | 11.306 | â | â | â | â |
| Hunt & Reffert | 2024 | 88.673 | 11.306 | 0.454 | 0.336 | -2.748 | 45.279 |
| Cavallo et al. | 2024 | 88.579 | 11.479 | 0.455 | â | â | â |
| Hunt & Reffert | 2023 | 88.673 | 11.306 | 0.454 | 0.336 | -2.748 | 45.279 |
| He et al. | 2023 | 88.56 | 11.489 | 0.475 | 0.362 | -2.752 | 45.1 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Hu & Soubiran | 2025 | â | â | â | â | -0.340* | â | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.165* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 65* | â | â |
| Cavallo et al. | 2024 | 1.94 | 0.92 | â | 501 | -0.280 | â | â | â |
| Hunt & Reffert | 2023 | 1.99 | 0.45 | 0.87 | 656 | â | â | â | â |
| He et al. | 2023 | 1.86 | 0.70 | â | 708 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.