CWNU 2178
0.26
UTI
0.0
CN
0.31
Cdens
0.5
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
2.5 [arcmin]
- CN 0.0 Sparse
- Cdens 0.31 Loose
- CC3 0.5 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2178 is a sparse, loose object of intermediate C3 quality. Its parallax locates it at a large distance, above the mid-plane, affected by moderate extinction. It is catalogued as a metal-poor, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Distant
Moderate extinction
Metal-poor
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 101.775 | 4.699 | 0.185 | -0.304 | 0.18 | 65.361 |
| Hunt & Reffert | 2024 | 101.777 | 4.704 | 0.19 | -0.283 | 0.278 | 37.62 |
| Cavallo et al. | 2024 | 101.828 | 4.717 | 0.187 | â | â | â |
| Hunt & Reffert | 2023 | 101.777 | 4.704 | 0.19 | -0.283 | 0.278 | 37.62 |
| He et al. | 2023 | 101.724 | 4.646 | 0.206 | -0.306 | 0.156 | 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 | 432* | â | â |
| Cavallo et al. | 2024 | 3.31 | 1.88 | â | 316 | -0.540 | â | â | â |
| Hunt & Reffert | 2023 | 4.70 | 1.58 | 2.48 | 134 | â | â | â | â |
| He et al. | 2023 | 6.03 | 2.25 | â | 8 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.