CWNU 2890
0.40
UTI
0.0
CN
1.0
Cdens
0.5
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
3.4 [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 2890 is a sparse, very dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Relatively close
High 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 | 262.398 | -34.329 | 0.606 | 1.976 | 0.163 | 112.425 |
| Hunt & Reffert | 2024 | 262.423 | -34.321 | 0.599 | 1.873 | 0.176 | 112.443 |
| Cavallo et al. | 2024 | 262.387 | -34.321 | 0.597 | â | â | â |
| Hunt & Reffert | 2023 | 262.423 | -34.321 | 0.599 | 1.873 | 0.176 | 112.443 |
| He et al. | 2023 | 262.41 | -34.314 | 0.614 | 1.968 | 0.218 | 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 | 297* | â | â |
| Cavallo et al. | 2024 | 1.86 | 4.37 | â | 141 | -0.300 | â | â | â |
| Hunt & Reffert | 2023 | 1.58 | 4.07 | 2.55 | 30 | â | â | â | â |
| He et al. | 2023 | 1.51 | 4.60 | â | 158 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.