CWNU 1998
0.40
UTI
0.0
CN
0.5
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
6.3 [arcmin]
- CN 0.0 Sparse
- Cdens 0.5 Moderately dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 1998 is a sparse, moderately dense object of very high C3 quality. Its parallax locates it at a relatively close distance, below 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.
Relatively close
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 | 267.477 | -33.376 | 0.635 | 0.035 | -1.986 | â |
| Hunt & Reffert | 2024 | 267.466 | -33.335 | 0.639 | 0.068 | -1.922 | â |
| Cavallo et al. | 2024 | 267.491 | -33.361 | 0.642 | â | â | â |
| Hunt & Reffert | 2023 | 267.466 | -33.335 | 0.639 | 0.068 | -1.922 | â |
| He et al. | 2023 | 267.466 | -33.363 | 0.654 | 0.02 | -2.017 | 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 | 261* | â | â |
| Cavallo et al. | 2024 | 1.06 | 3.10 | â | 25 | -0.720 | â | â | â |
| Hunt & Reffert | 2023 | 1.42 | 2.34 | 1.78 | 106 | â | â | â | â |
| He et al. | 2023 | 1.48 | 2.25 | â | 200 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.