CWNU 281
0.39
UTI
0.34
CN
1.0
Cdens
0.62
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
4.6 [arcmin]
- CN 0.34 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.62 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
CWNU 281 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, below the mid-plane, affected by moderate extinction. It is catalogued as an extremely metal-poor, very young cluster (see Parameters). It is rarely studied in the literature.
Relatively close
Moderate extinction
Extremely metal-poor
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 106.022 | -16.325 | 0.721 | -2.775 | 1.377 | 42.07 |
| Hunt & Reffert | 2024 | 106.039 | -16.352 | 0.728 | -2.749 | 1.438 | 22.803 |
| Hunt & Reffert | 2023 | 106.039 | -16.352 | 0.728 | -2.749 | 1.438 | 22.803 |
| He et al. | 2022 | 106.016 | -16.342 | 0.67 | -2.66 | 1.34 | 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 | 72* | â | â |
| Hunt & Reffert | 2023 | 1.31 | 1.34 | 0.59 | 10 | â | â | â | â |
| He et al. | 2022 | 1.20 | 1.08 | â | 8 | -2.028 | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

