CWNU 440
0.46
UTI
0.55
CN
0.48
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
14.7 [arcmin]
- CN 0.55 Moderately populated
- Cdens 0.48 Loose
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 440 is a moderately populated, loose object of high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is poorly studied in the literature.
Relatively close
Moderate extinction
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 295.548 | 22.363 | 0.859 | -0.893 | -5.08 | 6.209 |
| Hunt & Reffert | 2024 | 295.592 | 22.311 | 0.857 | -0.984 | -5.094 | 22.697 |
| Cavallo et al. | 2024 | 295.54 | 22.343 | 0.859 | â | â | â |
| Hunt & Reffert | 2023 | 295.592 | 22.311 | 0.857 | -0.984 | -5.094 | 22.697 |
| He et al. | 2022 | 295.574 | 22.37 | 0.87 | -0.8 | -5.07 | 4.6 |
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 | 141* | â | â |
| Cavallo et al. | 2024 | 1.21 | 1.74 | â | 78 | 0.220 | â | â | â |
| Hunt & Reffert | 2023 | 1.12 | 1.45 | 2.15 | 65 | â | â | â | â |
| He et al. | 2022 | 1.17 | 1.86 | â | 100 | 0.274 | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.