CWNU 446
0.37
UTI
0.57
CN
0.48
Cdens
0.62
CC3
0.1
Clit
1.0
Cdup
Nm (P>50%)
64
Core radius and density
1.9 [pc], 2.4 [pc-2]
- CN 0.57 Moderately populated
- Cdens 0.48 Loose
- CC3 0.62 Intermediate quality
- Clit 0.1 Rarely studied
- Cdup 1.0 Unique
đĨ Members
đ Colab
đŦ Bayestar19
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
Overview
CWNU 446 is a moderately populated, loose object of intermediate C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is rarely studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 340.194 | 65.313 | 1.053 | -0.314 | -2.569 | -32.69 |
| Hunt & Reffert | 2024 | 340.173 | 65.289 | 1.024 | -0.331 | -2.545 | -33.234 |
| Cavallo et al. | 2024 | 340.161 | 65.324 | 1.02 | â | â | â |
| Hunt & Reffert | 2023 | 340.173 | 65.289 | 1.024 | -0.331 | -2.545 | -33.234 |
| He et al. | 2022 | 339.949 | 65.418 | 1.071 | -0.346 | -2.555 | â |
| He et al. | 2022 | 340.135 | 65.305 | 1.05 | -0.38 | -2.64 | -50.2 |
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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 0.95 | 1.78 | 1.74 | 6 | -0.135 | 145 | â | â |
| Hunt & Reffert | 2024 | 0.95 | 1.78 | 1.74 | 4 | â | 145(1) | â | â |
| Cavallo et al. | 2024 | 1.10 | 1.75 | â | 9 | 0.010 | â | â | â |
| Hunt & Reffert | 2023 | 0.95 | 1.78 | 1.74 | 4 | â | â | â | â |
| He et al. | 2022 | â | 2.10 | â | 6 | â | â | â | â |
| He et al. | 2022 | 0.69 | 2.41 | â | 25 | -0.279 | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Palma et al. (2025)
Part of multiple system G30, along with Pismis-Moreno_1, OC_0185, CWNU_1126, HSC_824, CWNU_1228 and FSR_0398.
Cavallo et al. (2024)
Bronze sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD classes: 0.89 (50th percentile), false positive? (human-assigned).
Hunt & Reffert (2023)
Classified as open cluster. CMD classes: 0.89 (50th percentile), false positive? (human-assigned).