CWNU 284
0.00
UTI
0.0
CN
0.62
Cdens
1.0
CC3
0.25
Clit
0.0
Cdup
Stellar density (N50/rad)
3.1 [N/pc2]
- CN 0.0 Sparse
- Cdens 0.62 Moderately dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 0.0 Very likely duplicate
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 284 is a sparse, moderately dense object of very 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 metal-rich, young cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is poorly studied in the literature.
â ī¸ Warning: This is very likely a duplicate object, which shares a large percentage of members with at least one previously reported entry. See table with shared members information.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 211.804 | -61.708 | 0.552 | -4.849 | -2.037 | -28.344 |
| Hunt & Reffert | 2024 | 211.802 | -61.704 | 0.538 | -4.86 | -2.045 | -20.506 |
| Cavallo et al. | 2024 | 211.875 | -61.711 | 0.537 | â | â | â |
| Hunt & Reffert | 2023 | 211.802 | -61.704 | 0.538 | -4.86 | -2.045 | -20.506 |
| He et al. | 2022 | 211.884 | -61.706 | 0.54 | -4.86 | -2.04 | 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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 1.78 | 1.3 | 0.8 | 57 | 0.530 | 445 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 445(1) | â | â |
| Cavallo et al. | 2024 | 1.78 | 1.06 | â | 123 | 0.690 | â | â | â |
| Hunt & Reffert | 2023 | 1.73 | 1.30 | 0.80 | 57 | â | â | â | â |
| He et al. | 2022 | 1.95 | 1.56 | â | 40 | 0.370 | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Palma et al. (2025)
Classified as optical pair P103, along with CWNU_1674.
Cavallo et al. (2024)
Gold sample.