CWNU 2631
0.53
UTI
0.41
CN
1.0
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Stellar density (N50/rad)
5.2 [N/pc2]
- CN 0.41 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
CWNU 2631 is a poorly populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 208.615 | -63.076 | 0.31 | -5.037 | -2.007 | â |
| Hunt & Reffert | 2024 | 208.591 | -63.08 | 0.301 | -5.073 | -2.03 | -35.606 |
| Cavallo et al. | 2024 | 209.209 | -63.019 | 0.301 | â | â | â |
| Hunt & Reffert | 2023 | 208.591 | -63.08 | 0.301 | -5.073 | -2.03 | -35.606 |
| He et al. | 2023 | 208.63 | -63.077 | 0.328 | -5.034 | -2.003 | -49.19 |
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 | 2.77 | 3.4 | 2.78 | 74 | 0.080 | 451 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 451(1) | â | â |
| Cavallo et al. | 2024 | 2.77 | 3.40 | â | 74 | 0.080 | â | â | â |
| Hunt & Reffert | 2023 | 3.02 | 3.08 | 2.78 | 36 | â | â | â | â |
| He et al. | 2023 | 2.63 | 3.90 | â | 100 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Palma et al. (2025)
Part of multiple system G161, along with Theia_2651, OC_0600 and HSC_2612.
Cavallo et al. (2024)
Gold sample.