UBC 565
0.72
UTI
0.78
CN
1.0
Cdens
1.0
CC3
0.4
Clit
1.0
Cdup
Stellar density (N50/rad)
6.8 [N/pc2]
- CN 0.78 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.4 Poorly 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
UBC 565 is a rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, near-solar metallicity, very young cluster, but with a large variance across recent sources for the distance, age, and metallicity parameters (see Parameters). It is poorly studied in the literature.
Note: This object shares a large percentage of members with a later 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 | 264.03 | -33.915 | 0.391 | -0.156 | -1.469 | -10.155 |
| Li et al. | 2025 | 264.004 | -33.908 | 0.396 | -0.138 | -1.467 | â |
| Hunt & Reffert | 2024 | 263.902 | -33.936 | 0.39 | -0.172 | -1.482 | 28.749 |
| Celli et al. | 2024 | 264.004 | -33.908 | â | â | â | â |
| Cavallo et al. | 2024 | 264.013 | -33.939 | 0.39 | â | â | â |
| Hunt & Reffert | 2023 | 263.902 | -33.936 | 0.39 | -0.172 | -1.482 | 28.749 |
| Cantat-Gaudin et al. | 2020 | 264.004 | -33.908 | 0.396 | -0.138 | -1.467 | â |
| Castro-Ginard et al. | 2020 | 264.006 | -33.912 | 0.397 | -0.139 | -1.452 | 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 | 2.025 | 3.46 | 2.52 | 14 | -0.168 | 2147 | â | â |
| Li et al. | 2025 | 0.70 | 1.31 | â | 5993 | 0.145 | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 3070(1) | â | â |
| Celli et al. | 2024 | â | â | â | 9 | â | 1224 | â | â |
| Cavallo et al. | 2024 | 1.75 | 4.12 | â | 14 | -0.480 | â | â | â |
| Hunt & Reffert | 2023 | 2.35 | 3.76 | 2.52 | 14 | â | â | â | â |
| Cantat-Gaudin et al. | 2020 | 2.30 | 3.16 | â | 9 | â | 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 G51, along with Collinder_333, OC_0697, CWNU_2274 and UBC_566.
Cavallo et al. (2024)
Silver sample.