UBC 393
0.64
UTI
0.75
CN
0.53
Cdens
1.0
CC3
0.45
Clit
1.0
Cdup
Stellar density (N50/rad)
2.7 [N/pc2]
- CN 0.75 Rich
- Cdens 0.53 Moderately dense
- CC3 1.0 Very high quality
- Clit 0.45 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 393 is a rich, moderately dense object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, very young cluster (see Parameters). It is poorly studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 345.64 | 56.961 | 0.281 | -2.83 | -2.572 | â |
| Almeida et al. | 2025 | 345.49 | 56.951 | â | â | â | â |
| Hunt & Reffert | 2024 | 345.644 | 56.926 | 0.288 | -2.822 | -2.576 | â |
| Celli et al. | 2024 | 345.615 | 56.953 | â | â | â | â |
| Cavallo et al. | 2024 | 345.58 | 56.963 | 0.289 | â | â | â |
| Hunt & Reffert | 2023 | 345.644 | 56.926 | 0.288 | -2.822 | -2.576 | â |
| Dias et al. | 2021 | 345.49 | 56.951 | 0.259 | -2.891 | -2.546 | â |
| Cantat-Gaudin et al. | 2020 | 345.615 | 56.953 | 0.261 | -2.87 | -2.558 | â |
| Castro-Ginard et al. | 2020 | 345.533 | 56.953 | 0.263 | -2.888 | -2.553 | 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 | 3.28 | 2.25 | 2.45 | 8 | 0.088 | 1117 | â | â |
| Almeida et al. | 2025 | 3.28 | 2.25 | â | 7 | â | 1465 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 1101(1) | â | â |
| Celli et al. | 2024 | â | â | â | 8 | â | 1117 | â | â |
| Cavallo et al. | 2024 | 3.02 | 2.25 | â | 32 | 0.230 | â | â | â |
| Hunt & Reffert | 2023 | 3.39 | 2.19 | 2.45 | 10 | â | â | â | â |
| Dias et al. | 2021 | 3.28 | 2.25 | â | 7 | -0.054 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 3.80 | 2.03 | â | 9 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Cavallo et al. (2024)
Gold sample.
Almeida et al. (2025)
Mass determination: intermediate fit. Isochrone match: intermediate fit.