UBC 398
0.68
UTI
0.78
CN
1.0
Cdens
1.0
CC3
0.3
Clit
1.0
Cdup
Stellar density (N50/rad)
9.2 [N/pc2]
- CN 0.78 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.3 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 398 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, very metal-rich, intermediate-age 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 | 351.892 | 60.427 | 0.327 | -1.589 | -1.398 | -34.192 |
| Hunt & Reffert | 2024 | 351.931 | 60.427 | 0.334 | -1.592 | -1.41 | 5.871 |
| Cavallo et al. | 2024 | 351.876 | 60.426 | 0.332 | â | â | â |
| Hunt & Reffert | 2023 | 351.931 | 60.427 | 0.334 | -1.592 | -1.41 | 5.871 |
| Cantat-Gaudin et al. | 2020 | 351.907 | 60.416 | 0.312 | -1.593 | -1.353 | â |
| Castro-Ginard et al. | 2020 | 351.879 | 60.421 | 0.316 | -1.589 | -1.35 | 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 | 2.85 | 3.18 | 2.53 | 151 | 1.020 | 1992 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 1992(1) | â | â |
| Cavallo et al. | 2024 | 3.01 | 3.11 | â | 200 | 1.020 | â | â | â |
| Hunt & Reffert | 2023 | 2.69 | 3.25 | 2.53 | 102 | 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 G224, along with Skiff_J2330+60.2 and OC_0206.
Cavallo et al. (2024)
Gold sample.