UBC 246
0.76
UTI
1.0
CN
1.0
Cdens
1.0
CC3
0.4
Clit
1.0
Cdup
Stellar density (N50/rad)
36.4 [N/pc2]
- CN 1.0 Very 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 246 is a very rich, very 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 massive, near-solar metallicity, 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 | 130.747 | -44.927 | 0.5 | -4.386 | 3.017 | 25.035 |
| Li et al. | 2025 | 130.734 | -44.932 | 0.485 | -4.429 | 2.991 | â |
| Hunt & Reffert | 2024 | 130.73 | -44.926 | 0.508 | -4.388 | 3.02 | 24.793 |
| Cavallo et al. | 2024 | 130.753 | -44.926 | 0.508 | â | â | â |
| Hunt & Reffert | 2023 | 130.73 | -44.926 | 0.508 | -4.388 | 3.02 | 24.793 |
| Cantat-Gaudin et al. | 2020 | 130.734 | -44.932 | 0.485 | -4.429 | 2.991 | â |
| Castro-Ginard et al. | 2020 | 130.757 | -44.945 | 0.483 | -4.43 | 2.986 | 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 | 1.88 | 1.59 | 1.7 | 316 | 0.331 | 2772 | â | â |
| Liu et al. | 2025 | 3.77 | 0.60 | â | 257 | â | â | â | â |
| Li et al. | 2025 | 1.88 | 1.46 | â | 462 | 0.242 | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 2772(1) | â | â |
| Cavallo et al. | 2024 | 1.88 | 1.65 | â | 380 | 0.420 | â | â | â |
| Hunt & Reffert | 2023 | 1.84 | 1.60 | 1.70 | 287 | â | â | â | â |
| Cantat-Gaudin et al. | 2020 | 2.12 | 1.59 | â | 316 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Liu et al. (2025)
Classified as tidal capture (resonant trapping binary) 375 along with UBC_1620.
Palma et al. (2025)
Classified as optical pair P598, along with UBC_1620.
Cavallo et al. (2024)
Gold sample.