UBC 452
0.27
UTI
0.33
CN
0.08
Cdens
0.5
CC3
0.23
Clit
1.0
Cdup
Nm (P>50%)
33
Core radius and density
2.4 [pc], 0.4 [pc-2]
- CN 0.33 Poorly populated
- Cdens 0.08 Very loose
- CC3 0.5 Intermediate quality
- Clit 0.23 Rarely 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 452 is a poorly populated, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 111.183 | -19.257 | 0.266 | -1.297 | 0.672 | 68.423 |
| Li et al. | 2025 | 111.185 | -19.225 | 0.258 | -1.327 | 0.652 | â |
| Hu & Soubiran | 2025 | 111.186 | -19.255 | â | â | â | â |
| Hunt & Reffert | 2024 | 111.196 | -19.259 | 0.267 | -1.293 | 0.672 | 71.086 |
| Cavallo et al. | 2024 | 111.186 | -19.255 | 0.268 | â | â | â |
| Hunt & Reffert | 2023 | 111.196 | -19.259 | 0.267 | -1.293 | 0.672 | 71.086 |
| Jadhav & Subramaniam | 2021 | 111.185 | -19.225 | â | â | â | â |
| Cantat-Gaudin et al. | 2020 | 111.185 | -19.225 | 0.258 | -1.327 | 0.652 | â |
| Castro-Ginard et al. | 2020 | 111.18 | -19.237 | 0.257 | -1.325 | 0.64 | 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 | 3.39 | 1.2 | 0.95 | 646 | -0.108 | 222 | â | 0 |
| Li et al. | 2025 | 1.79 | 0.38 | â | 795 | -0.108 | â | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | -0.250(5) | â | â | â |
| Hunt & Reffert | 2024 | 3.53 | 1.20 | 0.95 | 405 | â | 205(1) | â | â |
| Cavallo et al. | 2024 | 2.81 | 1.23 | â | 646 | 0.000 | â | â | â |
| Hunt & Reffert | 2023 | 3.53 | 1.20 | 0.95 | 406 | â | â | â | â |
| Jadhav & Subramaniam | 2021 | 3.39 | 0.70 | â | 1000 | â | 238 | â | 0(1) |
| Cantat-Gaudin et al. | 2020 | 3.39 | 0.70 | â | 1000 | â | â | â | â |
| Kounkel et al. | 2020 | 3.24 | 1.92 | â | 380 | 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.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).