UBC 493
0.58
UTI
0.32
CN
0.64
Cdens
0.75
CC3
0.6
Clit
1.0
Cdup
Radius (P>50% members)
6.4 [arcmin]
- CN 0.32 Poorly populated
- Cdens 0.64 Moderately dense
- CC3 0.75 High quality
- Clit 0.6 Moderately studied
- Cdup 1.0 Unique
Overview
UBC 493 is a poorly populated, moderately dense object of high C3 quality. Its parallax locates it at a relatively close distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is moderately studied in the literature.
Relatively close
Moderate extinction
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 141.202 | -57.386 | 0.588 | -7.446 | 5.726 | 8.325 |
| Li et al. | 2025 | 141.18 | -57.341 | 0.565 | -7.442 | 5.693 | â |
| Hu & Soubiran | 2025 | 141.191 | -57.355 | â | â | â | â |
| Almeida et al. | 2025 | 141.232 | -57.355 | â | â | â | â |
| Hunt & Reffert | 2024 | 141.188 | -57.336 | 0.591 | -7.439 | 5.729 | 8.976 |
| Cavallo et al. | 2024 | 141.191 | -57.355 | 0.591 | â | â | â |
| Hunt & Reffert | 2023 | 141.188 | -57.336 | 0.591 | -7.439 | 5.729 | 8.976 |
| Almeida et al. | 2023 | 141.245 | -57.363 | â | â | â | â |
| Dias et al. | 2021 | 141.232 | -57.355 | 0.575 | -7.455 | 5.677 | 8.462 |
| Cantat-Gaudin et al. | 2020 | 141.18 | -57.341 | 0.565 | -7.442 | 5.693 | â |
| Castro-Ginard et al. | 2020 | 141.21 | -57.353 | 0.568 | -7.44 | 5.694 | 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] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| Li et al. | 2025 | 1.52 | 0.81 | â | 1320 | -0.150 | â | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | -0.290* | â | â | â |
| Almeida et al. | 2025 | 1.74 | 1.12 | â | 757 | â | 170 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 125* | â | â |
| Cavallo et al. | 2024 | 1.53 | 1.05 | â | 1000 | -0.230 | â | â | â |
| Hunt & Reffert | 2023 | 1.67 | 0.56 | 0.60 | 750 | â | â | â | â |
| Almeida et al. | 2023 | 1.61 | 1.07 | â | 818 | -0.017 | 154* | 0.70 | â |
| Dias et al. | 2021 | 1.74 | 1.12 | â | 757 | 0.018 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 1.77 | 0.55 | â | 912 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Almeida et al. (2025)
Mass determination: intermediate fit. Isochrone match: good fit.
Cavallo et al. (2024)
Gold sample.