HSC 3
0.42
UTI
0.0
CN
0.59
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
6.0 [arcmin]
- CN 0.0 Sparse
- Cdens 0.59 Moderately dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
HSC 3 is a sparse, moderately dense object of very 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 was recently reported 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 | 273.732 | -31.902 | 0.642 | 0.364 | 0.253 | -15.185 |
| Hu & Soubiran | 2025 | 273.676 | -31.95 | â | â | â | â |
| Hunt & Reffert | 2024 | 273.735 | -31.875 | 0.647 | 0.371 | 0.21 | -19.7 |
| Cavallo et al. | 2024 | 273.676 | -31.95 | 0.649 | â | â | â |
| Hunt & Reffert | 2023 | 273.735 | -31.875 | 0.647 | 0.371 | 0.21 | -19.7 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Hu & Soubiran | 2025 | â | â | â | â | 0.140* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 62* | â | â |
| Cavallo et al. | 2024 | 1.34 | 1.18 | â | 708 | -0.100 | â | â | â |
| Hunt & Reffert | 2023 | 1.53 | 0.98 | 0.64 | 561 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.