HSC 494
0.33
UTI
0.0
CN
0.51
Cdens
0.62
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
6.2 [arcmin]
- CN 0.0 Sparse
- Cdens 0.51 Moderately dense
- CC3 0.62 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
HSC 494 is a sparse, moderately dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, old cluster (see Parameters). It was recently reported in the literature.
Relatively close
Moderate extinction
Near-solar metallicity
Old
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 298.12 | 23.823 | 0.611 | 0.582 | -0.655 | 10.297 |
| Hu & Soubiran | 2025 | 298.174 | 23.862 | â | â | â | â |
| Hunt & Reffert | 2024 | 298.127 | 23.821 | 0.628 | 0.583 | -0.604 | 10.298 |
| Cavallo et al. | 2024 | 298.174 | 23.862 | 0.619 | â | â | â |
| Hunt & Reffert | 2023 | 298.127 | 23.821 | 0.628 | 0.583 | -0.604 | 10.298 |
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 | -0.060* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 73* | â | â |
| Cavallo et al. | 2024 | 1.78 | 1.94 | â | 1413 | 0.110 | â | â | â |
| Hunt & Reffert | 2023 | 1.55 | 1.94 | 1.17 | 798 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.