HSC 818
0.50
UTI
0.27
CN
1.0
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
1.8 [arcmin]
- CN 0.27 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
HSC 818 is a poorly populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near 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.
Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.
Distant
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 | 337.024 | 58.167 | 0.256 | -5.571 | -3.397 | -65.414 |
| Hu & Soubiran | 2025 | 337.054 | 58.183 | â | â | â | â |
| Hunt & Reffert | 2024 | 337.019 | 58.165 | 0.247 | -5.56 | -3.389 | -65.412 |
| Cavallo et al. | 2024 | 337.054 | 58.183 | 0.244 | â | â | â |
| Hunt & Reffert | 2023 | 337.019 | 58.165 | 0.247 | -5.56 | -3.389 | -65.412 |
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 | -0.130* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 281* | â | â |
| Cavallo et al. | 2024 | 2.92 | 1.85 | â | 794 | -0.050 | â | â | â |
| Hunt & Reffert | 2023 | 3.65 | 2.40 | 1.20 | 199 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.