HSC 1822
0.27
UTI
0.0
CN
0.11
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
4.1 [arcmin]
- CN 0.0 Sparse
- Cdens 0.11 Very loose
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
HSC 1822 is a sparse, very loose object of high C3 quality. Its parallax locates it at a large distance, near the mid-plane, affected by moderate extinction. It is catalogued as a metal-poor, old cluster (see Parameters). It was recently reported in the literature.
Distant
Moderate extinction
Metal-poor
Old
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 110.727 | -16.086 | 0.195 | -0.402 | 1.273 | 79.529 |
| Hu & Soubiran | 2025 | 110.731 | -16.111 | â | â | â | â |
| Hunt & Reffert | 2024 | 110.703 | -16.086 | 0.184 | -0.399 | 1.292 | 78.156 |
| Cavallo et al. | 2024 | 110.731 | -16.111 | 0.186 | â | â | â |
| Hunt & Reffert | 2023 | 110.703 | -16.086 | 0.184 | -0.399 | 1.292 | 78.156 |
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 | -0.450* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 697* | â | â |
| Cavallo et al. | 2024 | 4.74 | 3.03 | â | 4571 | -0.750 | â | â | â |
| Hunt & Reffert | 2023 | 4.63 | 2.65 | 1.00 | 5297 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.