HSC 1590
0.22
UTI
0.0
CN
0.09
Cdens
0.38
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
21.7 [arcmin]
- CN 0.0 Sparse
- Cdens 0.09 Very loose
- CC3 0.38 Low quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
HSC 1590 is a sparse, very loose object of low C3 quality. Its parallax locates it at a relatively close distance, above 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 | 99.209 | 12.187 | 0.874 | -1.387 | -3.193 | 42.062 |
| Hu & Soubiran | 2025 | 99.216 | 12.16 | â | â | â | â |
| Zhang et al. | 2024 | 99.227 | 12.184 | â | â | â | â |
| Hunt & Reffert | 2024 | 99.227 | 12.184 | 0.873 | -1.461 | -3.116 | 19.819 |
| Cavallo et al. | 2024 | 99.216 | 12.16 | 0.873 | â | â | â |
| Hunt & Reffert | 2023 | 99.227 | 12.184 | 0.873 | -1.461 | -3.116 | 19.819 |
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 |
| Zhang et al. | 2024 | â | â | â | â | -0.256* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 70* | â | â |
| Cavallo et al. | 2024 | 0.99 | 1.39 | â | 1023 | -0.300 | â | â | â |
| Hunt & Reffert | 2023 | 1.05 | 0.94 | 0.96 | 335 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.