HSC 660
0.33
UTI
0.4
CN
1.0
Cdens
0.25
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
1.6 [arcmin]
- CN 0.4 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.25 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 660 is a poorly populated, very dense object of low C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by high extinction. It is catalogued as a metal-rich, young cluster (see Parameters). It was recently reported in the literature.
Note: This object shares a significant percentage of members with a later reported entry. See table with shared members information.
Distant
High extinction
Metal-rich
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 310.898 | 44.916 | 0.31 | -3.089 | -4.826 | â |
| Hunt & Reffert | 2024 | 310.902 | 44.918 | 0.304 | -3.092 | -4.807 | â |
| Cavallo et al. | 2024 | 310.711 | 44.859 | 0.304 | â | â | â |
| Hunt & Reffert | 2023 | 310.902 | 44.918 | 0.304 | -3.092 | -4.807 | â |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 580* | â | â |
| Cavallo et al. | 2024 | 3.82 | 3.34 | â | 112 | 0.790 | â | â | â |
| Hunt & Reffert | 2023 | 2.87 | 4.31 | 3.16 | 27 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Wood sample.