HSC 643
0.34
UTI
0.32
CN
1.0
Cdens
0.38
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
2.0 [arcmin]
- CN 0.32 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.38 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 643 is a poorly populated, very dense object of low C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by very high extinction. It is catalogued as a metal-rich, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Distant
Very high extinction
Metal-rich
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 312.71 | 41.735 | 0.31 | -2.131 | -3.309 | -63.721 |
| Hunt & Reffert | 2024 | 312.707 | 41.72 | 0.308 | -2.137 | -3.322 | -32.94 |
| Cavallo et al. | 2024 | 312.696 | 41.76 | 0.31 | â | â | â |
| Hunt & Reffert | 2023 | 312.707 | 41.72 | 0.308 | -2.137 | -3.322 | -32.94 |
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 | 409* | â | â |
| Cavallo et al. | 2024 | 3.72 | 4.77 | â | 110 | 0.800 | â | â | â |
| Hunt & Reffert | 2023 | 2.95 | 5.46 | 2.25 | 99 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Wood sample.