HSC 304
0.52
UTI
0.62
CN
1.0
Cdens
1.0
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
2.6 [arcmin]
- CN 0.62 Moderately populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 304 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by high extinction. It is catalogued as a massive, 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.
Relatively close
High extinction
Massive
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 | 280.535 | -1.542 | 0.286 | -1.551 | -3.664 | 19.182 |
| Hunt & Reffert | 2024 | 280.533 | -1.546 | 0.285 | -1.556 | -3.678 | 20.872 |
| Cavallo et al. | 2024 | 280.542 | -1.559 | 0.288 | â | â | â |
| Hunt & Reffert | 2023 | 280.533 | -1.546 | 0.285 | -1.556 | -3.678 | 20.872 |
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 | 1675* | â | â |
| Cavallo et al. | 2024 | 2.67 | 4.59 | â | 295 | -0.070 | â | â | â |
| Hunt & Reffert | 2023 | 2.96 | 4.83 | 2.92 | 142 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.