HSC 858
0.25
UTI
0.0
CN
0.75
Cdens
0.5
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
2.4 [arcmin]
- CN 0.0 Sparse
- Cdens 0.75 Dense
- CC3 0.5 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 858 is a sparse, dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a 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.
Distant
High 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 | 344.559 | 60.208 | 0.289 | -2.37 | -2.912 | â |
| Hunt & Reffert | 2024 | 344.542 | 60.208 | 0.282 | -2.409 | -2.914 | â |
| Cavallo et al. | 2024 | 344.645 | 60.214 | 0.276 | â | â | â |
| Hunt & Reffert | 2023 | 344.542 | 60.208 | 0.282 | -2.409 | -2.914 | 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 | 351* | â | â |
| Cavallo et al. | 2024 | 3.72 | 4.05 | â | 141 | 0.450 | â | â | â |
| Hunt & Reffert | 2023 | 3.37 | 3.89 | 1.99 | 190 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Silver sample.