HSC 1857
0.32
UTI
0.0
CN
1.0
Cdens
0.62
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
1.7 [arcmin]
- CN 0.0 Sparse
- Cdens 1.0 Very dense
- CC3 0.62 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 1857 is a sparse, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near 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 | 112.784 | -19.399 | 0.379 | -2.113 | 2.512 | â |
| Hunt & Reffert | 2024 | 112.775 | -19.402 | 0.378 | -2.112 | 2.491 | â |
| Cavallo et al. | 2024 | 112.783 | -19.394 | 0.374 | â | â | â |
| Hunt & Reffert | 2023 | 112.775 | -19.402 | 0.378 | -2.112 | 2.491 | 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 | 169* | â | â |
| Cavallo et al. | 2024 | 2.45 | 1.04 | â | 372 | 0.010 | â | â | â |
| Hunt & Reffert | 2023 | 2.37 | 1.23 | 0.57 | 61 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.