HSC 1870
0.28
UTI
0.28
CN
0.39
Cdens
0.75
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
4.0 [arcmin]
- CN 0.28 Poorly populated
- Cdens 0.39 Loose
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 1870 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, 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
Moderate 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 | 115.02 | -19.088 | 0.306 | -2.078 | 2.988 | â |
| Hunt & Reffert | 2024 | 115.019 | -19.09 | 0.296 | -2.086 | 2.976 | 78.879 |
| Cavallo et al. | 2024 | 115.048 | -19.077 | 0.306 | â | â | â |
| Hunt & Reffert | 2023 | 115.019 | -19.09 | 0.296 | -2.086 | 2.976 | 78.879 |
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 | 253* | â | â |
| Cavallo et al. | 2024 | 3.27 | 1.03 | â | 123 | 0.560 | â | â | â |
| Hunt & Reffert | 2023 | 2.86 | 1.00 | 1.46 | 82 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.