HSC 1867
0.21
UTI
0.0
CN
0.18
Cdens
0.38
CC3
0.25
Clit
1.0
Cdup
Stellar density (N50/rad)
0.9 [N/pc2]
- CN 0.0 Sparse
- Cdens 0.18 Very loose
- CC3 0.38 Low quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
HSC 1867 is a sparse, very loose object of low C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by low extinction. It is catalogued as a low-mass, near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
â ī¸ Warning: the low UTI value and no obvious signs of duplication (Cdup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 115.585 | -18.275 | 0.882 | -2.372 | 0.041 | 29.796 |
| Hu & Soubiran | 2025 | 115.645 | -18.326 | â | â | â | â |
| Hunt & Reffert | 2024 | 115.75 | -18.481 | 0.878 | -2.371 | 0.039 | 37.421 |
| Cavallo et al. | 2024 | 115.645 | -18.326 | 0.876 | â | â | â |
| Hunt & Reffert | 2023 | 115.75 | -18.481 | 0.878 | -2.371 | 0.039 | 37.421 |
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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 1.105 | 0.425 | 0.46 | 374 | -0.260 | 46 | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | -0.140(5) | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 46(1) | â | â |
| Cavallo et al. | 2024 | 1.14 | 0.57 | â | 550 | -0.380 | â | â | â |
| Hunt & Reffert | 2023 | 1.07 | 0.28 | 0.46 | 198 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Cavallo et al. (2024)
Gold sample.