HSC 2178
0.12
UTI
0.0
CN
0.33
Cdens
0.25
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
4.2 [arcmin]
- CN 0.0 Sparse
- Cdens 0.33 Loose
- CC3 0.25 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 2178 is a sparse, loose object of low C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by high extinction. It is catalogued as a metal-rich, young 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.
Distant
High extinction
Metal-rich
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 137.637 | -46.986 | 0.328 | -3.96 | 3.913 | 83.805 |
| Hunt & Reffert | 2024 | 137.606 | -46.982 | 0.342 | -3.991 | 3.927 | 169.572 |
| Cavallo et al. | 2024 | 137.672 | -46.982 | 0.338 | â | â | â |
| Hunt & Reffert | 2023 | 137.606 | -46.982 | 0.342 | -3.991 | 3.927 | 169.572 |
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 | 374* | â | â |
| Cavallo et al. | 2024 | 3.37 | 4.69 | â | 42 | 0.520 | â | â | â |
| Hunt & Reffert | 2023 | 2.70 | 5.16 | 2.64 | 50 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Bronze sample.