HSC 446
0.12
UTI
0.0
CN
0.22
Cdens
0.38
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
18.9 [arcmin]
- CN 0.0 Sparse
- Cdens 0.22 Very loose
- CC3 0.38 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 446 is a sparse, very loose object of low C3 quality. Its parallax locates it at a close distance, above 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.
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.
Close
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 | 290.043 | 20.821 | 1.271 | -1.398 | -3.047 | -2.814 |
| Hunt & Reffert | 2024 | 290.026 | 20.823 | 1.269 | -1.388 | -3.039 | -4.957 |
| Cavallo et al. | 2024 | 290.051 | 20.795 | 1.262 | â | â | â |
| Hunt & Reffert | 2023 | 290.026 | 20.823 | 1.269 | -1.388 | -3.039 | -4.957 |
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 | 79* | â | â |
| Cavallo et al. | 2024 | 0.97 | 4.51 | â | 240 | 0.430 | â | â | â |
| Hunt & Reffert | 2023 | 0.78 | 3.50 | 2.45 | 296 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.