HSC 1390
0.13
UTI
0.0
CN
0.1
Cdens
0.62
CC3
0.0
Clit
0.92
Cdup
Radius (P>50% members)
106.7 [arcmin]
- CN 0.0 Sparse
- Cdens 0.1 Very loose
- CC3 0.62 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 0.92 Very likely unique
Overview
HSC 1390 is a sparse, very loose object of intermediate C3 quality. Its parallax locates it at a very close distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, old cluster (see Parameters). It was recently reported in the literature.
Note: This is very likely a unique object, which shares a very small percentage of members with at least one previously reported entry, and a very small percentage with at least one entry reported in the same catalogue. See table with shared members information.
â ī¸ Warning: the low UTI value and no obvious signs of duplication (Cdup=0.92) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.
Very close
Low extinction
Near-solar metallicity
Old
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 66.796 | 18.557 | 4.411 | 4.002 | -8.099 | 17.55 |
| Cavallo et al. | 2024 | 67.22 | 18.474 | 4.442 | â | â | â |
| Hunt & Reffert | 2023 | 65.871 | 18.631 | 4.426 | 4.209 | -8.111 | 12.786 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Cavallo et al. | 2024 | 0.24 | 0.66 | â | 33 | 0.250 | â | â | â |
| Hunt & Reffert | 2023 | 0.23 | 1.13 | 0.60 | 2188 | â | â | â | â |
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.