HSC 517
0.01
UTI
0.0
CN
0.06
Cdens
0.0
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
223.6 [arcmin]
- CN 0.0 Sparse
- Cdens 0.06 Very loose
- CC3 0.0 Very low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 517 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, 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.
Very close
Low extinction
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 302.575 | 25.154 | 8.727 | 6.748 | -9.558 | -12.561 |
| Cavallo et al. | 2024 | 299.426 | 27.372 | 9.311 | â | â | â |
| Hunt & Reffert | 2023 | 304.803 | 24.819 | 9.322 | 6.981 | -9.255 | -23.66 |
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 | 0.11 | 0.71 | â | 123 | 0.180 | â | â | â |
| Hunt & Reffert | 2023 | 0.11 | 0.17 | 0.50 | 47 | â | â | â | â |


Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.