HSC 340
0.32
UTI
0.0
CN
1.0
Cdens
0.62
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
2.3 [arcmin]
- CN 0.0 Sparse
- Cdens 1.0 Very dense
- CC3 0.62 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 340 is a sparse, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by very high extinction. It is catalogued as a very massive, old cluster (see Parameters). It was recently reported in the literature.
Relatively close
Very high extinction
Very massive
Old
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 285.491 | 2.326 | 0.442 | 0.08 | -1.43 | -0.367 |
| Hunt & Reffert | 2024 | 285.491 | 2.322 | 0.459 | 0.097 | -1.432 | â |
| Hunt & Reffert | 2023 | 285.491 | 2.322 | 0.459 | 0.097 | -1.432 | â |
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 | 5103* | â | â |
| Hunt & Reffert | 2023 | 1.97 | 5.30 | 1.94 | 3273 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

