HSC 731
0.25
UTI
0.0
CN
0.24
Cdens
0.38
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
13.4 [arcmin]
- CN 0.0 Sparse
- Cdens 0.24 Very loose
- CC3 0.38 Low quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
HSC 731 is a sparse, very loose object of low C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Relatively close
Moderate 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 | 324.576 | 47.587 | 0.883 | -2.488 | -5.627 | -12.839 |
| Hu & Soubiran | 2025 | 324.596 | 47.587 | â | â | â | â |
| Zhang et al. | 2024 | 324.515 | 47.576 | â | â | â | â |
| Hunt & Reffert | 2024 | 324.515 | 47.576 | 0.876 | -2.492 | -5.641 | -9.296 |
| Cavallo et al. | 2024 | 324.596 | 47.587 | 0.879 | â | â | â |
| Hunt & Reffert | 2023 | 324.515 | 47.576 | 0.876 | -2.492 | -5.641 | -9.296 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Hu & Soubiran | 2025 | â | â | â | â | -0.110* | â | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.172* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 54* | â | â |
| Cavallo et al. | 2024 | 1.09 | 1.27 | â | 589 | -0.170 | â | â | â |
| Hunt & Reffert | 2023 | 1.10 | 1.22 | 2.06 | 389 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.