HSC 553
0.50
UTI
0.4
CN
0.83
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
4.6 [arcmin]
- CN 0.4 Poorly populated
- Cdens 0.83 Dense
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
HSC 553 is a poorly populated, dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Relatively close
Low 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 | 296.088 | 34.889 | 0.43 | -1.133 | -4.234 | -14.811 |
| Hu & Soubiran | 2025 | 296.099 | 34.879 | â | â | â | â |
| Hunt & Reffert | 2024 | 296.074 | 34.902 | 0.426 | -1.152 | -4.254 | -19.32 |
| Cavallo et al. | 2024 | 296.099 | 34.879 | 0.425 | â | â | â |
| Hunt & Reffert | 2023 | 296.074 | 34.902 | 0.426 | -1.152 | -4.254 | -19.32 |
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 | -0.250* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 73* | â | â |
| Cavallo et al. | 2024 | 2.32 | 1.17 | â | 537 | -0.100 | â | â | â |
| Hunt & Reffert | 2023 | 2.19 | 0.26 | 0.40 | 1285 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.