HSC 56
0.39
UTI
0.46
CN
1.0
Cdens
0.5
CC3
0.0
Clit
1.0
Cdup
Stellar density (N50/rad)
6.0 [N/pc2]
- CN 0.46 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.5 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
đĨ Members
đ Colab
đŦ Bayestar19
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
Overview
HSC 56 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, metal-poor, young cluster (see Parameters). It was recently reported in the literature.
Note: This object shares a significant percentage of members with a later reported entry. See table with shared members information.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 268.435 | -25.108 | 0.327 | -0.233 | -2.118 | -5.149 |
| Hunt & Reffert | 2024 | 268.429 | -25.105 | 0.324 | -0.257 | -2.127 | 94.495 |
| Cavallo et al. | 2024 | 268.448 | -25.115 | 0.322 | â | â | â |
| Hunt & Reffert | 2023 | 268.429 | -25.105 | 0.324 | -0.257 | -2.127 | 94.495 |
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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 2.495 | 4.775 | 2.88 | 32 | -0.880 | 1831 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 1831(1) | â | â |
| Cavallo et al. | 2024 | 2.12 | 5.25 | â | 11 | -0.880 | â | â | â |
| Hunt & Reffert | 2023 | 2.87 | 4.30 | 2.88 | 54 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Palma et al. (2025)
Part of multiple system G183, along with UBC_93 and CWNU_2379.
Cavallo et al. (2024)
Bronze sample.