HSC 2818
0.30
UTI
0.0
CN
1.0
Cdens
0.5
CC3
0.0
Clit
1.0
Cdup
Stellar density (N50/rad)
5.1 [N/pc2]
- CN 0.0 Sparse
- 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 2818 is a sparse, very dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 247.687 | -43.901 | 0.715 | 0.991 | -2.163 | â |
| Hunt & Reffert | 2024 | 247.745 | -43.918 | 0.715 | 0.985 | -2.222 | â |
| Cavallo et al. | 2024 | 247.715 | -43.905 | 0.715 | â | â | â |
| Hunt & Reffert | 2023 | 247.745 | -43.918 | 0.715 | 0.985 | -2.222 | 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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 1.515 | 2.525 | 1.02 | 26 | 0.160 | 181 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 181(1) | â | â |
| Cavallo et al. | 2024 | 1.71 | 2.54 | â | 22 | 0.160 | â | â | â |
| Hunt & Reffert | 2023 | 1.32 | 2.51 | 1.02 | 31 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Palma et al. (2025)
Classified as optical pair P490, along with UBC_319.
Cavallo et al. (2024)
Gold sample.