HSC 662
0.25
UTI
0.0
CN
0.42
Cdens
0.75
CC3
0.03
Clit
1.0
Cdup
Nm (P>50%)
22
Core radius and density
1.2 [pc], 2.1 [pc-2]
- CN 0.0 Sparse
- Cdens 0.42 Loose
- CC3 0.75 High quality
- Clit 0.03 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 662 is a sparse, loose object of high C3 quality. Its parallax locates it at a close distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, very 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 | 314.084 | 43.142 | 1.245 | -1.084 | -3.362 | -16.688 |
| Hunt & Reffert | 2024 | 314.062 | 43.127 | 1.265 | -1.076 | -3.313 | 11.525 |
| Cavallo et al. | 2024 | 314.087 | 43.135 | 1.265 | â | â | â |
| Hunt & Reffert | 2023 | 314.062 | 43.127 | 1.265 | -1.076 | -3.313 | 11.525 |
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 | 0.77 | 3.29 | 1.86 | 5 | 0.230 | 95 | â | â |
| Hunt & Reffert | 2024 | 0.77 | 3.29 | 1.86 | 5 | â | 95(1) | â | â |
| Cavallo et al. | 2024 | 0.92 | 2.93 | â | 4 | 0.230 | â | â | â |
| Hunt & Reffert | 2023 | 0.77 | 3.29 | 1.86 | 5 | 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 G188, along with UPK_127 and UPK_126.
Cavallo et al. (2024)
Silver sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.77 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.77 (50th percentile).