HSC 430
0.14
UTI
0.0
CN
0.22
Cdens
0.5
CC3
0.0
Clit
1.0
Cdup
Nm (P>50%)
21
Core radius and density
1.8 [pc], 1.1 [pc-2]
- CN 0.0 Sparse
- Cdens 0.22 Very loose
- 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 430 is a sparse, very loose 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 very young cluster (see Parameters). It was recently reported in the literature.
â ī¸ Warning: the low UTI value and no obvious signs of duplication (Cdup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 292.785 | 16.709 | 0.347 | -2.321 | -5.551 | â |
| Hunt & Reffert | 2024 | 292.786 | 16.719 | 0.355 | -2.334 | -5.557 | â |
| Hunt & Reffert | 2023 | 292.786 | 16.719 | 0.355 | -2.334 | -5.557 | 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 | 2.64 | 3.2 | 1.18 | 16 | â | 190 | â | â |
| Hunt & Reffert | 2024 | 2.64 | 3.20 | 1.18 | 16 | â | 190(1) | â | â |
| Hunt & Reffert | 2023 | 2.64 | 3.20 | 1.18 | 16 | 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 P503, along with HSC_432.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.98 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.98 (50th percentile).