HSC 1575
0.15
UTI
0.0
CN
0.12
Cdens
0.12
CC3
0.25
Clit
1.0
Cdup
Stellar density (N50/rad)
0.6 [N/pc2]
- CN 0.0 Sparse
- Cdens 0.12 Very loose
- CC3 0.12 Very low quality
- Clit 0.25 Poorly 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 1575 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a close distance, near 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.
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 | 96.116 | 13.11 | 1.697 | 0.889 | -3.265 | 2.46 |
| Hu & Soubiran | 2025 | 96.018 | 13.269 | â | â | â | â |
| Zhang et al. | 2024 | 96.145 | 13.077 | â | â | â | â |
| Cavallo et al. | 2024 | 96.018 | 13.269 | 1.705 | â | â | â |
| Hunt & Reffert | 2023 | 96.145 | 13.077 | 1.701 | 0.87 | -3.283 | 7.269 |
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 | 0.575 | 0.3 | 0.89 | 468 | -0.280 | â | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | -0.280(5) | â | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.139(1) | â | â | â |
| Cavallo et al. | 2024 | 0.59 | 0.45 | â | 575 | -0.380 | â | â | â |
| Hunt & Reffert | 2023 | 0.56 | 0.15 | 0.89 | 361 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.