HSC 285
0.49
UTI
0.45
CN
1.0
Cdens
1.0
CC3
0.0
Clit
1.0
Cdup
Stellar density (N50/rad)
13.9 [N/pc2]
- CN 0.45 Poorly populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high 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 285 is a poorly populated, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by very high extinction. It is catalogued as a metal-poor, young cluster (see Parameters). It was recently reported in the literature.
Note: This object shares a large 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 | 280.905 | -3.816 | 0.307 | -0.726 | -1.88 | 44.129 |
| Hunt & Reffert | 2024 | 280.907 | -3.814 | 0.302 | -0.733 | -1.899 | 70.223 |
| Cavallo et al. | 2024 | 280.902 | -3.815 | 0.301 | â | â | â |
| Hunt & Reffert | 2023 | 280.907 | -3.814 | 0.302 | -0.733 | -1.899 | 70.223 |
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 | 2.85 | 5.115 | 2.31 | 48 | -0.580 | 964 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 964(1) | â | â |
| Cavallo et al. | 2024 | 2.74 | 5.20 | â | 46 | -0.580 | â | â | â |
| Hunt & Reffert | 2023 | 2.96 | 5.03 | 2.31 | 50 | 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 P301, along with CWNU_1292.
Cavallo et al. (2024)
Gold sample.