HSC 2569
0.25
UTI
0.26
CN
0.17
Cdens
0.75
CC3
0.03
Clit
1.0
Cdup
Nm (P>50%)
26
Core radius and density
1.8 [pc], 0.9 [pc-2]
- CN 0.26 Poorly populated
- Cdens 0.17 Very loose
- CC3 0.75 High quality
- Clit 0.03 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 2569 is a poorly populated, very loose object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age 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 | 199.038 | -63.385 | 0.476 | -5.501 | -1.359 | -6.995 |
| Hunt & Reffert | 2024 | 199.092 | -63.369 | 0.479 | -5.518 | -1.356 | â |
| Cavallo et al. | 2024 | 199.054 | -63.399 | 0.48 | â | â | â |
| Hunt & Reffert | 2023 | 199.092 | -63.369 | 0.479 | -5.518 | -1.356 | 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 | 1.98 | 1.22 | 0.58 | 127 | 0.240 | 166 | â | â |
| Hunt & Reffert | 2024 | 1.98 | 1.22 | 0.58 | 127 | â | 166(1) | â | â |
| Cavallo et al. | 2024 | 2.05 | 1.51 | â | 269 | 0.240 | â | â | â |
| Hunt & Reffert | 2023 | 1.98 | 1.22 | 0.58 | 127 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Palma et al. (2025)
Part of multiple system G160, along with HSC_2576 and NGC_5045.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).