HSC 2552
0.28
UTI
0.42
CN
0.18
Cdens
0.75
CC3
0.03
Clit
1.0
Cdup
Nm (P>50%)
42
Core radius and density
1.5 [pc], 0.9 [pc-2]
- CN 0.42 Poorly populated
- Cdens 0.18 Very 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 2552 is a poorly populated, very loose object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, 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 | 195.094 | -60.604 | 0.46 | -4.306 | -1.242 | â |
| Hunt & Reffert | 2024 | 195.087 | -60.619 | 0.464 | -4.325 | -1.243 | â |
| Cavallo et al. | 2024 | 195.07 | -60.6 | 0.464 | â | â | â |
| Hunt & Reffert | 2023 | 195.087 | -60.619 | 0.464 | -4.325 | -1.243 | 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 | 2.05 | 1.07 | 1.18 | 22 | -0.170 | 199 | â | â |
| Hunt & Reffert | 2024 | 2.05 | 1.07 | 1.18 | 22 | â | 199(1) | â | â |
| Cavallo et al. | 2024 | 2.03 | 1.15 | â | 9 | -0.170 | â | â | â |
| Hunt & Reffert | 2023 | 2.05 | 1.07 | 1.18 | 22 | 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 G59, along with CWNU_277, CWNU_2692, NGC_4755, Ruprecht_105 and CWNU_2664.
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).