HSC 2531
0.30
UTI
0.0
CN
0.99
Cdens
0.5
CC3
0.0
Clit
1.0
Cdup
Stellar density (N50/rad)
4.9 [N/pc2]
- CN 0.0 Sparse
- Cdens 0.99 Very dense
- 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 2531 is a sparse, very dense object of intermediate 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 | 191.626 | -61.195 | 0.458 | -4.851 | -1.018 | -11.16 |
| Hunt & Reffert | 2024 | 191.641 | -61.19 | 0.457 | -4.887 | -0.982 | â |
| Cavallo et al. | 2024 | 191.648 | -61.178 | 0.458 | â | â | â |
| Hunt & Reffert | 2023 | 191.641 | -61.19 | 0.457 | -4.887 | -0.982 | 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 | 1.99 | 2.445 | 2.19 | 51 | -0.450 | 206 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 206(1) | â | â |
| Cavallo et al. | 2024 | 1.90 | 2.54 | â | 25 | -0.450 | â | â | â |
| Hunt & Reffert | 2023 | 2.08 | 2.35 | 2.19 | 77 | 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 tidal capture (resonant trapping pair) P41, along with UBC_287.
Cavallo et al. (2024)
Gold sample.