HSC 2520
0.30
UTI
0.5
CN
0.12
Cdens
0.75
CC3
0.06
Clit
1.0
Cdup
Nm (P>50%)
50
Core radius and density
3.9 [pc], 0.6 [pc-2]
- CN 0.5 Moderately populated
- Cdens 0.12 Very loose
- CC3 0.75 High quality
- Clit 0.06 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 2520 is a moderately populated, very loose object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by very high extinction. It is catalogued as a massive, near-solar metallicity, very 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 | 188.599 | -62.268 | 0.217 | -6.875 | -0.074 | -32.892 |
| Hunt & Reffert | 2024 | 188.576 | -62.258 | 0.237 | -6.812 | -0.112 | -32.835 |
| Cavallo et al. | 2024 | 189.11 | -62.274 | 0.237 | â | â | â |
| Hunt & Reffert | 2023 | 188.576 | -62.258 | 0.237 | -6.812 | -0.112 | -32.835 |
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 | 3.73 | 5.37 | 3.21 | 18 | -0.210 | 1317 | â | â |
| Hunt & Reffert | 2024 | 3.73 | 5.37 | 3.21 | 18 | â | 1317(1) | â | â |
| Cavallo et al. | 2024 | 3.16 | 5.25 | â | 30 | -0.210 | â | â | â |
| Hunt & Reffert | 2023 | 3.73 | 5.38 | 3.21 | 18 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Cavallo et al. (2024)
Bronze sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.02 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.02 (50th percentile).