HSC 2800
0.40
UTI
0.0
CN
1.0
Cdens
1.0
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
2.2 [arcmin]
- CN 0.0 Sparse
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 2800 is a sparse, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a very 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.
Distant
High extinction
Very metal-poor
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 249.181 | -46.324 | 0.327 | -2.245 | -3.881 | -48.265 |
| Hunt & Reffert | 2024 | 249.188 | -46.323 | 0.319 | -2.246 | -3.874 | -24.448 |
| Cavallo et al. | 2024 | 249.165 | -46.315 | 0.319 | â | â | â |
| Hunt & Reffert | 2023 | 249.188 | -46.323 | 0.319 | -2.246 | -3.874 | -24.448 |
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] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 741* | â | â |
| Cavallo et al. | 2024 | 3.09 | 4.46 | â | 60 | -1.150 | â | â | â |
| Hunt & Reffert | 2023 | 3.10 | 3.85 | 2.09 | 102 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.