HSC 2870
0.34
UTI
0.0
CN
0.68
Cdens
1.0
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
3.3 [arcmin]
- CN 0.0 Sparse
- Cdens 0.68 Moderately dense
- CC3 1.0 Very high quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 2870 is a sparse, moderately 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 metal-poor, young cluster (see Parameters). It was recently reported in the literature.
Relatively close
High extinction
Metal-poor
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 258.627 | -39.809 | 0.385 | -0.671 | -1.436 | â |
| Hunt & Reffert | 2024 | 258.625 | -39.809 | 0.388 | -0.664 | -1.429 | â |
| Cavallo et al. | 2024 | 258.643 | -39.815 | 0.388 | â | â | â |
| Hunt & Reffert | 2023 | 258.625 | -39.809 | 0.388 | -0.664 | -1.429 | 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] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 771* | â | â |
| Cavallo et al. | 2024 | 2.95 | 3.17 | â | 132 | -0.710 | â | â | â |
| Hunt & Reffert | 2023 | 2.41 | 3.26 | 2.31 | 8 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.