HSC 308
0.40
UTI
0.25
CN
1.0
Cdens
0.75
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
1.6 [arcmin]
- CN 0.25 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 308 is a poorly populated, very dense 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 metal-poor, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Relatively close
Very high extinction
Metal-poor
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 280.205 | -0.776 | 0.399 | 0.665 | -1.444 | -27.236 |
| Hunt & Reffert | 2024 | 280.201 | -0.769 | 0.424 | 0.628 | -1.456 | 10.439 |
| Cavallo et al. | 2024 | 280.207 | -0.802 | 0.415 | â | â | â |
| Hunt & Reffert | 2023 | 280.201 | -0.769 | 0.424 | 0.628 | -1.456 | 10.439 |
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 | 883* | â | â |
| Cavallo et al. | 2024 | 1.76 | 5.95 | â | 138 | -0.500 | â | â | â |
| Hunt & Reffert | 2023 | 2.20 | 6.16 | 1.90 | 133 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.