HSC 498
0.35
UTI
0.25
CN
1.0
Cdens
0.5
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
2.7 [arcmin]
- CN 0.25 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.5 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
HSC 498 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Relatively close
High extinction
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 296.839 | 24.794 | 0.463 | -1.197 | -4.886 | â |
| Hunt & Reffert | 2024 | 296.834 | 24.774 | 0.457 | -1.209 | -4.857 | â |
| Cavallo et al. | 2024 | 296.843 | 24.783 | 0.456 | â | â | â |
| Hunt & Reffert | 2023 | 296.834 | 24.774 | 0.457 | -1.209 | -4.857 | 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 | 178* | â | â |
| Cavallo et al. | 2024 | 1.98 | 2.95 | â | 282 | 0.060 | â | â | â |
| Hunt & Reffert | 2023 | 2.08 | 3.17 | 1.93 | 31 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.