OC 0493
0.44
UTI
0.45
CN
0.24
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
3.7 [arcmin]
- CN 0.45 Poorly populated
- Cdens 0.24 Very loose
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
OC 0493 is a poorly populated, very loose object of very high C3 quality. Its parallax locates it at a large distance, below the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly studied in the literature.
Distant
Moderate extinction
Massive
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 | 131.515 | -48.148 | 0.174 | -3.031 | 3.76 | 55.66 |
| Hunt & Reffert | 2024 | 131.463 | -48.136 | 0.175 | -3.042 | 3.769 | 56.826 |
| Cavallo et al. | 2024 | 131.5 | -48.132 | 0.173 | â | â | â |
| Hunt & Reffert | 2023 | 131.463 | -48.136 | 0.175 | -3.042 | 3.769 | 56.826 |
| Hao et al. | 2022 | 131.536 | -48.163 | 0.179 | -3.051 | 3.76 | 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 | 1590* | â | â |
| Cavallo et al. | 2024 | 4.29 | 1.72 | â | 398 | 0.290 | â | â | â |
| Hunt & Reffert | 2023 | 5.16 | 2.00 | 1.86 | 206 | â | â | â | â |
| Hao et al. | 2022 | â | 1.70 | â | 158 | 0.537 | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.