OC 0494
0.46
UTI
0.5
CN
0.8
Cdens
0.5
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
1.9 [arcmin]
- CN 0.5 Moderately populated
- Cdens 0.8 Dense
- CC3 0.5 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
OC 0494 is a moderately populated, dense object of intermediate C3 quality. Its parallax locates it at a large distance, below the mid-plane, affected by high extinction. It is catalogued as a massive, near-solar metallicity, young cluster (see Parameters). It is poorly studied in the literature.
Very distant
High extinction
Massive
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 133.098 | -47.962 | 0.155 | -3.614 | 3.846 | 54.172 |
| Hunt & Reffert | 2024 | 133.092 | -47.963 | 0.152 | -3.605 | 3.846 | 54.002 |
| Cavallo et al. | 2024 | 133.105 | -47.956 | 0.155 | â | â | â |
| Hunt & Reffert | 2023 | 133.092 | -47.963 | 0.152 | -3.605 | 3.846 | 54.002 |
| Hao et al. | 2022 | 133.081 | -47.962 | 0.164 | -3.595 | 3.843 | 53.836 |
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 | 1793* | â | â |
| Cavallo et al. | 2024 | 4.72 | 3.34 | â | 51 | 0.350 | â | â | â |
| Hunt & Reffert | 2023 | 6.03 | 3.66 | 2.16 | 21 | â | â | â | â |
| Hao et al. | 2022 | â | 2.38 | â | 32 | 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.