OC 0031
0.63
UTI
0.64
CN
1.0
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
1.8 [arcmin]
- CN 0.64 Moderately populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
OC 0031 is a moderately populated, very 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 massive, metal-rich, very young cluster (see Parameters). It is poorly studied in the literature.
Relatively close
High extinction
Massive
Metal-rich
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 276.291 | -13.28 | 0.478 | -0.44 | -2.287 | 35.967 |
| Hunt & Reffert | 2024 | 276.29 | -13.28 | 0.469 | -0.44 | -2.28 | 10.752 |
| Cavallo et al. | 2024 | 276.288 | -13.282 | 0.471 | â | â | â |
| Hunt & Reffert | 2023 | 276.29 | -13.28 | 0.469 | -0.44 | -2.28 | 10.752 |
| Hao et al. | 2022 | 276.291 | -13.279 | 0.489 | -0.455 | -2.315 | 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 | 2371* | â | â |
| Cavallo et al. | 2024 | 1.91 | 5.08 | â | 28 | 0.830 | â | â | â |
| Hunt & Reffert | 2023 | 1.97 | 4.95 | 2.93 | 11 | â | â | â | â |
| Hao et al. | 2022 | â | 3.29 | â | 1 | 0.611 | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Silver sample.