OC 0666
0.49
UTI
0.43
CN
1.0
Cdens
1.0
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
6.4 [arcmin]
- CN 0.43 Poorly populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
OC 0666 is a poorly populated, very dense object of very high C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is rarely studied in the literature.
Note: This object shares a large percentage of members with 2 later reported entries. See table with shared members information.
Very close
Moderate extinction
Near-solar metallicity
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 242.166 | -39.063 | 6.311 | -10.003 | -23.481 | -2.454 |
| Cavallo et al. | 2024 | 242.263 | -39.055 | 6.279 | â | â | â |
| Hunt & Reffert | 2023 | 242.191 | -39.085 | 6.277 | -9.866 | -23.496 | 3.819 |
| Hao et al. | 2022 | 242.143 | -39.076 | 6.314 | -9.81 | -23.501 | -4.243 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Cavallo et al. | 2024 | 0.16 | 2.12 | â | 9 | 0.010 | â | â | â |
| Hunt & Reffert | 2023 | 0.15 | 1.94 | 1.87 | 6 | â | â | â | â |
| Hao et al. | 2022 | â | 1.39 | â | 4 | 0.323 | â | â | â |


Cavallo et al. (2024)
Silver sample.
Hunt & Reffert (2024)
Classified as a moving group.