Theia 6978
0.00
UTI
0.77
CN
1.0
Cdens
0.75
CC3
0.25
Clit
0.0
Cdup
Radius (P>50% members)
2.6 [arcmin]
- CN 0.77 Rich
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 0.0 Very likely duplicate
Overview
Theia 6978 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, old cluster (see Parameters). It was recently reported in the literature.
â ī¸ Warning: This is very likely a duplicate object, which shares a large percentage of members with at least one previously reported entry. See table with shared members information.
Distant
Moderate extinction
Near-solar metallicity
Old
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 133.924 | -38.568 | 0.236 | -5.008 | 3.848 | 51.673 |
| Hu & Soubiran | 2025 | 133.918 | -38.564 | â | â | â | â |
| Hunt & Reffert | 2024 | 133.924 | -38.567 | 0.245 | -4.992 | 3.866 | 54.0 |
| Cavallo et al. | 2024 | 133.918 | -38.564 | 0.237 | â | â | â |
| Hunt & Reffert | 2023 | 133.924 | -38.567 | 0.245 | -4.992 | 3.866 | 54.0 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Hu & Soubiran | 2025 | â | â | â | â | -0.190* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 847* | â | â |
| Cavallo et al. | 2024 | 3.02 | 1.61 | â | 1288 | -0.410 | â | â | â |
| Hunt & Reffert | 2023 | 3.67 | 1.35 | 1.13 | 767 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.