Theia 3686
0.07
UTI
0.0
CN
0.1
Cdens
0.25
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
10.5 [arcmin]
- CN 0.0 Sparse
- Cdens 0.1 Very loose
- CC3 0.25 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
Theia 3686 is a sparse, very loose object of low C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
â ī¸ Warning: the low UTI value and no obvious signs of duplication (Cdup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.
Relatively close
Low extinction
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 | 109.658 | -7.899 | 0.434 | -3.115 | 2.82 | â |
| Cavallo et al. | 2024 | 109.407 | -7.624 | 0.439 | â | â | â |
| Hunt & Reffert | 2023 | 109.699 | -7.928 | 0.438 | -3.135 | 2.789 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Cavallo et al. | 2024 | 2.20 | 0.68 | â | 200 | -0.150 | â | â | â |
| Hunt & Reffert | 2023 | 2.03 | 0.11 | 0.41 | 293 | â | â | â | â |
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.