Theia 1858
0.16
UTI
0.75
CN
0.75
Cdens
0.75
CC3
0.0
Clit
0.36
Cdup
Radius (P>50% members)
16.0 [arcmin]
- CN 0.75 Rich
- Cdens 0.75 Dense
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 0.36 Possibly duplicate
Overview
Theia 1858 is a rich, dense object of high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, young cluster (see Parameters). It was recently reported in the literature.
â ī¸ Warning: This is possibly a duplicate object, which shares a significant percentage of members with at least one previously reported entry. See table with shared members information.
Relatively close
Moderate extinction
Metal-rich
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 135.75 | -46.727 | 0.87 | -6.089 | 3.987 | 8.702 |
| Hunt & Reffert | 2024 | 135.734 | -46.726 | 0.854 | -6.045 | 3.961 | 19.058 |
| Cavallo et al. | 2024 | 135.676 | -46.698 | 0.856 | â | â | â |
| Hunt & Reffert | 2023 | 135.734 | -46.726 | 0.854 | -6.045 | 3.961 | 19.058 |
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 | 476* | â | â |
| Cavallo et al. | 2024 | 1.32 | 2.85 | â | 41 | 0.690 | â | â | â |
| Hunt & Reffert | 2023 | 1.12 | 2.96 | 2.72 | 29 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.