Theia 1875
0.03
UTI
0.0
CN
0.16
Cdens
0.75
CC3
0.0
Clit
0.16
Cdup
Radius (P>50% members)
7.7 [arcmin]
- CN 0.0 Sparse
- Cdens 0.16 Very loose
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 0.16 Likely duplicate
Overview
Theia 1875 is a sparse, very loose object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.
â ī¸ Warning: This is likely a duplicate object, which shares a large percentage of members with at least one previously reported entry. See table with shared members information.
Relatively close
Moderate extinction
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 257.686 | -41.504 | 0.416 | -0.748 | -2.714 | -12.721 |
| Hunt & Reffert | 2024 | 257.632 | -41.615 | 0.414 | -0.75 | -2.721 | â |
| Cavallo et al. | 2024 | 257.637 | -41.627 | 0.414 | â | â | â |
| Hunt & Reffert | 2023 | 257.632 | -41.615 | 0.414 | -0.75 | -2.721 | 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 | 294* | â | â |
| Cavallo et al. | 2024 | 1.87 | 2.83 | â | 29 | 0.130 | â | â | â |
| Hunt & Reffert | 2023 | 2.42 | 2.76 | 0.35 | 13 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.