Theia 618
Summary
Theia 618 is a sparse, very loose object of low C3 quality. It is located at a close distance from the Sun, below the mid-plane. It was recently reported in the literature.
Warning: contains less than 25 stars with P>0.5 estimated.
Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicates that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Hunt & Reffert (2023) | 5.286 | 55.784 | 1.382 | 0.192 | -5.079 | -7.607 |
| Cavallo et al. (2024) | 4.992 | 55.58 | 1.389 | – | – | – |
| Hu & Soubiran (2025) | 4.992 | 55.58 | – | – | – | – |
| UCC | 4.97 | 55.705 | 1.386 | 0.187 | -4.939 | -12.884 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Hunt & Reffert (2023) | AV50=0.651, diffAV50=0.241, MOD50=9.208, logAge50=8.425 |
| Cavallo et al. (2024) | AV50=0.64, dMod50=9.22, logAge50=8.91, [Fe/H]50=0.0 |
| Hu & Soubiran (2025) | MA22=-0.1, MA23f=-0.17, MZ23=0.01, MK24=-0.05, MF24=-0.09 |
Search coordinates in Bayestar19