Theia 354
0.32
UTI
0.0
CN
0.86
Cdens
0.75
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
8.3 [arcmin]
- CN 0.0 Sparse
- Cdens 0.86 Dense
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
Theia 354 is a sparse, dense object of high C3 quality. Its parallax locates it at a close distance, near the mid-plane, affected by low extinction. It is catalogued as a low-mass, near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.
Close
Low extinction
Low mass
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 | 254.877 | -46.505 | 1.044 | 0.444 | -3.348 | 17.649 |
| Hunt & Reffert | 2024 | 254.828 | -46.506 | 1.036 | 0.449 | -3.348 | 18.039 |
| Cavallo et al. | 2024 | 254.914 | -46.521 | 1.037 | â | â | â |
| Hunt & Reffert | 2023 | 254.828 | -46.506 | 1.036 | 0.449 | -3.348 | 18.039 |
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 | 45* | â | â |
| Cavallo et al. | 2024 | 0.92 | 1.26 | â | 240 | -0.170 | â | â | â |
| Hunt & Reffert | 2023 | 0.92 | 0.73 | 0.64 | 240 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.