Theia 228
0.30
UTI
0.5
CN
0.62
Cdens
0.38
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
42.4 [arcmin]
- CN 0.5 Moderately populated
- Cdens 0.62 Moderately dense
- CC3 0.38 Low quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
Theia 228 is a moderately populated, moderately dense object of low C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.
Very close
Low 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 | 300.629 | 20.211 | 3.036 | 0.32 | -5.502 | -20.232 |
| Cavallo et al. | 2024 | 301.868 | 21.024 | 3.008 | â | â | â |
| Hunt & Reffert | 2023 | 300.308 | 19.648 | 2.981 | 0.62 | -5.343 | -22.303 |
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 | 0.35 | 0.44 | â | 54 | 0.300 | â | â | â |
| Hunt & Reffert | 2023 | 0.32 | 0.12 | 0.57 | 98 | â | â | â | â |
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as a moving group.