Theia 1654
0.42
UTI
0.52
CN
0.96
Cdens
0.62
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
9.3 [arcmin]
- CN 0.52 Moderately populated
- Cdens 0.96 Very dense
- CC3 0.62 Intermediate quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
Theia 1654 is a moderately populated, very dense object of intermediate C3 quality. Its parallax locates it at a relatively close 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.
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 | 106.273 | -10.442 | 0.806 | -3.134 | 0.717 | 38.824 |
| Hunt & Reffert | 2024 | 106.259 | -10.382 | 0.8 | -3.156 | 0.85 | 28.412 |
| Cavallo et al. | 2024 | 106.244 | -10.884 | 0.807 | â | â | â |
| Hunt & Reffert | 2023 | 106.259 | -10.382 | 0.8 | -3.156 | 0.85 | 28.412 |
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 | 81* | â | â |
| Cavallo et al. | 2024 | 1.52 | 1.41 | â | 15 | -0.020 | â | â | â |
| Hunt & Reffert | 2023 | 1.17 | 0.93 | 2.34 | 25 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Bronze sample.