Theia 2045
0.16
UTI
0.27
CN
0.13
Cdens
0.75
CC3
0.0
Clit
0.7
Cdup
Radius (P>50% members)
11.3 [arcmin]
- CN 0.27 Poorly populated
- Cdens 0.13 Very loose
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 0.7 Likely unique
Overview
Theia 2045 is a poorly populated, very loose object of high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a very metal-poor, young cluster (see Parameters). It was recently reported in the literature.
Note: This is likely a unique object, which shares a moderate percentage of members with at least one previously reported entry. See table with shared members information.
Relatively close
Moderate extinction
Very metal-poor
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 273.648 | -18.869 | 0.518 | 0.323 | -1.576 | 0.582 |
| Hunt & Reffert | 2024 | 273.654 | -18.791 | 0.522 | 0.309 | -1.574 | 0.582 |
| Cavallo et al. | 2024 | 273.521 | -18.975 | 0.522 | â | â | â |
| Hunt & Reffert | 2023 | 273.654 | -18.791 | 0.522 | 0.309 | -1.574 | 0.582 |
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 | 223* | â | â |
| Cavallo et al. | 2024 | 1.49 | 1.72 | â | 72 | -1.470 | â | â | â |
| Hunt & Reffert | 2023 | 1.83 | 1.26 | 1.93 | 28 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.