Theia 240
0.35
UTI
0.0
CN
1.0
Cdens
0.75
CC3
0.0
Clit
1.0
Cdup
Stellar density (N50/rad)
6.4 [N/pc2]
- CN 0.0 Sparse
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
đĨ Members
đ Colab
đŦ Bayestar19
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
Overview
Theia 240 is a sparse, very dense object of high C3 quality. Its parallax locates it at a very 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.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 279.283 | -20.38 | 2.433 | -0.027 | -4.909 | -12.611 |
| Hunt & Reffert | 2024 | 279.192 | -20.357 | 2.387 | 0.056 | -4.837 | -13.036 |
| Cavallo et al. | 2024 | 279.093 | -20.055 | 2.394 | â | â | â |
| Hunt & Reffert | 2023 | 279.192 | -20.357 | 2.387 | 0.056 | -4.837 | -13.036 |
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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 0.41 | 1.3 | 0.74 | 68 | -0.190 | 54 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 54(1) | â | â |
| Cavallo et al. | 2024 | 0.42 | 1.60 | â | 25 | -0.190 | â | â | â |
| Hunt & Reffert | 2023 | 0.40 | 1.00 | 0.74 | 110 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Palma et al. (2025)
Classified as optical pair P575, along with Theia_828.
Cavallo et al. (2024)
Gold sample.