Theia 2000
0.28
UTI
0.39
CN
0.32
Cdens
0.62
CC3
0.03
Clit
1.0
Cdup
Nm (P>50%)
39
Core radius and density
1.8 [pc], 1.6 [pc-2]
- CN 0.39 Poorly populated
- Cdens 0.32 Loose
- CC3 0.62 Intermediate quality
- Clit 0.03 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 2000 is a poorly populated, loose object of intermediate C3 quality. Its parallax locates it at a relatively 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.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 114.109 | -25.377 | 0.732 | -4.95 | 4.86 | 26.834 |
| Hunt & Reffert | 2024 | 114.132 | -25.356 | 0.74 | -4.903 | 4.888 | 32.455 |
| Cavallo et al. | 2024 | 114.02 | -24.761 | 0.741 | â | â | â |
| Hunt & Reffert | 2023 | 114.132 | -25.356 | 0.74 | -4.903 | 4.888 | 32.455 |
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 | 1.27 | 0.38 | 1.75 | 21 | -0.150 | 92 | â | â |
| Hunt & Reffert | 2024 | 1.27 | 0.38 | 1.75 | 21 | â | 92(1) | â | â |
| Cavallo et al. | 2024 | 1.45 | 0.63 | â | 12 | -0.150 | â | â | â |
| Hunt & Reffert | 2023 | 1.27 | 0.38 | 1.75 | 21 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Cavallo et al. (2024)
Silver sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.68 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.68 (50th percentile).