Theia 782
0.20
UTI
0.26
CN
0.07
Cdens
0.62
CC3
0.03
Clit
1.0
Cdup
Nm (P>50%)
26
Core radius and density
3.1 [pc], 0.4 [pc-2]
- CN 0.26 Poorly populated
- Cdens 0.07 Very 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 782 is a poorly populated, very loose object of intermediate C3 quality. Its parallax locates it at a close distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.
â ī¸ Warning: the low UTI value and no obvious signs of duplication (Cdup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 198.459 | -69.513 | 1.054 | -10.474 | -4.844 | -15.437 |
| Cavallo et al. | 2024 | 197.193 | -69.541 | 1.053 | â | â | â |
| Hunt & Reffert | 2023 | 199.082 | -69.484 | 1.053 | -10.528 | -4.738 | -16.648 |
| Kounkel & Covey | 2019 | 195.254 | -69.866 | 1.101 | â | â | -8.444 |
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 | 0.91 | 0.6 | 0.63 | 200 | 0.310 | â | â | â |
| Cavallo et al. | 2024 | 0.97 | 0.91 | â | 200 | 0.310 | â | â | â |
| Hunt & Reffert | 2023 | 0.90 | 0.52 | 0.63 | 200 | â | â | â | â |
| Kounkel & Covey | 2019 | 0.91 | 0.60 | â | 379 | â | â | â | â |
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as moving group. CMD class: 1.00 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).