Theia 613
0.02
UTI
0.0
CN
0.32
Cdens
0.12
CC3
0.0
Clit
0.24
Cdup
Nm (P>50%)
22
Core radius and density
1.1 [pc], 1.6 [pc-2]
- CN 0.0 Sparse
- Cdens 0.32 Loose
- CC3 0.12 Very low quality
- Clit 0.0 Rarely studied
- Cdup 0.24 Likely duplicate
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 613 is a sparse, loose object of very low C3 quality. Its parallax locates it at a very close distance, below the mid-plane, affected by high extinction. It is catalogued as an old cluster (see Parameters). It is rarely studied in the literature.
â ī¸ Warning: This is likely a duplicate object, which shares a large percentage of members with at least one previously reported entry. See table with shared members information.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 119.575 | -60.754 | 2.732 | -5.142 | 10.889 | 25.561 |
| Hunt & Reffert | 2023 | 119.415 | -60.892 | 3.053 | -5.211 | 10.751 | â |
| Kounkel & Covey | 2019 | 119.26 | -60.564 | 2.407 | â | â | 11.533 |
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 | 0.38 | 3.125 | 1.37 | 2224 | â | â | â | â |
| Hunt & Reffert | 2023 | 0.36 | 6.00 | 1.37 | 4198 | â | â | â | â |
| Kounkel & Covey | 2019 | 0.40 | 0.25 | â | 251 | â | â | â | â |
Palma et al. (2025)
Part of multiple system G247, along with UPK_545 and UPK_540.
Hunt & Reffert (2024)
Classified as moving group. CMD class: 0.34 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.34 (50th percentile).