UBC 1626
0.20
UTI
0.0
CN
0.11
Cdens
0.75
CC3
0.06
Clit
1.0
Cdup
Nm (P>50%)
19
Core radius and density
2.5 [pc], 0.5 [pc-2]
- CN 0.0 Sparse
- Cdens 0.11 Very loose
- CC3 0.75 High quality
- Clit 0.06 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
UBC 1626 is a sparse, very loose object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate 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 | 198.162 | -66.833 | 0.374 | -5.692 | -0.26 | -11.124 |
| Hunt & Reffert | 2024 | 198.112 | -66.845 | 0.37 | -5.659 | -0.269 | â |
| Cavallo et al. | 2024 | 198.153 | -66.827 | 0.37 | â | â | â |
| Hunt & Reffert | 2023 | 198.112 | -66.845 | 0.37 | -5.659 | -0.269 | â |
| Castro-Ginard et al. | 2022 | 198.18 | -66.84 | 0.37 | -5.69 | -0.28 | â |
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 | 2.48 | 1.15 | 0.95 | 132 | -0.360 | 99 | â | â |
| Hunt & Reffert | 2024 | 2.48 | 1.15 | 0.95 | 164 | â | 99(1) | â | â |
| Cavallo et al. | 2024 | 2.41 | 1.72 | â | 59 | -0.360 | â | â | â |
| Hunt & Reffert | 2023 | 2.48 | 1.15 | 0.95 | 164 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 2.81 | 0.98 | â | 101 | 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 genetic pair P191, along with Collinder_268.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.97 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.97 (50th percentile).