UPK 226
0.34
UTI
0.63
CN
0.14
Cdens
0.75
CC3
0.1
Clit
1.0
Cdup
Nm (P>50%)
76
Core radius and density
3.7 [pc], 0.7 [pc-2]
- CN 0.63 Moderately populated
- Cdens 0.14 Very loose
- CC3 0.75 High quality
- Clit 0.1 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
UPK 226 is a moderately populated, very loose object of high C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, intermediate-age cluster (see Parameters). It is rarely studied in the literature.
Note: This object shares a significant percentage of members with a later 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 | 352.705 | 68.65 | 1.169 | -1.549 | -3.19 | -4.117 |
| Hunt & Reffert | 2024 | 352.373 | 68.692 | 1.164 | -1.554 | -3.165 | -0.359 |
| Cavallo et al. | 2024 | 352.907 | 68.632 | 1.164 | â | â | â |
| Hunt & Reffert | 2023 | 352.373 | 68.692 | 1.164 | -1.554 | -3.165 | -0.359 |
| He et al. | 2022 | 352.728 | 68.631 | 1.165 | -1.545 | -3.185 | â |
| Sim et al. | 2019 | 352.769 | 68.666 | â | -1.55 | -3.13 | 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 | 0.835 | 2.43 | 1.99 | 100 | 0.630 | 212 | â | â |
| Hunt & Reffert | 2024 | 0.81 | 2.43 | 1.99 | 81 | â | 212(1) | â | â |
| Cavallo et al. | 2024 | 0.97 | 2.29 | â | 112 | 0.630 | â | â | â |
| Hunt & Reffert | 2023 | 0.81 | 2.43 | 1.99 | 81 | â | â | â | â |
| He et al. | 2022 | â | 2.80 | â | 100 | â | â | â | â |
| Sim et al. | 2019 | 0.86 | â | â | 631 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD classes: 0.96 (50th percentile), true positive (human-assigned).
Hunt & Reffert (2023)
Classified as open cluster. CMD classes: 0.96 (50th percentile), true positive (human-assigned).