UPK 189
0.29
UTI
0.0
CN
0.34
Cdens
0.62
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
12.3 [arcmin]
- CN 0.0 Sparse
- Cdens 0.34 Loose
- CC3 0.62 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
UPK 189 is a sparse, loose object of intermediate C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is poorly studied in the literature.
Close
Moderate extinction
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 332.965 | 65.564 | 1.015 | -2.604 | -3.409 | -18.997 |
| Hunt & Reffert | 2024 | 332.945 | 65.588 | 0.995 | -2.625 | -3.368 | -33.189 |
| Cavallo et al. | 2024 | 332.893 | 65.819 | 0.993 | â | â | â |
| Hunt & Reffert | 2023 | 332.945 | 65.588 | 0.995 | -2.625 | -3.368 | -33.189 |
| Sim et al. | 2019 | 332.913 | 65.568 | â | -2.65 | -3.32 | 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] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 92* | â | â |
| Cavallo et al. | 2024 | 0.99 | 1.75 | â | 52 | 0.250 | â | â | â |
| Hunt & Reffert | 2023 | 0.96 | 1.92 | 2.21 | 23 | â | â | â | â |
| Sim et al. | 2019 | 1.00 | â | â | 16 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.