UPK 198
0.37
UTI
0.3
CN
0.41
Cdens
0.5
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
15.2 [arcmin]
- CN 0.3 Poorly populated
- Cdens 0.41 Loose
- CC3 0.5 Intermediate quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
UPK 198 is a poorly populated, 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, intermediate-age cluster (see Parameters). It is poorly studied in the literature.
Close
Moderate extinction
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 341.376 | 64.045 | 1.161 | -4.857 | -2.186 | -6.095 |
| Hunt & Reffert | 2024 | 341.514 | 64.088 | 1.155 | -4.824 | -2.313 | -9.439 |
| Cavallo et al. | 2024 | 340.527 | 63.851 | 1.159 | â | â | â |
| Hunt & Reffert | 2023 | 341.514 | 64.088 | 1.155 | -4.824 | -2.313 | -9.439 |
| He et al. | 2022 | 341.473 | 64.073 | 1.16 | -4.853 | -2.172 | â |
| Sim et al. | 2019 | 341.394 | 64.034 | â | -4.9 | -2.14 | 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 | 75* | â | â |
| Cavallo et al. | 2024 | 0.91 | 2.15 | â | 145 | 0.280 | â | â | â |
| Hunt & Reffert | 2023 | 0.82 | 2.14 | 1.28 | 91 | â | â | â | â |
| He et al. | 2022 | â | 2.30 | â | 50 | â | â | â | â |
| Sim et al. | 2019 | 0.84 | â | â | 398 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.