UBC 146
0.69
UTI
0.81
CN
1.0
Cdens
1.0
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
5.3 [arcmin]
- CN 0.81 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 146 is a rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, young cluster (see Parameters). It is poorly studied in the literature.
Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.
Relatively close
Moderate extinction
Massive
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 309.368 | 46.471 | 0.435 | -4.034 | -4.326 | -10.874 |
| Hunt & Reffert | 2024 | 309.357 | 46.473 | 0.433 | -4.031 | -4.323 | -4.032 |
| Cavallo et al. | 2024 | 309.388 | 46.478 | 0.435 | â | â | â |
| Hunt & Reffert | 2023 | 309.357 | 46.473 | 0.433 | -4.031 | -4.323 | -4.032 |
| Cantat-Gaudin et al. | 2020 | 309.368 | 46.467 | 0.423 | -4.047 | -4.325 | â |
| Castro-Ginard et al. | 2020 | 309.377 | 46.477 | 0.422 | -4.036 | -4.328 | 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 | 1410* | â | â |
| Cavallo et al. | 2024 | 2.33 | 2.18 | â | 138 | 0.430 | â | â | â |
| Hunt & Reffert | 2023 | 2.13 | 2.03 | 2.69 | 68 | â | â | â | â |
| Cantat-Gaudin et al. | 2020 | 2.51 | 1.46 | â | 44 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.