UBC 1020
0.66
UTI
0.82
CN
1.0
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
5.7 [arcmin]
- CN 0.82 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 1020 is a rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high 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 small percentage of members with 4 later reported entries. See table with shared members information.
Relatively close
High 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 | 277.259 | -12.717 | 0.464 | 0.621 | -1.65 | 10.831 |
| Hunt & Reffert | 2024 | 277.25 | -12.71 | 0.454 | 0.622 | -1.638 | -6.17 |
| Cavallo et al. | 2024 | 277.258 | -12.726 | 0.457 | â | â | â |
| Hunt & Reffert | 2023 | 277.25 | -12.71 | 0.454 | 0.622 | -1.638 | -6.17 |
| Castro-Ginard et al. | 2022 | 277.26 | -12.72 | 0.48 | 0.63 | -1.66 | 17.71 |
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 | 2739* | â | â |
| Cavallo et al. | 2024 | 1.99 | 3.42 | â | 110 | 0.210 | â | â | â |
| Hunt & Reffert | 2023 | 1.99 | 3.21 | 2.72 | 82 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 2.32 | 2.39 | â | 56 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.