UBC 1021
0.61
UTI
0.56
CN
1.0
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
6.5 [arcmin]
- CN 0.56 Moderately populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 1021 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a relatively close distance, below 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.
Note: This object shares a large percentage of members with 2 later reported entries. See table with shared members information.
Relatively 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 | 280.89 | -14.426 | 0.603 | 0.807 | -0.76 | -3.554 |
| Hunt & Reffert | 2024 | 280.897 | -14.427 | 0.592 | 0.828 | -0.631 | -15.096 |
| Cavallo et al. | 2024 | 280.836 | -14.483 | 0.593 | â | â | â |
| Hunt & Reffert | 2023 | 280.897 | -14.427 | 0.592 | 0.828 | -0.631 | -15.096 |
| Castro-Ginard et al. | 2022 | 280.84 | -14.43 | 0.61 | 0.79 | -0.77 | 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 | 572* | â | â |
| Cavallo et al. | 2024 | 1.77 | 2.32 | â | 95 | 0.340 | â | â | â |
| Hunt & Reffert | 2023 | 1.57 | 2.04 | 2.60 | 116 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 1.68 | 1.91 | â | 42 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.