UBC 1221
0.43
UTI
0.31
CN
0.6
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
2.9 [arcmin]
- CN 0.31 Poorly populated
- Cdens 0.6 Moderately dense
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 1221 is a poorly populated, moderately dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a metal-poor, young cluster (see Parameters). It is poorly studied in the literature.
Distant
Moderate extinction
Metal-poor
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 25.536 | 59.568 | 0.263 | -1.804 | -0.298 | -100.219 |
| Hunt & Reffert | 2024 | 25.55 | 59.537 | 0.262 | -1.805 | -0.293 | â |
| Cavallo et al. | 2024 | 25.523 | 59.562 | 0.263 | â | â | â |
| Hunt & Reffert | 2023 | 25.55 | 59.537 | 0.262 | -1.805 | -0.293 | â |
| Castro-Ginard et al. | 2022 | 25.5 | 59.57 | 0.26 | -1.8 | -0.3 | 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 | 445* | â | â |
| Cavallo et al. | 2024 | 2.62 | 1.73 | â | 13 | -0.610 | â | â | â |
| Hunt & Reffert | 2023 | 3.33 | 1.54 | 0.47 | 58 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 3.84 | 1.35 | â | 32 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.