UBC 1531
0.62
UTI
0.58
CN
1.0
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
2.3 [arcmin]
- CN 0.58 Moderately populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 1531 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, below 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.
Distant
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 | 222.342 | -61.54 | 0.265 | -4.557 | -3.162 | -30.602 |
| Hunt & Reffert | 2024 | 222.373 | -61.542 | 0.279 | -4.593 | -3.171 | -20.887 |
| Cavallo et al. | 2024 | 222.341 | -61.539 | 0.277 | â | â | â |
| Hunt & Reffert | 2023 | 222.373 | -61.542 | 0.279 | -4.593 | -3.171 | -20.887 |
| Castro-Ginard et al. | 2022 | 222.32 | -61.55 | 0.26 | -4.56 | -3.16 | -29.69 |
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 | 1834* | â | â |
| Cavallo et al. | 2024 | 3.84 | 3.97 | â | 46 | 0.170 | â | â | â |
| Hunt & Reffert | 2023 | 3.15 | 3.24 | 2.92 | 76 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 4.32 | 2.94 | â | 40 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.