UBC 1539
0.57
UTI
0.33
CN
1.0
Cdens
1.0
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
3.3 [arcmin]
- CN 0.33 Poorly populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 1539 is a poorly populated, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is poorly studied in the literature.
Relatively close
Low 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 | 244.845 | -57.201 | 0.477 | -1.382 | -4.364 | -38.702 |
| Hunt & Reffert | 2024 | 244.839 | -57.208 | 0.47 | -1.399 | -4.391 | -38.657 |
| Cavallo et al. | 2024 | 244.854 | -57.209 | 0.468 | â | â | â |
| Hunt & Reffert | 2023 | 244.839 | -57.208 | 0.47 | -1.399 | -4.391 | -38.657 |
| Castro-Ginard et al. | 2022 | 244.87 | -57.2 | 0.47 | -1.39 | -4.36 | 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 | 277* | â | â |
| Cavallo et al. | 2024 | 2.07 | 1.12 | â | 62 | 0.190 | â | â | â |
| Hunt & Reffert | 2023 | 1.95 | 0.82 | 0.74 | 219 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 2.22 | 0.84 | â | 80 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.