UBC 1578
0.52
UTI
0.35
CN
1.0
Cdens
0.62
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
5.0 [arcmin]
- CN 0.35 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.62 Intermediate quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 1578 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly studied in the literature.
Relatively close
Moderate extinction
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 70.585 | 49.236 | 0.661 | 2.018 | -5.447 | 2.604 |
| Zhang et al. | 2024 | 70.582 | 49.217 | â | â | â | â |
| Hunt & Reffert | 2024 | 70.582 | 49.217 | 0.658 | 2.009 | -5.436 | 2.615 |
| Cavallo et al. | 2024 | 70.576 | 49.206 | 0.656 | â | â | â |
| Hunt & Reffert | 2023 | 70.582 | 49.217 | 0.658 | 2.009 | -5.436 | 2.615 |
| Castro-Ginard et al. | 2022 | 70.53 | 49.22 | 0.67 | 2.02 | -5.45 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Zhang et al. | 2024 | â | â | â | â | -0.080* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 183* | â | â |
| Cavallo et al. | 2024 | 1.62 | 1.69 | â | 479 | 0.140 | â | â | â |
| Hunt & Reffert | 2023 | 1.45 | 1.67 | 1.42 | 305 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 1.55 | 0.83 | â | 262 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.