UBC 1547
0.29
UTI
0.0
CN
0.21
Cdens
0.75
CC3
0.25
Clit
1.0
Cdup
Stellar density (N50/rad)
1.0 [N/pc2]
- CN 0.0 Sparse
- Cdens 0.21 Very loose
- CC3 0.75 High quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
đĨ Members
đ Colab
đŦ Bayestar19
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
Overview
UBC 1547 is a sparse, very loose object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is poorly studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 244.506 | -49.799 | 0.361 | -1.777 | -2.92 | â |
| Hunt & Reffert | 2024 | 244.401 | -49.856 | 0.361 | -1.747 | -2.903 | â |
| Cavallo et al. | 2024 | 244.553 | -49.823 | 0.36 | â | â | â |
| Hunt & Reffert | 2023 | 244.401 | -49.856 | 0.361 | -1.747 | -2.903 | â |
| Castro-Ginard et al. | 2022 | 244.56 | -49.8 | 0.36 | -1.75 | -2.91 | 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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 2.51 | 2.59 | 2.14 | 11 | -0.420 | 156 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 156(1) | â | â |
| Cavallo et al. | 2024 | 1.86 | 2.83 | â | 38 | -0.420 | â | â | â |
| Hunt & Reffert | 2023 | 2.51 | 2.59 | 2.14 | 11 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 2.85 | 2.14 | â | 11 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Palma et al. (2025)
Part of multiple system G237, along with UBC_312, CWNU_1648, Ruprecht_176 and Theia_2096.
Cavallo et al. (2024)
Gold sample.