UBC 612
0.36
UTI
0.3
CN
0.31
Cdens
0.75
CC3
0.23
Clit
1.0
Cdup
Nm (P>50%)
30
Core radius and density
1.9 [pc], 1.6 [pc-2]
- CN 0.3 Poorly populated
- Cdens 0.31 Loose
- CC3 0.75 High quality
- Clit 0.23 Rarely 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 612 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a large distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is rarely studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 79.831 | 40.147 | 0.171 | 0.28 | -0.656 | -18.375 |
| Almeida et al. | 2025 | 79.839 | 40.134 | â | â | â | â |
| Hunt & Reffert | 2024 | 79.826 | 40.141 | 0.173 | 0.311 | -0.644 | -18.376 |
| Celli et al. | 2024 | 79.833 | 40.14 | â | â | â | â |
| Cavallo et al. | 2024 | 79.817 | 40.158 | 0.179 | â | â | â |
| Hunt & Reffert | 2023 | 79.826 | 40.141 | 0.173 | 0.311 | -0.644 | -18.376 |
| Dias et al. | 2021 | 79.839 | 40.134 | 0.132 | 0.391 | -0.669 | â |
| Cantat-Gaudin et al. | 2020 | 79.833 | 40.14 | 0.133 | 0.335 | -0.685 | â |
| Castro-Ginard et al. | 2020 | 79.84 | 40.134 | 0.132 | 0.339 | -0.667 | 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 | 4.76 | 1.59 | 0.81 | 18 | -0.211 | 240 | â | â |
| Almeida et al. | 2025 | 5.62 | 1.97 | â | 12 | â | 240 | â | â |
| Hunt & Reffert | 2024 | 4.76 | 1.59 | 0.81 | 44 | â | 406(1) | â | â |
| Celli et al. | 2024 | â | â | â | 16 | â | 153 | â | â |
| Cavallo et al. | 2024 | 4.00 | 1.79 | â | 21 | -0.140 | â | â | â |
| Hunt & Reffert | 2023 | 4.76 | 1.59 | 0.81 | 44 | â | â | â | â |
| Dias et al. | 2021 | 5.62 | 1.97 | â | 12 | -0.282 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 5.60 | 1.51 | â | 16 | â | â | â | â |
| Kounkel et al. | 2020 | 4.31 | 1.59 | â | 71 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Almeida et al. (2025)
Mass determination: good fit. Isochrone match: intermediate fit.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).