UBC 1258
0.40
UTI
0.54
CN
0.75
Cdens
0.5
CC3
0.1
Clit
1.0
Cdup
Nm (P>50%)
58
Core radius and density
1.2 [pc], 3.8 [pc-2]
- CN 0.54 Moderately populated
- Cdens 0.75 Dense
- CC3 0.5 Intermediate quality
- Clit 0.1 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 1258 is a moderately populated, dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, intermediate-age 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 | 62.427 | 50.353 | 0.407 | -0.17 | -0.534 | -19.449 |
| Hu & Soubiran | 2025 | 62.445 | 50.362 | â | â | â | â |
| Hunt & Reffert | 2024 | 62.428 | 50.352 | 0.405 | -0.165 | -0.55 | 0.045 |
| Cavallo et al. | 2024 | 62.445 | 50.362 | 0.409 | â | â | â |
| Hunt & Reffert | 2023 | 62.428 | 50.352 | 0.405 | -0.165 | -0.55 | 0.045 |
| Castro-Ginard et al. | 2022 | 62.43 | 50.35 | 0.41 | -0.17 | -0.53 | 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 | 2.22 | 3.405 | 2.07 | 836 | 0.085 | 645 | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | 0.070(5) | â | â | â |
| Hunt & Reffert | 2024 | 2.22 | 3.49 | 2.07 | 576 | â | 645(1) | â | â |
| Cavallo et al. | 2024 | 2.16 | 3.32 | â | 1096 | 0.100 | â | â | â |
| Hunt & Reffert | 2023 | 2.22 | 3.49 | 2.07 | 577 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 2.61 | 2.65 | â | 1239 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD classes: 0.67 (50th percentile), true positive? (human-assigned).
Hunt & Reffert (2023)
Classified as open cluster. CMD classes: 0.67 (50th percentile), true positive? (human-assigned).