UBC 268
0.50
UTI
0.76
CN
0.33
Cdens
1.0
CC3
0.19
Clit
1.0
Cdup
Nm (P>50%)
127
Core radius and density
2.4 [pc], 1.6 [pc-2]
- CN 0.76 Rich
- Cdens 0.33 Loose
- CC3 1.0 Very high quality
- Clit 0.19 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 268 is a rich, loose object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.
Note: This object contains blue stragglers according to at least one source.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 165.35 | -63.669 | 0.242 | -6.128 | 1.965 | 1.68 |
| Hu & Soubiran | 2025 | 165.352 | -63.666 | â | â | â | â |
| Hunt & Reffert | 2024 | 165.337 | -63.681 | 0.24 | -6.141 | 1.988 | 3.952 |
| Cavallo et al. | 2024 | 165.352 | -63.666 | 0.241 | â | â | â |
| Hunt & Reffert | 2023 | 165.337 | -63.681 | 0.24 | -6.141 | 1.988 | 3.952 |
| Jadhav & Subramaniam | 2021 | 165.349 | -63.655 | â | â | â | â |
| Cantat-Gaudin et al. | 2020 | 165.349 | -63.655 | 0.23 | -6.109 | 1.947 | â |
| Castro-Ginard et al. | 2020 | 165.363 | -63.654 | 0.228 | -6.107 | 1.954 | 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 | 3.675 | 1.785 | 1.64 | 796 | -0.120 | 1332 | â | 3 |
| Hu & Soubiran | 2025 | â | â | â | â | -0.210(5) | â | â | â |
| Hunt & Reffert | 2024 | 3.67 | 1.81 | 1.64 | 570 | â | 1347(1) | â | â |
| Cavallo et al. | 2024 | 2.77 | 1.76 | â | 1023 | -0.030 | â | â | â |
| Hunt & Reffert | 2023 | 3.67 | 1.81 | 1.64 | 570 | â | â | â | â |
| Jadhav & Subramaniam | 2021 | 3.68 | 1.18 | â | 1698 | â | 1317 | â | 3(1) |
| Cantat-Gaudin et al. | 2020 | 3.68 | 1.18 | â | 1698 | â | â | â | â |
| Kounkel et al. | 2020 | 4.22 | 2.38 | â | 288 | 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 class: 0.97 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.97 (50th percentile).