UBC 655
0.29
UTI
0.0
CN
0.45
Cdens
0.5
CC3
0.25
Clit
1.0
Cdup
Radius (P>50% members)
2.9 [arcmin]
- CN 0.0 Sparse
- Cdens 0.45 Loose
- CC3 0.5 Intermediate quality
- Clit 0.25 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 655 is a sparse, loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, below 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.
Distant
Moderate extinction
Near-solar metallicity
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 158.033 | -62.94 | 0.276 | -5.818 | 2.752 | -1.713 |
| Almeida et al. | 2025 | 158.065 | -62.905 | â | â | â | â |
| Dias et al. | 2021 | 158.065 | -62.905 | 0.288 | -5.754 | 2.712 | â |
| Cantat-Gaudin et al. | 2020 | 158.084 | -62.941 | 0.282 | -5.786 | 2.739 | â |
| Castro-Ginard et al. | 2020 | 158.064 | -62.918 | 0.278 | -5.784 | 2.733 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Almeida et al. | 2025 | 3.45 | 1.61 | â | 12 | â | 132 | â | â |
| Dias et al. | 2021 | 3.45 | 1.61 | â | 12 | -0.034 | â | â | â |


Almeida et al. (2025)
Mass determination: intermediate fit. Isochrone match: intermediate fit.