UBC 517
0.53
UTI
0.55
CN
0.21
Cdens
1.0
CC3
0.44
Clit
1.0
Cdup
Radius (P>50% members)
10.5 [arcmin]
- CN 0.55 Moderately populated
- Cdens 0.21 Very loose
- CC3 1.0 Very high quality
- Clit 0.44 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 517 is a moderately populated, very loose object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is poorly studied in the literature.
Note: This object shares a small percentage of members with a later reported entry. See table with shared members information.
Relatively close
Low extinction
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 182.519 | -63.805 | 0.408 | -5.683 | 0.018 | â |
| Li et al. | 2025 | 182.482 | -63.791 | 0.392 | -5.685 | 0.008 | â |
| Hunt & Reffert | 2024 | 182.464 | -63.966 | 0.406 | -5.685 | 0.05 | -1.017 |
| Celli et al. | 2024 | 182.482 | -63.791 | â | â | â | â |
| Cavallo et al. | 2024 | 182.652 | -63.598 | 0.408 | â | â | â |
| Hunt & Reffert | 2023 | 182.464 | -63.966 | 0.406 | -5.685 | 0.05 | -1.017 |
| Cantat-Gaudin et al. | 2020 | 182.482 | -63.791 | 0.392 | -5.685 | 0.008 | â |
| Castro-Ginard et al. | 2020 | 182.473 | -63.784 | 0.393 | -5.696 | -0.001 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Li et al. | 2025 | 2.03 | 0.94 | â | 38 | -0.145 | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 293* | â | â |
| Celli et al. | 2024 | â | â | â | 22 | â | 414 | â | â |
| Cavallo et al. | 2024 | 1.99 | 1.11 | â | 21 | -0.400 | â | â | â |
| Hunt & Reffert | 2023 | 2.17 | 0.74 | 1.82 | 36 | â | â | â | â |
| Cantat-Gaudin et al. | 2020 | 2.34 | 0.77 | â | 22 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.
Castro-Ginard et al. (2020)
Tentative identification with Kharchenko et al. (2013, Cat. J/A+A/558/A53), see Sect. 4.1.3.