Alessi 116
0.66
UTI
0.7
CN
1.0
Cdens
1.0
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
15.1 [arcmin]
- CN 0.7 Moderately populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
Alessi 116 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a close distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, old cluster (see Parameters). It is poorly studied in the literature.
Note: This object shares a large percentage of members with 3 later reported entries. See table with shared members information.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 310.213 | 20.163 | 1.076 | -6.286 | -9.296 | 24.381 |
| Hu & Soubiran | 2025 | 310.159 | 20.191 | â | â | â | â |
| Hunt & Reffert | 2024 | 310.244 | 20.07 | 1.067 | -6.267 | -9.232 | 23.622 |
| Cavallo et al. | 2024 | 310.159 | 20.191 | 1.077 | â | â | â |
| Hunt & Reffert | 2023 | 310.244 | 20.07 | 1.067 | -6.267 | -9.232 | 23.622 |
| Bica et al. | 2019 | 310.292 | 20.065 | â | â | â | 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 | 0.875 | 0.315 | 0.45 | 1036 | -0.200 | 136 | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | -0.200(5) | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 136(1) | â | â |
| Cavallo et al. | 2024 | 0.87 | 0.50 | â | 977 | -0.200 | â | â | â |
| Hunt & Reffert | 2023 | 0.88 | 0.13 | 0.45 | 1094 | 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.