Alessi 145
(UBC 13)
0.50
UTI
0.73
CN
0.2
Cdens
0.75
CC3
0.4
Clit
1.0
Cdup
Stellar density (N50/rad)
1.0 [N/pc2]
- CN 0.73 Moderately populated
- Cdens 0.2 Very loose
- CC3 0.75 High quality
- Clit 0.4 Poorly studied
- Cdup 1.0 Unique
Overview
Alessi 145 is a moderately populated, very loose object of high C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 120.85 | 3.465 | 1.6 | -7.854 | -1.245 | 25.043 |
| Alfonso et al. | 2024 | 120.696 | 3.693 | 1.587 | -7.801 | -1.39 | â |
| Zhang et al. | 2024 | 120.954 | 3.985 | â | â | â | â |
| Tarricq et al. | 2022 | 120.761 | 2.697 | 1.583 | -7.68 | -1.199 | â |
| Cantat-Gaudin et al. | 2020 | 120.914 | 3.54 | 1.609 | -7.749 | -1.13 | â |
| Cantat-Gaudin & Anders | 2020 | 120.914 | 3.54 | 1.609 | -7.749 | -1.13 | â |
| Bica et al. | 2019 | 120.894 | 3.611 | â | â | â | â |
| Castro-Ginard et al. | 2018 | 120.897 | 3.61 | 1.607 | -7.768 | -1.163 | 22.91 |
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 | 0.625 | 0.0 | â | 182 | -0.064 | â | â | â |
| Alfonso et al. | 2024 | 0.63 | 0.00 | â | 45 | -0.066 | â | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.062(1) | â | â | â |
| Tarricq et al. | 2022 | 0.62 | â | â | 191 | â | â | â | â |
| Cantat-Gaudin et al. | 2020 | 0.63 | 0.00 | â | 182 | â | â | â | â |
| Cantat-Gaudin & Anders | 2020 | 0.61 | â | â | â | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Hunt & Reffert (2024)
Classified as a moving group.