FoF 1771
(LP 1771)
0.55
UTI
0.75
CN
1.0
Cdens
1.0
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
4.1 [arcmin]
- CN 0.75 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
FoF 1771 is a rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is rarely studied in the literature.
Note: This object shares a significant percentage of members with 2 later reported entries. See table with shared members information.
Relatively close
High 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 | 307.378 | 44.633 | 0.447 | -2.077 | -2.804 | -29.574 |
| Almeida et al. | 2025 | 307.365 | 44.643 | â | â | â | â |
| Dias et al. | 2021 | 307.365 | 44.643 | 0.431 | -2.058 | -2.77 | 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 | 2.10 | 3.03 | â | 14 | â | 716 | â | â |
| Dias et al. | 2021 | 2.10 | 3.03 | â | 14 | 0.142 | â | â | â |

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