FoF 1780
(LP 1780)
0.51
UTI
0.8
CN
1.0
Cdens
0.75
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members)
4.5 [arcmin]
- CN 0.8 Rich
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.0 Rarely studied
- Cdup 1.0 Unique
Overview
FoF 1780 is a rich, very dense object of high C3 quality. Its parallax locates it at a relatively close 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 large percentage of members with a later reported entry. 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 | 321.542 | 52.714 | 0.501 | -3.16 | -3.775 | -12.239 |
| Almeida et al. | 2025 | 321.531 | 52.709 | â | â | â | â |
| Dias et al. | 2021 | 321.531 | 52.709 | 0.48 | -3.139 | -3.739 | -12.598 |
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 | 1.86 | 3.17 | â | 12 | â | 788 | â | â |
| Dias et al. | 2021 | 1.86 | 3.17 | â | 12 | 0.019 | â | â | â |
Almeida et al. (2025)
Mass determination: invalid due to poor quality CMD. Isochrone match: worst fit.