FoF 2221
(LP 2221)
0.41
UTI
0.78
CN
1.0
Cdens
1.0
CC3
0.0
Clit
0.74
Cdup
Radius (P>50% members)
8.8 [arcmin]
- CN 0.78 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.0 Rarely studied
- Cdup 0.74 Likely unique
Overview
FoF 2221 is a rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is rarely studied in the literature.
Note: This is likely a unique object, which shares a moderate percentage of members with at least one previously reported entry. See table with shared members information.
Close
Moderate 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 | 129.428 | -40.234 | 1.058 | -5.616 | 3.77 | 21.566 |
| Almeida et al. | 2025 | 129.44 | -40.028 | â | â | â | â |
| Dias et al. | 2021 | 129.44 | -40.028 | 1.025 | -5.564 | 3.846 | 41.227 |
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 | 0.93 | 1.23 | â | 9 | â | 512 | â | â |
| Dias et al. | 2021 | 0.93 | 1.23 | â | 9 | -0.059 | â | â | â |
Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit.