FoF 1641

(LP 1641)

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.75 1.0 0.75 0.0 1.0
C3
N_50
r_50
AB 105 3.0
Summary

FoF 1641 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is rarely studied in the literature.

This object shares a large percentage of members with a later reported entry.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Dias et al. (2021) 277.916 -10.175 0.32 -1.209 -3.254 33.852
He et al. (2023) 277.916 -10.168 0.306 -1.163 -3.335 33.66
Almeida et al. (2025) 277.916 -10.175 – – – –
           
UCC 277.912 -10.166 0.315 -1.172 -3.306 34.01
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

FoF 1641 UCC

Explore data in Colab

Fundamental parameters

Reference Values
Dias et al. (2021) Av=4.122, Dist=3397, logage=6.697, [Fe/H]=0.152
He et al. (2023) A0=5.35, m-M=12.15, logA=7.7
Almeida et al. (2025) AV=4.122, Dist=3397, logAge=6.697, MassRk=1568.2

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
HSC 230 85.7 277.91 -10.17 0.31 -1.17 -3.33 33.58 0.09