HSC 691

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.0 0.23 0.5 0.0 1.0
C3
N_50
r_50
BB 21 20.9
Summary

HSC 691 is a sparse, very loose object of intermediate C3 quality. It is located at a close distance from the Sun, below the mid-plane. It was recently reported in the literature.

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

Warning: contains less than 25 stars with P>0.5 estimated.

Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicates that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 324.407 40.395 1.398 1.555 -2.383 -3.194
Cavallo et al. (2024) 324.29 40.556 1.406 – – –
           
UCC 324.355 40.445 1.409 1.518 -2.374 -2.502
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

HSC 691 UCC
HSC 691 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.336, diffAV50=0.422, MOD50=9.19, logAge50=8.152
Cavallo et al. (2024) AV50=0.49, dMod50=9.37, logAge50=8.33, [Fe/H]50=0.45

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 3022 84.0 324.35 40.44 1.41 1.55 -2.37 -2.5 0.02