HSC 823

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C3
N_50
r_50
BC 21 17.4
Summary

HSC 823 is a sparse, very loose object of low C3 quality. It is located at a relatively close distance from the Sun, above the mid-plane. It was recently reported in the literature.

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) 333.435 61.41 0.991 -3.539 -3.65 -20.419
Cavallo et al. (2024) 333.359 61.496 0.992
Hu & Soubiran (2025) 333.359 61.496
           
UCC 333.343 61.419 0.991 -3.568 -3.647 -20.416
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=1.819, diffAV50=1.526, MOD50=9.941, logAge50=8.604
Cavallo et al. (2024) AV50=1.55, dMod50=9.78, logAge50=9.24, [Fe/H]50=-0.38
Hu & Soubiran (2025) MA22=-0.01, MA23f=-0.17, MZ23=-0.2, MK24=-0.05, MF24=-0.22

Search coordinates in Bayestar19

Cluster region map