HSC 87

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.3 1.0 1.0 0.33 1.0
C3
N_50
r_50
AA 30 7.2
Summary

HSC 87 is a poorly populated, very dense object of very high C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It was recently reported in the literature.

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 272.505 -25.091 0.862 1.498 0.523 20.869
Cavallo et al. (2024) 272.567 -25.045 0.862 – – –
Hunt & Reffert (2024) 272.505 -25.091 0.862 1.498 0.523 20.869
Hu & Soubiran (2025) 272.567 -25.045 – – – –
           
UCC 272.564 -25.064 0.884 1.501 0.503 33.846
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 87 UCC
HSC 87 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.791, diffAV50=0.422, MOD50=10.182, logAge50=8.138
Cavallo et al. (2024) AV50=1.65, dMod50=10.52, logAge50=9.0, [Fe/H]50=-0.73
Hunt & Reffert (2024) MassJ=155.058, MassTot=100.101
Hu & Soubiran (2025) MA22=-0.23, MA23f=-0.14, MZ23=-0.19, MK24=-0.12

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Cluster region map