HSC 2559

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.28 1.0 0.38 0.33 1.0
C3
N_50
r_50
BC 28 5.3
Summary

HSC 2559 is a poorly populated, very dense object of low C3 quality. It is located at a relatively close distance from the Sun, below 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) 197.701 -66.987 0.724 -12.868 -3.311 -23.5
Cavallo et al. (2024) 197.574 -66.979 0.728 – – –
Hunt & Reffert (2024) 197.701 -66.987 0.724 -12.868 -3.311 -23.5
Hu & Soubiran (2025) 197.575 -66.979 – – – –
           
UCC 197.665 -66.998 0.727 -12.849 -3.359 -24.563
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 2559 UCC
HSC 2559 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.964, diffAV50=0.598, MOD50=10.594, logAge50=8.962
Cavallo et al. (2024) AV50=0.87, dMod50=10.74, logAge50=9.1, [Fe/H]50=0.39
Hunt & Reffert (2024) MassJ=89.1839, MassTot=191.406
Hu & Soubiran (2025) MA22=-0.19, MA23f=-0.07, MZ23=-0.05, MK24=-0.09, MF24=-0.09

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Cluster region map