HSC 553

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.4 0.83 0.75 0.33 1.0
C3
N_50
r_50
AB 40 4.6
Summary

HSC 553 is a poorly populated, dense object of high C3 quality. It is located at a moderate distance from the Sun, above 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) 296.074 34.902 0.426 -1.152 -4.254 -19.32
Cavallo et al. (2024) 296.099 34.879 0.425 – – –
Hunt & Reffert (2024) 296.074 34.902 0.426 -1.152 -4.254 -19.32
Hu & Soubiran (2025) 296.099 34.879 – – – –
           
UCC 296.088 34.889 0.43 -1.133 -4.234 -14.811
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 553 UCC
HSC 553 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.261, diffAV50=0.396, MOD50=11.703, logAge50=9.109
Cavallo et al. (2024) AV50=1.17, dMod50=11.83, logAge50=8.73, [Fe/H]50=-0.1
Hunt & Reffert (2024) MassJ=72.6376, MassTot=147.228
Hu & Soubiran (2025) MA22=-0.25, MA23f=-0.28, MZ23=-0.2, MK24=-0.18, MF24=-0.13

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Cluster region map