HSC 1980

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.25 0.1 0.62 0.25 1.0
C3
N_50
r_50
AC 25 14.9
Summary

HSC 1980 is a poorly populated, very loose object of intermediate C3 quality. It is located at a relatively close 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) 123.311 -26.912 0.619 -3.729 1.56 37.492
Cavallo et al. (2024) 123.356 -26.903 0.618 – – –
Hu & Soubiran (2025) 123.356 -26.903 – – – –
           
UCC 123.41 -26.899 0.606 -3.73 1.55 36.916
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 1980 UCC
HSC 1980 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.162, diffAV50=0.171, MOD50=10.883, logAge50=8.401
Cavallo et al. (2024) AV50=0.03, dMod50=10.74, logAge50=8.91, [Fe/H]50=-0.14
Hu & Soubiran (2025) MA22=-0.08, MA23f=-0.22, MZ23=-0.13, MK24=-0.16, MF24=-0.02

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Cluster region map