HSC 1731

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.56 0.39 1.0 0.33 1.0
C3
N_50
r_50
AA 62 1.9
Summary

HSC 1731 is a moderately populated, loose object of very high C3 quality. It is located at a very large distance from the Sun, well below the mid-plane. It was recently reported in the literature.

This object shares a large percentage of members with a later reported entry.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 98.654 -8.865 0.085 0.163 0.458 69.479
Cavallo et al. (2024) 98.663 -8.858 0.09 – – –
Hunt & Reffert (2024) 98.654 -8.865 0.085 0.163 0.458 69.479
Hu & Soubiran (2025) 98.663 -8.858 – – – –
           
UCC 98.666 -8.859 0.098 0.174 0.443 69.459
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 1731 UCC
HSC 1731 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=1.602, diffAV50=0.78, MOD50=14.678, logAge50=8.808
Cavallo et al. (2024) AV50=1.87, dMod50=13.53, logAge50=9.07, [Fe/H]50=-0.87
Hunt & Reffert (2024) MassJ=977.804, MassTot=1029.54
Hu & Soubiran (2025) MA22=-0.31, MA23f=-0.6, MA23g=-0.43, MZ23=-0.78, MK24=-0.5, MF24=-0.54

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 2972 98.4 98.66 -8.86 0.11 0.16 0.45 69.46 0.07