HSC 1954

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.27 0.21 0.38 0.33 1.0
C3
N_50
r_50
CB 27 2.9
Summary

HSC 1954 is a poorly populated, very loose object of low C3 quality. It is located at a large distance from the Sun, near the mid-plane. It was recently reported in the literature.

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

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 117.97 -26.798 0.166 -1.667 2.195 91.721
Cavallo et al. (2024) 118.031 -26.81 0.168 – – –
Hunt & Reffert (2024) 117.97 -26.798 0.166 -1.667 2.195 91.721
Hu & Soubiran (2025) 118.031 -26.81 – – – –
           
UCC 117.991 -26.82 0.165 -1.657 2.2 91.228
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 1954 UCC
HSC 1954 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.924, diffAV50=2.183, MOD50=13.683, logAge50=8.795
Cavallo et al. (2024) AV50=0.55, dMod50=13.08, logAge50=9.21, [Fe/H]50=0.04
Hunt & Reffert (2024) MassJ=432.836, MassTot=538.046
Hu & Soubiran (2025) MA22=-0.21, MA23f=-0.4, MA23g=-0.33, MZ23=-0.6, MK24=-0.36, MF24=-0.42

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Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 2980 100.0 118.0 -26.82 0.17 -1.66 2.2 91.23 0.02