HSC 2181

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.33 0.35 0.75 0.33 1.0
C3
N_50
r_50
AB 33 2.9
Summary

HSC 2181 is a poorly populated, loose object of high C3 quality. It is located at a large distance from the Sun, 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) 131.593 -50.815 0.184 -4.706 4.885 –
Cavallo et al. (2024) 131.581 -50.823 0.185 – – –
Hunt & Reffert (2024) 131.593 -50.815 0.184 -4.706 4.885 –
Hu & Soubiran (2025) 131.581 -50.823 – – – –
           
UCC 131.607 -50.829 0.194 -4.727 4.852 –
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 2181 UCC
HSC 2181 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=2.941, diffAV50=0.96, MOD50=13.386, logAge50=8.509
Cavallo et al. (2024) AV50=2.42, dMod50=12.89, logAge50=8.88, [Fe/H]50=0.49
Hunt & Reffert (2024) MassJ=378.044, MassTot=358.223
Hu & Soubiran (2025) MA22=-0.19, MA23f=-0.44, MK24=-0.29, MF24=-0.39

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 3208 87.9 131.61 -50.83 0.18 -4.72 4.85 – 0.02