HSC 2159

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.28 1.0 0.5 0.33 1.0
C3
N_50
r_50
DA 28 1.4
Summary

HSC 2159 is a poorly populated, very dense object of intermediate C3 quality. It is located at a moderate 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) 130.78 -48.603 0.212 -3.18 3.406 –
Cavallo et al. (2024) 130.771 -48.609 0.213 – – –
Hunt & Reffert (2024) 130.78 -48.603 0.212 -3.18 3.406 –
Hu & Soubiran (2025) 130.771 -48.609 – – – –
           
UCC 130.778 -48.609 0.22 -3.162 3.412 –
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 2159 UCC
HSC 2159 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=2.81, diffAV50=0.843, MOD50=13.136, logAge50=8.307
Cavallo et al. (2024) AV50=2.54, dMod50=13.27, logAge50=8.72, [Fe/H]50=0.56
Hunt & Reffert (2024) MassJ=302.409, MassTot=306.965
Hu & Soubiran (2025) MA22=-0.09, MA23f=-0.39, MF24=-0.46

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 3416 100.0 130.78 -48.61 0.22 -3.17 3.41 40.19 0.1