HSC 1887

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.4 0.41 1.0 0.33 1.0
C3
N_50
r_50
AA 40 1.4
Summary

HSC 1887 is a poorly 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.

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 108.597 -24.308 0.1 -0.937 1.444 –
Cavallo et al. (2024) 108.594 -24.305 0.1 – – –
Hunt & Reffert (2024) 108.597 -24.308 0.1 -0.937 1.444 –
Hu & Soubiran (2025) 108.594 -24.305 – – – –
           
UCC 108.595 -24.307 0.092 -0.932 1.44 –
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 1887 UCC
HSC 1887 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.722, diffAV50=1.692, MOD50=14.177, logAge50=9.02
Cavallo et al. (2024) AV50=1.13, dMod50=14.32, logAge50=8.95, [Fe/H]50=-0.51
Hunt & Reffert (2024) MassJ=438.936, MassTot=500.552
Hu & Soubiran (2025) MA22=-0.45, MA23f=-0.55, MA23g=-0.46, MZ23=-0.73, MK24=-0.53, MF24=-0.67

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 2954 97.5 108.6 -24.31 0.09 -0.93 1.44 – 0.06