HSC 1021

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.28 0.19 0.75 0.33 1.0
C3
N_50
r_50
AB 28 4.8
Summary

HSC 1021 is a poorly populated, very loose object of high 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.

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 20.674 57.221 0.258 -2.08 -1.097 -55.353
Cavallo et al. (2024) 20.546 57.249 0.255 – – –
Hunt & Reffert (2024) 20.674 57.221 0.258 -2.08 -1.097 -55.353
Hu & Soubiran (2025) 20.546 57.249 – – – –
           
UCC 20.544 57.237 0.256 -2.117 -1.091 -62.619
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 1021 UCC
HSC 1021 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=1.247, diffAV50=1.68, MOD50=12.679, logAge50=8.671
Cavallo et al. (2024) AV50=1.19, dMod50=12.44, logAge50=8.79, [Fe/H]50=0.03
Hunt & Reffert (2024) MassJ=130.086, MassTot=303.599
Hu & Soubiran (2025) MA22=-0.17, MA23f=-0.4, MA23g=-0.31, MZ23=-0.07, MK24=-0.35, MF24=-0.18

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 3279 85.7 20.44 57.25 0.25 -2.12 -1.11 -62.62 0.06