HSC 2027

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.0 0.29 0.5 0.33 1.0
C3
N_50
r_50
BB 22 2.3
Summary

HSC 2027 is a sparse, loose object of intermediate C3 quality. It is located at a large distance from the Sun, above the mid-plane. It was recently reported in the literature.

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

Warning: contains less than 25 stars with P>0.5 estimated.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 127.454 -32.263 0.162 -2.136 2.584 101.49
Cavallo et al. (2024) 127.438 -32.264 0.16 – – –
Hunt & Reffert (2024) 127.454 -32.263 0.162 -2.136 2.584 101.49
Hu & Soubiran (2025) 127.438 -32.264 – – – –
           
UCC 127.451 -32.265 0.172 -2.135 2.547 96.751
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

HSC 2027 UCC
HSC 2027 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.684, diffAV50=2.032, MOD50=13.63, logAge50=8.746
Cavallo et al. (2024) AV50=0.73, dMod50=12.87, logAge50=8.78, [Fe/H]50=-0.21
Hunt & Reffert (2024) MassJ=461.961, MassTot=628.663
Hu & Soubiran (2025) MA22=-0.18, MA23f=-0.52, MA23g=-0.52, MZ23=-0.64, MK24=-0.36, MF24=-0.31

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 4758 96.0 127.45 -32.26 0.17 -2.14 2.54 90.11 0.03