HSC 2040

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.31 0.62 0.5 0.33 1.0
C3
N_50
r_50
BB 31 1.4
Summary

HSC 2040 is a poorly populated, moderately dense object of intermediate 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) 122.583 -36.869 0.138 -2.183 2.654 88.291
Cavallo et al. (2024) 122.567 -36.872 0.14 – – –
Hunt & Reffert (2024) 122.583 -36.869 0.138 -2.183 2.654 88.291
Hu & Soubiran (2025) 122.567 -36.872 – – – –
           
UCC 122.585 -36.87 0.128 -2.205 2.644 91.976
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 2040 UCC
HSC 2040 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=2.52, diffAV50=2.123, MOD50=13.817, logAge50=7.994
Cavallo et al. (2024) AV50=2.13, dMod50=13.49, logAge50=8.93, [Fe/H]50=-0.19
Hunt & Reffert (2024) MassJ=530.495, MassTot=537.599
Hu & Soubiran (2025) MA22=-0.2, MA23f=-0.48, MZ23=-0.73, MK24=-0.32, MF24=-0.39

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 3291 90.3 122.58 -36.87 0.13 -2.21 2.66 88.28 0.03