HSC 818

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.27 1.0 0.75 0.33 1.0
C3
N_50
r_50
AB 27 1.8
Summary

HSC 818 is a poorly populated, very dense object of high C3 quality. It is located at a moderate distance from the Sun, near 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) 337.019 58.165 0.247 -5.56 -3.389 -65.412
Cavallo et al. (2024) 337.054 58.183 0.244 – – –
Hunt & Reffert (2024) 337.019 58.165 0.247 -5.56 -3.389 -65.412
Hu & Soubiran (2025) 337.054 58.183 – – – –
           
UCC 337.024 58.167 0.256 -5.571 -3.397 -65.414
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 818 UCC
HSC 818 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=2.403, diffAV50=1.198, MOD50=12.809, logAge50=8.298
Cavallo et al. (2024) AV50=1.85, dMod50=12.33, logAge50=8.9, [Fe/H]50=-0.05
Hunt & Reffert (2024) MassJ=280.986, MassTot=306.783
Hu & Soubiran (2025) MA22=-0.13, MA23f=-0.39, MK24=-0.22, MF24=-0.36

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 3221 100.0 337.01 58.17 0.25 -5.52 -3.4 -65.41 0.19