HSC 2830

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.28 1.0 0.75 0.33 1.0
C3
N_50
r_50
BA 28 2.3
Summary

HSC 2830 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) 253.292 -45.036 0.369 -0.502 -2.584 -9.837
Cavallo et al. (2024) 253.315 -45.031 0.369 – – –
Hunt & Reffert (2024) 253.292 -45.036 0.369 -0.502 -2.584 -9.837
Hu & Soubiran (2025) 253.315 -45.031 – – – –
           
UCC 253.302 -45.029 0.364 -0.474 -2.577 -8.314
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HSC 2830 UCC
HSC 2830 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=3.559, diffAV50=2.425, MOD50=11.933, logAge50=7.525
Cavallo et al. (2024) AV50=3.78, dMod50=11.74, logAge50=8.75, [Fe/H]50=0.0
Hunt & Reffert (2024) MassJ=531.313, MassTot=614.896
Hu & Soubiran (2025) MA22=-0.4, MA23f=-0.1, MA23g=0.13, MZ23=-0.08, MK24=-0.13, MF24=0.07

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 3746 96.4 253.31 -45.03 0.36 -0.47 -2.58 -8.31 0.04