Theia 1822

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.64 1.0 0.75 0.25 0.22
C3
N_50
r_50
BA 78 5.1
Summary

Theia 1822 is a moderately 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.

Warning: This is likely a duplicate object, which shares a large percentage of members with at least one previously reported entry.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Hunt & Reffert (2023) 252.894 -44.496 0.419 -0.605 -2.523 -48.574
Cavallo et al. (2024) 252.891 -44.496 0.419 – – –
Hunt & Reffert (2024) 252.894 -44.496 0.419 -0.605 -2.523 -48.574
           
UCC 252.881 -44.493 0.414 -0.597 -2.528 -80.971
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 1822 UCC
Theia 1822 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=2.136, diffAV50=2.638, MOD50=11.65, logAge50=7.931
Cavallo et al. (2024) AV50=2.04, dMod50=11.52, logAge50=7.99, [Fe/H]50=0.41
Hunt & Reffert (2024) MassJ=718.582, MassTot=816.003

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 1559 78.2 252.87 -44.49 0.41 -0.61 -2.54 -82.92 0.46