Theia 38

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.25 1.0 0.75 0.25 0.0
C3
N_50
r_50
AB 25 6.9
Summary

Theia 38 is a poorly populated, very dense object of high C3 quality. It is located at a very close distance from the Sun, near the mid-plane. It was recently reported in the literature.

Warning: This is very 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) 291.745 21.117 1.981 1.181 -6.101 -11.229
Cavallo et al. (2024) 290.753 22.222 1.979 – – –
Hunt & Reffert (2024) 291.745 21.117 1.981 1.181 -6.101 -11.229
           
UCC 291.815 21.143 2.02 1.228 -6.402 19.114
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

Theia 38 UCC
Theia 38 HUNT23

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Fundamental parameters

Reference Values
Hunt & Reffert (2023) AV50=0.772, diffAV50=2.05, MOD50=8.437, logAge50=6.762
Cavallo et al. (2024) AV50=1.53, dMod50=8.62, logAge50=6.61, [Fe/H]50=-0.2
Hunt & Reffert (2024) MassJ=429.793, MassTot=1129.32

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
OCSN 13 100.0 291.75 21.11 2.0 1.55 -6.64 -10.02 0.33
OC 0083 40.0 291.76 21.1 1.99 1.58 -6.74 -8.47 0.54