UBC 1550

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.76 1.0 0.75 0.42 1.0
C3
N_50
r_50
AB 117 4.4
Summary

UBC 1550 is a rich, 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.

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Positions

Reference RA DEC Plx pmRA pmDE Rv
Castro-Ginard et al. (2022) 249.26 -48.45 0.4 -0.66 -2.91 –
Hunt & Reffert (2023) 249.269 -48.441 0.398 -0.747 -2.877 -12.019
Cavallo et al. (2024) 249.232 -48.433 0.398 – – –
Hunt & Reffert (2024) 249.269 -48.441 0.398 -0.747 -2.877 -12.019
Hu & Soubiran (2025) 249.232 -48.433 – – – –
           
UCC 249.257 -48.45 0.392 -0.679 -2.903 0.847
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

UBC 1550 UCC
UBC 1550 HUNT23

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Fundamental parameters

Reference Values
Castro-Ginard et al. (2022) AV=2.665, Dist=2775, logAge=8.606
Hunt & Reffert (2023) AV50=3.237, diffAV50=2.375, MOD50=11.776, logAge50=8.215
Cavallo et al. (2024) AV50=2.6, dMod50=11.4, logAge50=8.94, [Fe/H]50=0.28
Hunt & Reffert (2024) MassJ=1109.33, MassTot=1192.26
Hu & Soubiran (2025) MA22=-0.66, MA23f=-0.28, MA23g=0.16, MK24=-0.08, MF24=-0.66

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Cluster region map