UPK 545

(OCSN 314)

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.83 1.0 1.0 0.82 1.0
C3
N_50
r_50
AA 305 44.9
Summary

UPK 545 is a rich, very dense object of very high C3 quality. It is located at a very close distance from the Sun, near the mid-plane. It is well-studied in the literature.

This object shares a moderate percentage of members with a later reported entry.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Sim et al. (2019) 130.838 -58.725 – -8.74 2.77 –
Cantat-Gaudin et al. (2020) 130.809 -58.629 3.036 -8.752 2.72 –
Dias et al. (2021) 130.757 -58.503 3.015 -8.787 2.71 27.758
Tarricq et al. (2022) 130.889 -58.787 3.065 -8.7 2.72 –
He et al. (2022) 130.908 -58.681 3.06 -8.753 2.789 –
Qin et al. (2023) 130.94 -58.73 3.05 -8.87 2.61 26.97
Hunt & Reffert (2023) 130.975 -58.784 2.953 -8.417 2.531 25.615
Cavallo et al. (2024) 129.895 -57.261 2.956 – – –
Hunt & Reffert (2024) 130.975 -58.784 2.953 -8.417 2.531 25.615
Alfonso et al. (2024) 130.435 -58.064 2.928 -8.587 2.72 –
Almeida et al. (2025) 130.757 -58.503 – – – –
           
UCC 130.971 -58.756 3.058 -8.784 2.788 26.814
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

UPK 545 UCC
UPK 545 HUNT23
UPK 545 CANTAT20

Explore data in Colab

Fundamental parameters

Reference Values
Sim et al. (2019) d_pc=331, log(age)=7.95
Cantat-Gaudin et al. (2020) AVNN=0.27, DistPc=346.0, AgeNN=7.9
Dias et al. (2021) Av=0.197, Dist=335, logage=8.137, [Fe/H]=0.121
Tarricq et al. (2022) Dist=342, logAgeNN=7.91
He et al. (2022) A0=0.35, logAge=7.8
Qin et al. (2023) E(B-V)=0.09, m-M=7.87, logt=7.85
Hunt & Reffert (2023) AV50=0.086, diffAV50=0.528, MOD50=7.584, logAge50=8.007
Cavallo et al. (2024) AV50=0.52, dMod50=7.7, logAge50=7.37, [Fe/H]50=-0.11
Hunt & Reffert (2024) MassJ=155.310, MassTot=430.691
Alfonso et al. (2024) AV=0.26723, MOD=7.70155, logAge=7.92939, Z=0.11959
Almeida et al. (2025) AV=0.197, Dist=335, logAge=8.137, MassRk=228.0

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 14588 30.8 130.95 -58.79 3.08 -8.81 2.84 27.2 0.0