CWNU 2256

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.25 1.0 0.12 0.42 1.0
C3
N_50
r_50
DC 25 3.4
Summary

CWNU 2256 is a poorly populated, very dense object of very low 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
He et al. (2023) 331.31 54.239 0.44 -4.654 -4.598 –
Hunt & Reffert (2023) 331.322 54.235 0.435 -4.627 -4.587 -75.823
Cavallo et al. (2024) 331.275 54.227 0.437 – – –
Hunt & Reffert (2024) 331.322 54.235 0.435 -4.627 -4.587 -75.823
Hu & Soubiran (2025) 331.275 54.227 – – – –
           
UCC 331.298 54.248 0.444 -4.659 -4.598 -75.819
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

CWNU 2256 UCC
CWNU 2256 HUNT23

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Fundamental parameters

Reference Values
He et al. (2023) A0=2.7, m-M=12.0, logAge=8.6
Hunt & Reffert (2023) AV50=2.226, diffAV50=0.902, MOD50=11.661, logAge50=8.318
Cavallo et al. (2024) AV50=2.31, dMod50=11.75, logAge50=8.82, [Fe/H]50=0.14
Hunt & Reffert (2024) MassJ=101.475, MassTot=101.475
Hu & Soubiran (2025) MA22=-0.03, MA23f=-0.34, MZ23=-0.17, MK24=-0.17, MF24=-0.29

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Cluster region map