CWNU 1857

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.32 0.63 0.75 0.42 1.0
C3
N_50
r_50
AB 32 7.3
Summary

CWNU 1857 is a poorly populated, moderately dense object of high C3 quality. It is located at a relatively close 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) 281.927 -6.222 0.667 -1.827 1.689 -0.76
Hunt & Reffert (2023) 281.963 -6.076 0.662 -1.806 1.711 -0.685
Cavallo et al. (2024) 281.98 -6.137 0.665 – – –
Hunt & Reffert (2024) 281.963 -6.076 0.662 -1.806 1.711 -0.685
Hu & Soubiran (2025) 281.98 -6.137 – – – –
           
UCC 281.934 -6.167 0.667 -1.827 1.701 -0.764
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

CWNU 1857 UCC
CWNU 1857 HUNT23

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Fundamental parameters

Reference Values
He et al. (2023) A0=1.4, m-M=10.85, logAge=9.15
Hunt & Reffert (2023) AV50=1.494, diffAV50=1.475, MOD50=10.801, logAge50=8.806
Cavallo et al. (2024) AV50=2.04, dMod50=10.39, logAge50=8.98, [Fe/H]50=-0.58
Hunt & Reffert (2024) MassJ=310.460, MassTot=350.818
Hu & Soubiran (2025) MA22=-0.13, MA23f=-0.26, MA23g=-0.25, MZ23=-0.34, MK24=-0.21, MF24=-0.3

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Cluster region map