HXHWL 31

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.42 1.0 0.75 0.42 1.0
C3
N_50
r_50
AB 42 3.8
Summary

HXHWL 31 is a poorly populated, very dense object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is poorly studied in the literature.

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

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
He et al. (2021) 314.982 45.339 0.49 -2.51 -4.52 –
Hunt & Reffert (2023) 314.988 45.335 0.508 -2.488 -4.545 –
Cavallo et al. (2024) 314.998 45.336 0.507 – – –
Hunt & Reffert (2024) 314.988 45.335 0.508 -2.488 -4.545 –
Hu & Soubiran (2025) 314.998 45.336 – – – –
           
UCC 314.983 45.342 0.497 -2.484 -4.574 –
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

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Estimated members

HXHWL 31 UCC
HXHWL 31 HUNT23

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Fundamental parameters

Reference Values
He et al. (2021) AG=1.7, m-M=11.0, logAge=8.14, Z=0.02
Hunt & Reffert (2023) AV50=1.794, diffAV50=1.418, MOD50=11.381, logAge50=7.95
Cavallo et al. (2024) AV50=1.69, dMod50=11.58, logAge50=8.78, [Fe/H]50=0.33
Hunt & Reffert (2024) MassJ=253.293, MassTot=254.853
Hu & Soubiran (2025) MA22=-0.26, MA23f=-0.28, MZ23=-0.41, MK24=-0.1, MF24=-0.22

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 1119 92.9 314.99 45.34 0.5 -2.49 -4.57 – 0.01