COIN-Gaia 4

(FoF 720)

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UTI:
UCC Trust Index

C_N C_dens C_C3 C_lit C_dup
0.75 1.0 0.75 0.67 1.0
C3
N_50
r_50
AB 106 4.7
Summary

COIN-Gaia 4 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is moderately studied in the literature.

This object shares a large percentage of members with 3 later reported entries.

Search object in SciX | Simbad

Positions

Reference RA DEC Plx pmRA pmDE Rv
Cantat-Gaudin et al. (2019) 26.129 58.756 0.45 -0.95 -1.04 –
Liu & Pang (2019) 26.241 58.716 0.45 -0.946 -1.051 –
Cantat-Gaudin et al. (2020) 26.129 58.756 0.45 -0.948 -1.0 –
Dias et al. (2021) 26.108 58.738 0.458 -0.948 -1.028 –
Hunt & Reffert (2023) 26.147 58.751 0.455 -0.951 -1.115 -31.507
Cavallo et al. (2024) 26.111 58.744 0.463 – – –
Hunt & Reffert (2024) 26.147 58.751 0.455 -0.951 -1.115 -31.507
Almeida et al. (2025) 26.108 58.738 – – – –
           
UCC 26.13 58.747 0.466 -0.969 -1.101 -56.305
Galactocentric position Galactocentric position diagram

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

COIN-Gaia 4 UCC
COIN-Gaia 4 HUNT23
COIN-Gaia 4 CANTAT20

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Fundamental parameters

Reference Values
Cantat-Gaudin et al. (2019) d=2086
Liu & Pang (2019) Age=0.355, Z=0.25
Cantat-Gaudin et al. (2020) AVNN=1.65, DistPc=2205.0, AgeNN=7.73
Dias et al. (2021) Av=1.767, Dist=1853, logage=8.238, [Fe/H]=-0.104
Hunt & Reffert (2023) AV50=1.518, diffAV50=1.89, MOD50=11.447, logAge50=8.275
Cavallo et al. (2024) AV50=1.87, dMod50=11.95, logAge50=7.92, [Fe/H]50=0.57
Hunt & Reffert (2024) MassJ=718.576, MassTot=779.386
Almeida et al. (2025) AV=1.767, Dist=1853, logAge=8.238, MassRk=254.4

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 42 96.2 26.13 58.75 0.46 -0.96 -1.1 -56.31 0.03
CWWDL 594 71.7 26.13 58.75 0.48 -0.97 -1.1 -33.43 0.02
OC 0239 34.9 26.13 58.76 0.49 -0.97 -1.1 -33.43 0.0