COIN-Gaia 3

N_50

r_50

125

6.5

Summary

COIN-Gaia 3 is a rich, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It is moderately 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
Cantat-Gaudin et al. (2019)	18.739	60.505	0.78	-2.43	-1.81	–
Cantat-Gaudin et al. (2020)	18.739	60.505	0.775	-2.431	-1.791	–
Dias et al. (2021)	18.745	60.501	0.789	-2.44	-1.793	-40.543
Tarricq et al. (2022)	18.773	60.493	0.794	-2.463	-1.866	–
Hunt & Reffert (2023)	18.727	60.507	0.794	-2.458	-1.887	-29.907
Cavallo et al. (2024)	18.765	60.491	0.796	–	–	–
Hunt & Reffert (2024)	18.727	60.507	0.794	-2.458	-1.887	-29.907
Almeida et al. (2025)	18.745	60.501	–	–	–	–

UCC	18.734	60.504	0.797	-2.461	-1.885	-34.42

Galactocentric position

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

1 2 3

Explore data in Colab

Fundamental parameters

Reference	Values
Cantat-Gaudin et al. (2019)	`d=1243`
Cantat-Gaudin et al. (2020)	`AVNN=1.69, DistPc=1209.0, AgeNN=7.69`
Dias et al. (2021)	`Av=1.915, Dist=1096, logage=7.997, [Fe/H]=0.082`
Tarricq et al. (2022)	`Dist=1177, logAgeNN=7.77`
Hunt & Reffert (2023)	`AV50=2.191, diffAV50=2.584, MOD50=10.406, logAge50=7.957`
Cavallo et al. (2024)	`AV50=1.98, dMod50=10.88, logAge50=8.15, [Fe/H]50=0.78`
Hunt & Reffert (2024)	`MassJ=510.057, MassTot=527.523`
Almeida et al. (2025)	`AV=1.915, Dist=1096, logAge=7.997, MassRk=365.2`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 38	89.6	18.73	60.5	0.8	-2.46	-1.88	-29.04	0.0