COIN-Gaia 1

(COIN 1)

N_50

r_50

153

18.3

Summary

COIN-Gaia 1 is a rich, very dense object of very high C3 quality. It is located at a close distance from the Sun, above the mid-plane. It is moderately studied in the literature.

This object shares a large percentage of members with 2 later reported entries.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Cantat-Gaudin et al. (2019)	11.933	66.769	1.55	-5.03	-3.04	–
Monteiro & Dias (2019)	11.933	66.769	–	–	–	2.687
Cantat-Gaudin et al. (2020)	11.933	66.769	1.546	-5.034	-3.048	–
Dias et al. (2021)	11.999	66.782	1.547	-5.021	-3.047	–
He et al. (2022)	11.986	66.757	1.552	-5.023	-3.137	–
Alfonso et al. (2024)	11.803	66.687	1.51	-5.006	-3.114	–
Almeida et al. (2025)	11.999	66.782	–	–	–	–

UCC	11.82	66.747	1.552	-5.04	-3.146	-14.34

Galactocentric position

How are the galactocentric plots generated?

Search coordinates in CDS | Simbad

Estimated members

1 2

Explore data in Colab

Fundamental parameters

Reference	Values
Cantat-Gaudin et al. (2019)	`d=635`
Monteiro & Dias (2019)	`E(B-V)=0.416, Dist=0.666, logAge=8.735, Z=0.036`
Cantat-Gaudin et al. (2020)	`AVNN=1.13, DistPc=658.0, AgeNN=8.26`
Dias et al. (2021)	`Av=1.621, Dist=635, logage=8.378, [Fe/H]=0.035`
Tarricq et al. (2022)	`Dist=650, logAgeNN=8.3`
He et al. (2022)	`A0=1.8, logAge=8.05`
Alfonso et al. (2024)	`AV=1.12899, MOD=9.09014, logAge=8.35031, Z=0.03493`
Almeida et al. (2025)	`AV=1.621, Dist=635, logAge=8.378, MassRk=201.0`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Steine 12	94.1	11.81	66.74	1.55	-5.04	-3.15	-13.82	0.02
UBC 34	83.7	11.8	66.75	1.55	-5.03	-3.14	-15.01	0.0