COIN-Gaia 26

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.73 1.0 0.75 0.75 1.0
C3	N_50	r_50
AB	96	4.7

Summary

COIN-Gaia 26 is a moderately populated, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, below the mid-plane. It is well-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)	83.771	15.721	0.69	0.27	-2.39	–
Cantat-Gaudin et al. (2020)	83.771	15.721	0.688	0.267	-2.376	–
Dias et al. (2021)	83.807	15.714	0.686	0.263	-2.403	–
Tarricq et al. (2022)	83.758	15.732	0.702	0.257	-2.4	–
He et al. (2022)	83.768	15.682	0.799	0.257	-2.38	–
Hunt & Reffert (2023)	83.773	15.707	0.699	0.263	-2.404	15.182
Cavallo et al. (2024)	83.796	15.714	0.705	–	–	–
Hunt & Reffert (2024)	83.773	15.707	0.699	0.263	-2.404	15.182
Almeida et al. (2025)	83.807	15.714	–	–	–	–
UCC	83.77	15.72	0.703	0.254	-2.395	10.424

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=1395
Cantat-Gaudin et al. (2020)	AVNN=1.32, DistPc=1442.0, AgeNN=8.23
Dias et al. (2021)	Av=1.741, Dist=1314, logage=8.196, [Fe/H]=-0.017
Tarricq et al. (2022)	Dist=1389, logAgeNN=8.27
He et al. (2022)	A0=1.75, logAge=7.85
Hunt & Reffert (2023)	AV50=1.453, diffAV50=0.479, MOD50=10.608, logAge50=8.244
Cavallo et al. (2024)	AV50=1.38, dMod50=10.8, logAge50=8.56, [Fe/H]50=0.43
Hunt & Reffert (2024)	MassJ=445.766, MassTot=445.766
Almeida et al. (2025)	AV=1.741, Dist=1314, logAge=8.196, MassRk=383.2

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
LISC 0988	100.0	83.77	15.72	0.7	0.25	-2.39	10.42	0.04
UBC 75	95.8	83.77	15.72	0.7	0.26	-2.4	10.42	0.03
CWWDL 3284	91.7	83.77	15.72	0.7	0.25	-2.39	10.42	0.0