COIN-Gaia 23

N_50

r_50

9.9

Summary

COIN-Gaia 23 is a moderately populated, very dense object of very high C3 quality. It is located at a close distance from the Sun, near the mid-plane. It is well-studied in the literature.

Warning: This is likely a duplicate object, which shares a large percentage of members with at least one previously reported entry.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Cantat-Gaudin et al. (2019)	87.449	27.008	1.03	-0.32	-0.96	–
Cantat-Gaudin et al. (2020)	87.449	27.008	1.032	-0.318	-0.928	–
Dias et al. (2021)	87.483	27.02	1.039	-0.327	-0.954	–
Tarricq et al. (2022)	87.462	26.998	1.058	-0.32	-1.013	–
He et al. (2022)	87.467	26.968	1.055	-0.332	-1.011	–
Hunt & Reffert (2023)	87.43	27.013	1.06	-0.336	-0.997	-0.208
Cavallo et al. (2024)	87.457	27.036	1.058	–	–	–
Hunt & Reffert (2024)	87.43	27.013	1.06	-0.336	-0.997	-0.208
Alfonso et al. (2024)	87.453	27.022	1.012	-0.329	-1.007	–
Almeida et al. (2025)	87.483	27.02	–	–	–	–

UCC	87.452	27.025	1.053	-0.328	-1.006	-0.012

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=942`
Cantat-Gaudin et al. (2020)	`AVNN=0.54, DistPc=937.0, AgeNN=8.11`
Dias et al. (2021)	`Av=0.803, Dist=912, logage=7.757, [Fe/H]=-0.009`
Tarricq et al. (2022)	`Dist=918, logAgeNN=8.14`
He et al. (2022)	`A0=0.8, logAge=7.9`
Hunt & Reffert (2023)	`AV50=0.458, diffAV50=0.754, MOD50=9.784, logAge50=7.825`
Cavallo et al. (2024)	`AV50=0.64, dMod50=9.85, logAge50=7.95, [Fe/H]50=0.33`
Hunt & Reffert (2024)	`MassJ=276.752, MassTot=295.841`
Alfonso et al. (2024)	`AV=0.54014, MOD=9.85988, logAge=7.79141, Z=-0.0089`
Almeida et al. (2025)	`AV=0.803, Dist=912, logAge=7.757, MassRk=215.4`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 14154	85.5	87.46	27.02	1.06	-0.33	-1.0	-3.59	0.01
Majaess 65	84.2	87.45	27.04	1.04	-0.33	-1.01	-0.05	0.62
Alessi 135	34.2	87.41	27.04	1.05	-0.34	-1.03	-3.7	0.0