COIN-Gaia 39

N_50

r_50

11.5

Summary

COIN-Gaia 39 is a poorly populated, moderately dense object of low C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It is well-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)	69.612	42.95	0.99	0.24	-2.46	–
Cantat-Gaudin et al. (2020)	69.612	42.95	0.991	0.238	-2.467	–
Dias et al. (2021)	69.582	42.977	0.99	0.254	-2.45	–
He et al. (2022)	69.55	43.024	0.966	0.123	-2.54	–
Hunt & Reffert (2023)	69.581	42.97	0.967	0.098	-2.544	7.962
Cavallo et al. (2024)	69.574	42.985	0.964	–	–	–
Hunt & Reffert (2024)	69.581	42.97	0.967	0.098	-2.544	7.962
Almeida et al. (2025)	69.582	42.977	–	–	–	–

UCC	69.516	42.969	0.972	0.145	-2.518	13.507

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=980`
Cantat-Gaudin et al. (2020)	`AVNN=0.63, DistPc=1010.0, AgeNN=8.46`
Dias et al. (2021)	`Av=1.324, Dist=987, logage=8.448, [Fe/H]=-0.131`
Tarricq et al. (2022)	`Dist=975, logAgeNN=8.49`
He et al. (2022)	`A0=1.3, logAge=7.9`
Hunt & Reffert (2023)	`AV50=0.89, diffAV50=0.444, MOD50=9.978, logAge50=8.437`
Cavallo et al. (2024)	`AV50=1.35, dMod50=9.97, logAge50=8.46, [Fe/H]50=-0.16`
Hunt & Reffert (2024)	`MassJ=136.941, MassTot=136.941`
Almeida et al. (2025)	`AV=1.324, Dist=987, logAge=8.448, MassRk=84.4`

Search coordinates in Bayestar19

Cluster region map

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 14372	91.9	69.52	42.98	0.97	0.14	-2.54	15.85	0.02